./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-67.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire --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 1f9a504d6402f93695923b0e3cd9216c7d2328a17d297cd361d1cab7f6f9f2af --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:36:40,282 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:36:40,414 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:36:40,423 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:36:40,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:36:40,466 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:36:40,467 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:36:40,467 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:36:40,469 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:36:40,474 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:36:40,474 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:36:40,476 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:36:40,476 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:36:40,478 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:36:40,479 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:36:40,479 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:36:40,480 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:36:40,480 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:36:40,481 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:36:40,481 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:36:40,482 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:36:40,482 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:36:40,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:36:40,484 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:36:40,484 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:36:40,485 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:36:40,485 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:36:40,486 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:36:40,486 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:36:40,487 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:36:40,488 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:36:40,489 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:36:40,489 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:36:40,489 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:36:40,489 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:36:40,490 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:36:40,490 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:36:40,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:40,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:36:40,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:36:40,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:36:40,492 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:36:40,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:36:40,492 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:36:40,493 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:36:40,493 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:36:40,493 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:36:40,494 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_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f9a504d6402f93695923b0e3cd9216c7d2328a17d297cd361d1cab7f6f9f2af [2023-11-23 20:36:40,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:36:40,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:36:40,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:36:40,802 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:36:40,802 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:36:40,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-67.i [2023-11-23 20:36:43,929 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:36:44,169 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:36:44,170 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-67.i [2023-11-23 20:36:44,181 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/data/920d2a0d7/caf11b6f09244a82aa2d28accae0a550/FLAGe2fac6791 [2023-11-23 20:36:44,202 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/data/920d2a0d7/caf11b6f09244a82aa2d28accae0a550 [2023-11-23 20:36:44,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:36:44,211 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:36:44,217 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:44,217 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:36:44,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:36:44,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:44" (1/1) ... [2023-11-23 20:36:44,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40150105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:44, skipping insertion in model container [2023-11-23 20:36:44,226 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:44" (1/1) ... [2023-11-23 20:36:44,279 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:36:44,465 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_98893b2d-599b-4f7d-b2a2-d43a04f3f911/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-67.i[919,932] [2023-11-23 20:36:44,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:44,566 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:36:44,592 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_98893b2d-599b-4f7d-b2a2-d43a04f3f911/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-67.i[919,932] [2023-11-23 20:36:44,691 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:44,725 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:36:44,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:44 WrapperNode [2023-11-23 20:36:44,726 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:44,727 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:44,727 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:36:44,727 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:36:44,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:44" (1/1) ... [2023-11-23 20:36:44,758 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:44" (1/1) ... [2023-11-23 20:36:44,821 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 268 [2023-11-23 20:36:44,821 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:44,822 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:36:44,822 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:36:44,823 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:36:44,833 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:44" (1/1) ... [2023-11-23 20:36:44,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:44" (1/1) ... [2023-11-23 20:36:44,838 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:44" (1/1) ... [2023-11-23 20:36:44,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:44" (1/1) ... [2023-11-23 20:36:44,873 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:44" (1/1) ... [2023-11-23 20:36:44,892 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:44" (1/1) ... [2023-11-23 20:36:44,896 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:44" (1/1) ... [2023-11-23 20:36:44,899 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:44" (1/1) ... [2023-11-23 20:36:44,921 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:36:44,922 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:36:44,922 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:36:44,922 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:36:44,923 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:44" (1/1) ... [2023-11-23 20:36:44,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:44,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:36:44,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:36:44,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:36:45,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:36:45,017 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:36:45,018 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:36:45,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:36:45,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:36:45,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:36:45,180 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:36:45,188 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:36:45,790 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:36:46,136 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:36:46,136 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:36:46,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:46 BoogieIcfgContainer [2023-11-23 20:36:46,138 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:36:46,141 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:36:46,141 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:36:46,145 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:36:46,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:36:44" (1/3) ... [2023-11-23 20:36:46,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a15219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:46, skipping insertion in model container [2023-11-23 20:36:46,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:44" (2/3) ... [2023-11-23 20:36:46,147 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a15219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:46, skipping insertion in model container [2023-11-23 20:36:46,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:46" (3/3) ... [2023-11-23 20:36:46,149 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-67.i [2023-11-23 20:36:46,171 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:36:46,171 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:36:46,244 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:36:46,253 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;@52b5915a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:36:46,255 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:36:46,260 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 27 states have internal predecessors, (29), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-23 20:36:46,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-23 20:36:46,280 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:46,281 INFO L195 NwaCegarLoop]: trace histogram [34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:36:46,282 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:46,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:46,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1723706813, now seen corresponding path program 1 times [2023-11-23 20:36:46,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:36:46,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643774350] [2023-11-23 20:36:46,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:46,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:36:46,589 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:36:46,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [897816858] [2023-11-23 20:36:46,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:46,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:36:46,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:36:46,596 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:36:46,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 20:36:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:36:47,075 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:36:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:36:47,519 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:36:47,522 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:36:47,523 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:36:47,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:36:47,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 20:36:47,738 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 20:36:47,742 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:36:47,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:36:47 BoogieIcfgContainer [2023-11-23 20:36:47,890 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:36:47,891 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:36:47,891 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:36:47,891 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:36:47,892 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:46" (3/4) ... [2023-11-23 20:36:47,894 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:36:47,895 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:36:47,896 INFO L158 Benchmark]: Toolchain (without parser) took 3684.98ms. Allocated memory is still 203.4MB. Free memory was 163.3MB in the beginning and 136.1MB in the end (delta: 27.2MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2023-11-23 20:36:47,897 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 134.2MB. Free memory was 80.7MB in the beginning and 80.6MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:36:47,897 INFO L158 Benchmark]: CACSL2BoogieTranslator took 509.41ms. Allocated memory is still 203.4MB. Free memory was 163.3MB in the beginning and 147.2MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:36:47,898 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.43ms. Allocated memory is still 203.4MB. Free memory was 147.2MB in the beginning and 142.6MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:36:47,899 INFO L158 Benchmark]: Boogie Preprocessor took 98.81ms. Allocated memory is still 203.4MB. Free memory was 142.6MB in the beginning and 140.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:36:47,899 INFO L158 Benchmark]: RCFGBuilder took 1216.63ms. Allocated memory is still 203.4MB. Free memory was 140.2MB in the beginning and 113.6MB in the end (delta: 26.6MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2023-11-23 20:36:47,900 INFO L158 Benchmark]: TraceAbstraction took 1749.04ms. Allocated memory is still 203.4MB. Free memory was 112.5MB in the beginning and 136.1MB in the end (delta: -23.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:36:47,900 INFO L158 Benchmark]: Witness Printer took 4.69ms. Allocated memory is still 203.4MB. Free memory is still 136.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:36:47,904 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 134.2MB. Free memory was 80.7MB in the beginning and 80.6MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 509.41ms. Allocated memory is still 203.4MB. Free memory was 163.3MB in the beginning and 147.2MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.43ms. Allocated memory is still 203.4MB. Free memory was 147.2MB in the beginning and 142.6MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.81ms. Allocated memory is still 203.4MB. Free memory was 142.6MB in the beginning and 140.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1216.63ms. Allocated memory is still 203.4MB. Free memory was 140.2MB in the beginning and 113.6MB in the end (delta: 26.6MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1749.04ms. Allocated memory is still 203.4MB. Free memory was 112.5MB in the beginning and 136.1MB in the end (delta: -23.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.69ms. Allocated memory is still 203.4MB. Free memory is still 136.1MB. 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 someBinaryArithmeticDOUBLEoperation at line 122, overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of bitwiseOr at line 65, overapproximation of bitwiseAnd at line 114, overapproximation of someBinaryDOUBLEComparisonOperation at line 85, overapproximation of someUnaryFLOAToperation at line 126, overapproximation of someBinaryArithmeticFLOAToperation at line 144. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 9.75; [L23] unsigned char var_1_3 = 1; [L24] signed long int var_1_4 = 25; [L25] unsigned char var_1_6 = 1; [L26] float var_1_7 = 7.5; [L27] signed long int var_1_8 = -1000; [L28] float var_1_9 = 9.25; [L29] float var_1_10 = 64.5; [L30] float var_1_11 = 16.25; [L31] signed char var_1_12 = 2; [L32] signed char var_1_13 = 8; [L33] signed char var_1_14 = 0; [L34] float var_1_15 = 0.6; [L35] signed char var_1_16 = 32; [L36] unsigned short int var_1_17 = 2; [L37] unsigned short int var_1_19 = 63241; [L38] unsigned short int var_1_20 = 58697; [L39] unsigned short int var_1_21 = 25516; [L40] unsigned long int var_1_22 = 3301682525; [L41] double var_1_23 = 128.9; [L42] double var_1_27 = 7.75; [L43] double var_1_28 = 200.6; [L44] unsigned long int var_1_29 = 100000; [L45] unsigned long int var_1_31 = 4154314939; [L46] unsigned char var_1_33 = 0; [L47] unsigned char var_1_34 = 0; [L48] float var_1_35 = 49.875; [L49] signed short int var_1_36 = -32; [L50] unsigned long int var_1_38 = 128; [L51] double var_1_39 = 50.925; [L52] double var_1_40 = 128.6; [L53] unsigned long int var_1_42 = 4282912011; [L54] signed long int var_1_44 = 5; [L55] signed short int var_1_45 = 500; [L56] double last_1_var_1_1 = 9.75; [L57] unsigned char last_1_var_1_3 = 1; [L58] float last_1_var_1_7 = 7.5; [L59] signed char last_1_var_1_12 = 2; [L60] float last_1_var_1_15 = 0.6; [L61] unsigned short int last_1_var_1_17 = 2; [L217] isInitial = 1 [L218] FCALL initially() [L219] COND TRUE 1 [L220] CALL updateLastVariables() [L205] last_1_var_1_1 = var_1_1 [L206] last_1_var_1_3 = var_1_3 [L207] last_1_var_1_7 = var_1_7 [L208] last_1_var_1_12 = var_1_12 [L209] last_1_var_1_15 = var_1_15 [L210] last_1_var_1_17 = var_1_17 [L220] RET updateLastVariables() [L221] CALL updateVariables() [L149] var_1_4 = __VERIFIER_nondet_long() [L150] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L151] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L152] var_1_6 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_6 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_6 >= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L154] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L155] var_1_8 = __VERIFIER_nondet_long() [L156] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5, var_1_9=37/4] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5, var_1_9=37/4] [L157] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5, var_1_9=37/4] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5, var_1_9=37/4] [L158] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5, var_1_9=37/4] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5, var_1_9=37/4] [L159] var_1_9 = __VERIFIER_nondet_float() [L160] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L161] var_1_10 = __VERIFIER_nondet_float() [L162] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L163] var_1_11 = __VERIFIER_nondet_float() [L164] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L165] var_1_13 = __VERIFIER_nondet_char() [L166] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L167] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L168] var_1_14 = __VERIFIER_nondet_char() [L169] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L170] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L171] var_1_19 = __VERIFIER_nondet_ushort() [L172] CALL assume_abort_if_not(var_1_19 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_19 >= 32767) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L173] CALL assume_abort_if_not(var_1_19 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_19 <= 65534) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L174] var_1_20 = __VERIFIER_nondet_ushort() [L175] CALL assume_abort_if_not(var_1_20 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_20 >= 32767) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L176] CALL assume_abort_if_not(var_1_20 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_20 <= 65534) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=25516, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L177] var_1_21 = __VERIFIER_nondet_ushort() [L178] CALL assume_abort_if_not(var_1_21 >= 24575) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_21 >= 24575) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L179] CALL assume_abort_if_not(var_1_21 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_21 <= 32767) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=3301682525, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L180] var_1_22 = __VERIFIER_nondet_ulong() [L181] CALL assume_abort_if_not(var_1_22 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_22 >= 2147483647) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L182] CALL assume_abort_if_not(var_1_22 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_22 <= 4294967295) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_23=1289/10, var_1_27=31/4, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L183] var_1_27 = __VERIFIER_nondet_double() [L184] CALL assume_abort_if_not((var_1_27 >= -922337.2036854765600e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854765600e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_23=1289/10, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not((var_1_27 >= -922337.2036854765600e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854765600e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_23=1289/10, var_1_28=1003/5, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L185] var_1_28 = __VERIFIER_nondet_double() [L186] CALL assume_abort_if_not((var_1_28 >= -922337.2036854765600e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_23=1289/10, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not((var_1_28 >= -922337.2036854765600e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_23=1289/10, var_1_29=100000, var_1_31=4154314939, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L187] var_1_31 = __VERIFIER_nondet_ulong() [L188] CALL assume_abort_if_not(var_1_31 >= 3221225470) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_23=1289/10, var_1_29=100000, var_1_31=3221225470, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_31 >= 3221225470) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_23=1289/10, var_1_29=100000, var_1_31=3221225470, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L189] CALL assume_abort_if_not(var_1_31 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_23=1289/10, var_1_29=100000, var_1_31=3221225470, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_31 <= 4294967294) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_23=1289/10, var_1_29=100000, var_1_31=3221225470, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L190] var_1_34 = __VERIFIER_nondet_uchar() [L191] CALL assume_abort_if_not(var_1_34 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_23=1289/10, var_1_29=100000, var_1_31=3221225470, var_1_33=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L20] COND FALSE !(!cond) [L191] RET assume_abort_if_not(var_1_34 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_23=1289/10, var_1_29=100000, var_1_31=3221225470, var_1_33=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L192] CALL assume_abort_if_not(var_1_34 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_23=1289/10, var_1_29=100000, var_1_31=3221225470, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_34 <= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_23=1289/10, var_1_29=100000, var_1_31=3221225470, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_39=2037/40, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L193] var_1_39 = __VERIFIER_nondet_double() [L194] CALL assume_abort_if_not((var_1_39 >= 0.0F && 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_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_23=1289/10, var_1_29=100000, var_1_31=3221225470, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L20] COND FALSE !(!cond) [L194] RET assume_abort_if_not((var_1_39 >= 0.0F && 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_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_23=1289/10, var_1_29=100000, var_1_31=3221225470, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_3=1, var_1_40=643/5, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L195] var_1_40 = __VERIFIER_nondet_double() [L196] 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_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_23=1289/10, var_1_29=100000, var_1_31=3221225470, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_3=1, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L20] COND FALSE !(!cond) [L196] 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_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_23=1289/10, var_1_29=100000, var_1_31=3221225470, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_3=1, var_1_42=4282912011, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L197] var_1_42 = __VERIFIER_nondet_ulong() [L198] CALL assume_abort_if_not(var_1_42 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_23=1289/10, var_1_29=100000, var_1_31=3221225470, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_3=1, var_1_42=4294967294, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L20] COND FALSE !(!cond) [L198] RET assume_abort_if_not(var_1_42 >= 2147483647) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_23=1289/10, var_1_29=100000, var_1_31=3221225470, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_3=1, var_1_42=4294967294, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L199] CALL assume_abort_if_not(var_1_42 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_23=1289/10, var_1_29=100000, var_1_31=3221225470, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_3=1, var_1_42=4294967294, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L20] COND FALSE !(!cond) [L199] RET assume_abort_if_not(var_1_42 <= 4294967294) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_23=1289/10, var_1_29=100000, var_1_31=3221225470, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_3=1, var_1_42=4294967294, var_1_44=5, var_1_45=500, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L200] var_1_45 = __VERIFIER_nondet_short() [L201] CALL assume_abort_if_not(var_1_45 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_23=1289/10, var_1_29=100000, var_1_31=3221225470, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_3=1, var_1_42=4294967294, var_1_44=5, var_1_45=-1, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L20] COND FALSE !(!cond) [L201] RET assume_abort_if_not(var_1_45 >= -1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_23=1289/10, var_1_29=100000, var_1_31=3221225470, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_3=1, var_1_42=4294967294, var_1_44=5, var_1_45=-1, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L202] CALL assume_abort_if_not(var_1_45 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_23=1289/10, var_1_29=100000, var_1_31=3221225470, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_3=1, var_1_42=4294967294, var_1_44=5, var_1_45=-1, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L20] COND FALSE !(!cond) [L202] RET assume_abort_if_not(var_1_45 <= 32767) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=2, var_1_13=-1, var_1_14=26, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=32767, var_1_1=39/4, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_23=1289/10, var_1_29=100000, var_1_31=3221225470, var_1_33=0, var_1_34=0, var_1_35=399/8, var_1_36=-32, var_1_38=128, var_1_3=1, var_1_42=4294967294, var_1_44=5, var_1_45=-1, var_1_4=6, var_1_6=1, var_1_7=15/2, var_1_8=5] [L221] RET updateVariables() [L222] CALL step() [L65] EXPR ((((var_1_13) > (last_1_var_1_17)) ? (var_1_13) : (last_1_var_1_17))) | last_1_var_1_12 [L65] signed long int stepLocal_2 = ((((var_1_13) > (last_1_var_1_17)) ? (var_1_13) : (last_1_var_1_17))) | last_1_var_1_12; [L66] COND FALSE !(last_1_var_1_7 > (var_1_11 + last_1_var_1_15)) [L75] unsigned long int stepLocal_3 = var_1_22 - var_1_20; [L76] COND TRUE \read(last_1_var_1_3) [L77] COND TRUE \read(var_1_6) [L78] COND TRUE \read(last_1_var_1_3) [L79] var_1_17 = var_1_14 [L93] var_1_33 = var_1_34 [L94] COND TRUE var_1_3 || var_1_3 [L95] COND FALSE !(var_1_12 <= (var_1_45 - 64)) [L105] var_1_3 = (((5 - last_1_var_1_17) <= (last_1_var_1_17 + last_1_var_1_17)) || var_1_6) [L106] COND TRUE var_1_17 < (var_1_17 + var_1_16) [L107] COND TRUE 5 <= var_1_17 [L108] var_1_23 = 4.7 [L113] COND TRUE \read(var_1_3) [L114] EXPR (-10 + var_1_16) & var_1_17 [L114] COND TRUE ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) > ((-10 + var_1_16) & var_1_17) [L115] var_1_29 = (((((var_1_31 - 64u) < 0 ) ? -(var_1_31 - 64u) : (var_1_31 - 64u))) - var_1_17) [L120] var_1_36 = ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) [L121] COND TRUE 50 != var_1_16 [L122] var_1_1 = (1.00000000000025E12 - 24.25) [L124] var_1_35 = var_1_28 [L125] var_1_12 = (var_1_13 - var_1_14) [L126] var_1_15 = ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))) [L127] COND FALSE !(var_1_15 > (var_1_39 - var_1_40)) [L136] var_1_38 = (((((var_1_31) > (var_1_42)) ? (var_1_31) : (var_1_42))) - ((((1795211791u - var_1_17) < 0 ) ? -(1795211791u - var_1_17) : (1795211791u - var_1_17)))) [L138] unsigned char stepLocal_1 = var_1_3; [L139] signed long int stepLocal_0 = (var_1_16 + 100) / var_1_8; [L140] COND TRUE stepLocal_0 >= var_1_17 [L141] COND TRUE stepLocal_1 || (var_1_17 > (var_1_17 * var_1_8)) [L142] var_1_7 = var_1_9 [L222] RET step() [L223] CALL, EXPR property() [L213] EXPR ((((((50 != var_1_16) ? (var_1_1 == ((double) (1.00000000000025E12 - 24.25))) : 1) && (var_1_3 == ((unsigned char) (((5 - last_1_var_1_17) <= (last_1_var_1_17 + last_1_var_1_17)) || var_1_6)))) && ((((var_1_16 + 100) / var_1_8) >= var_1_17) ? ((var_1_3 || (var_1_17 > (var_1_17 * var_1_8))) ? (var_1_7 == ((float) var_1_9)) : (var_1_7 == ((float) (var_1_10 + var_1_11)))) : 1)) && (var_1_12 == ((signed char) (var_1_13 - var_1_14)))) && (var_1_15 == ((float) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))))) && ((last_1_var_1_7 > (var_1_11 + last_1_var_1_15)) ? ((var_1_14 < (((((var_1_13) > (last_1_var_1_17)) ? (var_1_13) : (last_1_var_1_17))) | last_1_var_1_12)) ? (last_1_var_1_3 ? (var_1_16 == ((signed char) -2)) : 1) : (var_1_16 == ((signed char) var_1_13))) : 1) [L213-L214] return (((((((50 != var_1_16) ? (var_1_1 == ((double) (1.00000000000025E12 - 24.25))) : 1) && (var_1_3 == ((unsigned char) (((5 - last_1_var_1_17) <= (last_1_var_1_17 + last_1_var_1_17)) || var_1_6)))) && ((((var_1_16 + 100) / var_1_8) >= var_1_17) ? ((var_1_3 || (var_1_17 > (var_1_17 * var_1_8))) ? (var_1_7 == ((float) var_1_9)) : (var_1_7 == ((float) (var_1_10 + var_1_11)))) : 1)) && (var_1_12 == ((signed char) (var_1_13 - var_1_14)))) && (var_1_15 == ((float) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))))) && ((last_1_var_1_7 > (var_1_11 + last_1_var_1_15)) ? ((var_1_14 < (((((var_1_13) > (last_1_var_1_17)) ? (var_1_13) : (last_1_var_1_17))) | last_1_var_1_12)) ? (last_1_var_1_3 ? (var_1_16 == ((signed char) -2)) : 1) : (var_1_16 == ((signed char) var_1_13))) : 1)) && (last_1_var_1_3 ? (var_1_6 ? (last_1_var_1_3 ? (var_1_17 == ((unsigned short int) var_1_14)) : (var_1_17 == ((unsigned short int) (((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20))) - ((var_1_21 - 256) - 256))))) : (((var_1_22 - var_1_20) > (var_1_4 / var_1_8)) ? ((last_1_var_1_1 >= var_1_10) ? (var_1_17 == ((unsigned short int) var_1_14)) : 1) : 1)) : (var_1_17 == ((unsigned short int) var_1_21))) ; [L223] RET, EXPR property() [L223] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=-27, var_1_13=-1, var_1_14=26, var_1_15=3, var_1_16=32, var_1_17=26, var_1_19=32767, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_23=47/10, var_1_27=0, var_1_28=2, var_1_29=3221225380, var_1_31=3221225470, var_1_33=0, var_1_34=0, var_1_35=2, var_1_36=32, var_1_38=2499755529, var_1_3=1, var_1_42=4294967294, var_1_44=5, var_1_45=-1, var_1_4=6, var_1_6=1, var_1_7=4, var_1_8=5, var_1_9=4] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=2, last_1_var_1_15=3/5, last_1_var_1_17=2, last_1_var_1_1=39/4, last_1_var_1_3=1, last_1_var_1_7=15/2, var_1_12=-27, var_1_13=-1, var_1_14=26, var_1_15=3, var_1_16=32, var_1_17=26, var_1_19=32767, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=2147483647, var_1_23=47/10, var_1_27=0, var_1_28=2, var_1_29=3221225380, var_1_31=3221225470, var_1_33=0, var_1_34=0, var_1_35=2, var_1_36=32, var_1_38=2499755529, var_1_3=1, var_1_42=4294967294, var_1_44=5, var_1_45=-1, var_1_4=6, var_1_6=1, var_1_7=4, var_1_8=5, var_1_9=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 34, 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=63occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 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 [2023-11-23 20:36:47,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/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_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire --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 1f9a504d6402f93695923b0e3cd9216c7d2328a17d297cd361d1cab7f6f9f2af --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:36:50,816 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:36:50,968 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 20:36:50,978 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:36:50,979 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:36:51,030 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:36:51,032 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:36:51,033 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:36:51,034 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:36:51,040 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:36:51,040 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:36:51,041 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:36:51,041 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:36:51,043 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:36:51,044 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:36:51,044 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:36:51,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:36:51,046 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:36:51,046 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:36:51,048 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:36:51,048 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:36:51,049 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:36:51,049 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:36:51,050 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:36:51,050 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:36:51,051 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:36:51,051 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:36:51,052 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:36:51,052 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:36:51,053 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:36:51,054 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:36:51,054 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:36:51,055 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:36:51,055 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:36:51,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:51,056 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:36:51,056 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:36:51,057 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:36:51,057 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:36:51,058 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:36:51,058 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:36:51,059 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:36:51,059 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:36:51,060 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:36:51,060 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_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f9a504d6402f93695923b0e3cd9216c7d2328a17d297cd361d1cab7f6f9f2af [2023-11-23 20:36:51,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:36:51,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:36:51,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:36:51,544 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:36:51,545 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:36:51,546 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-67.i [2023-11-23 20:36:54,670 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:36:54,971 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:36:54,972 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-67.i [2023-11-23 20:36:54,982 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/data/464a6d3ef/fcb9dedfb101455eb254a52d0e29496d/FLAG8db1f7219 [2023-11-23 20:36:54,996 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/data/464a6d3ef/fcb9dedfb101455eb254a52d0e29496d [2023-11-23 20:36:54,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:36:55,000 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:36:55,002 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:55,002 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:36:55,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:36:55,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:54" (1/1) ... [2023-11-23 20:36:55,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@628a5466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:55, skipping insertion in model container [2023-11-23 20:36:55,010 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:54" (1/1) ... [2023-11-23 20:36:55,046 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:36:55,218 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_98893b2d-599b-4f7d-b2a2-d43a04f3f911/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-67.i[919,932] [2023-11-23 20:36:55,341 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:55,365 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:36:55,385 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_98893b2d-599b-4f7d-b2a2-d43a04f3f911/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-67.i[919,932] [2023-11-23 20:36:55,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:55,493 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:36:55,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:55 WrapperNode [2023-11-23 20:36:55,494 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:55,498 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:55,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:36:55,499 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:36:55,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:55" (1/1) ... [2023-11-23 20:36:55,538 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:55" (1/1) ... [2023-11-23 20:36:55,623 INFO L138 Inliner]: procedures = 27, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 224 [2023-11-23 20:36:55,633 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:55,634 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:36:55,634 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:36:55,634 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:36:55,645 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:55" (1/1) ... [2023-11-23 20:36:55,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:55" (1/1) ... [2023-11-23 20:36:55,655 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:55" (1/1) ... [2023-11-23 20:36:55,658 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:55" (1/1) ... [2023-11-23 20:36:55,676 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:55" (1/1) ... [2023-11-23 20:36:55,694 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:55" (1/1) ... [2023-11-23 20:36:55,706 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:55" (1/1) ... [2023-11-23 20:36:55,709 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:55" (1/1) ... [2023-11-23 20:36:55,714 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:36:55,723 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:36:55,723 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:36:55,723 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:36:55,724 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:55" (1/1) ... [2023-11-23 20:36:55,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:55,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:36:55,765 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:36:55,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:36:55,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:36:55,808 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:36:55,809 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:36:55,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:36:55,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:36:55,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:36:55,907 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:36:55,909 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:36:58,928 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:36:59,007 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:36:59,019 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:36:59,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:59 BoogieIcfgContainer [2023-11-23 20:36:59,020 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:36:59,022 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:36:59,022 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:36:59,026 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:36:59,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:36:54" (1/3) ... [2023-11-23 20:36:59,028 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8c79376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:59, skipping insertion in model container [2023-11-23 20:36:59,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:55" (2/3) ... [2023-11-23 20:36:59,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8c79376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:59, skipping insertion in model container [2023-11-23 20:36:59,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:59" (3/3) ... [2023-11-23 20:36:59,033 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-67.i [2023-11-23 20:36:59,054 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:36:59,054 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:36:59,125 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:36:59,131 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;@1ba7236d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:36:59,131 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:36:59,135 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 57 states have (on average 1.456140350877193) internal successors, (83), 58 states have internal predecessors, (83), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-23 20:36:59,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-23 20:36:59,158 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:59,159 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:36:59,159 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:59,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:59,166 INFO L85 PathProgramCache]: Analyzing trace with hash 5809054, now seen corresponding path program 1 times [2023-11-23 20:36:59,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:36:59,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1015603685] [2023-11-23 20:36:59,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:59,185 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 [2023-11-23 20:36:59,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:36:59,188 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:36:59,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:36:59,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:59,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:36:59,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:37:00,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1034 proven. 0 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2023-11-23 20:37:00,017 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:37:00,018 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:37:00,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1015603685] [2023-11-23 20:37:00,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1015603685] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:00,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:37:00,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:37:00,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260507397] [2023-11-23 20:37:00,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:00,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:37:00,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:37:00,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:37:00,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:37:00,062 INFO L87 Difference]: Start difference. First operand has 94 states, 57 states have (on average 1.456140350877193) internal successors, (83), 58 states have internal predecessors, (83), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-23 20:37:01,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:37:01,087 INFO L93 Difference]: Finished difference Result 184 states and 332 transitions. [2023-11-23 20:37:01,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:37:01,107 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 209 [2023-11-23 20:37:01,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:37:01,116 INFO L225 Difference]: With dead ends: 184 [2023-11-23 20:37:01,116 INFO L226 Difference]: Without dead ends: 91 [2023-11-23 20:37:01,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:37:01,125 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:37:01,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 140 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-23 20:37:01,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-23 20:37:01,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-11-23 20:37:01,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 55 states have (on average 1.3636363636363635) internal successors, (75), 55 states have internal predecessors, (75), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-23 20:37:01,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 143 transitions. [2023-11-23 20:37:01,190 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 143 transitions. Word has length 209 [2023-11-23 20:37:01,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:37:01,191 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 143 transitions. [2023-11-23 20:37:01,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-23 20:37:01,200 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 143 transitions. [2023-11-23 20:37:01,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-23 20:37:01,206 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:01,206 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:01,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:37:01,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:37:01,409 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:37:01,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:01,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1529100654, now seen corresponding path program 1 times [2023-11-23 20:37:01,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:37:01,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1798875914] [2023-11-23 20:37:01,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:01,412 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 [2023-11-23 20:37:01,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:37:01,413 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:37:01,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:37:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:01,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:37:01,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:37:03,254 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-23 20:37:03,254 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:37:03,254 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:37:03,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1798875914] [2023-11-23 20:37:03,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1798875914] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:03,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:37:03,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:37:03,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964448276] [2023-11-23 20:37:03,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:03,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 20:37:03,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:37:03,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 20:37:03,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 20:37:03,262 INFO L87 Difference]: Start difference. First operand 91 states and 143 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-23 20:37:05,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:37:05,233 INFO L93 Difference]: Finished difference Result 272 states and 428 transitions. [2023-11-23 20:37:05,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 20:37:05,253 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 209 [2023-11-23 20:37:05,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:37:05,259 INFO L225 Difference]: With dead ends: 272 [2023-11-23 20:37:05,259 INFO L226 Difference]: Without dead ends: 182 [2023-11-23 20:37:05,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:37:05,262 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 88 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-23 20:37:05,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 404 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-23 20:37:05,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2023-11-23 20:37:05,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 161. [2023-11-23 20:37:05,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 90 states have (on average 1.2777777777777777) internal successors, (115), 90 states have internal predecessors, (115), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2023-11-23 20:37:05,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 251 transitions. [2023-11-23 20:37:05,313 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 251 transitions. Word has length 209 [2023-11-23 20:37:05,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:37:05,315 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 251 transitions. [2023-11-23 20:37:05,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-23 20:37:05,315 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 251 transitions. [2023-11-23 20:37:05,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-11-23 20:37:05,320 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:05,321 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:05,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:37:05,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:37:05,540 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:37:05,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:05,540 INFO L85 PathProgramCache]: Analyzing trace with hash -812918107, now seen corresponding path program 1 times [2023-11-23 20:37:05,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:37:05,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [170747652] [2023-11-23 20:37:05,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:05,542 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 [2023-11-23 20:37:05,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:37:05,545 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:37:05,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:37:06,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:06,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:37:06,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:37:07,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2023-11-23 20:37:07,012 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:37:07,552 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 6 proven. 93 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2023-11-23 20:37:07,552 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:37:07,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [170747652] [2023-11-23 20:37:07,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [170747652] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 20:37:07,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [21394676] [2023-11-23 20:37:07,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:07,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:37:07,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 20:37:07,557 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:37:07,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-23 20:37:09,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:09,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:37:09,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:37:11,833 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-23 20:37:11,833 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:37:11,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [21394676] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:11,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 20:37:11,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5, 5] total 8 [2023-11-23 20:37:11,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170453567] [2023-11-23 20:37:11,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:11,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:37:11,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:37:11,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:37:11,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-23 20:37:11,838 INFO L87 Difference]: Start difference. First operand 161 states and 251 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-23 20:37:14,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:37:14,718 INFO L93 Difference]: Finished difference Result 349 states and 546 transitions. [2023-11-23 20:37:14,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:37:14,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 212 [2023-11-23 20:37:14,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:37:14,725 INFO L225 Difference]: With dead ends: 349 [2023-11-23 20:37:14,725 INFO L226 Difference]: Without dead ends: 259 [2023-11-23 20:37:14,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 633 GetRequests, 626 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-23 20:37:14,727 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 31 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-23 20:37:14,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 264 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-23 20:37:14,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2023-11-23 20:37:14,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 255. [2023-11-23 20:37:14,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 149 states have (on average 1.2885906040268456) internal successors, (192), 149 states have internal predecessors, (192), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2023-11-23 20:37:14,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 396 transitions. [2023-11-23 20:37:14,788 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 396 transitions. Word has length 212 [2023-11-23 20:37:14,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:37:14,790 INFO L495 AbstractCegarLoop]: Abstraction has 255 states and 396 transitions. [2023-11-23 20:37:14,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-23 20:37:14,790 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 396 transitions. [2023-11-23 20:37:14,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-11-23 20:37:14,795 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:14,795 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:14,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:37:15,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-23 20:37:15,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 20:37:15,218 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:37:15,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:15,219 INFO L85 PathProgramCache]: Analyzing trace with hash 824118445, now seen corresponding path program 1 times [2023-11-23 20:37:15,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:37:15,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1973822693] [2023-11-23 20:37:15,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:15,221 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 [2023-11-23 20:37:15,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:37:15,227 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:37:15,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-23 20:37:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:15,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:37:15,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:37:16,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-23 20:37:16,828 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:37:16,829 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:37:16,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1973822693] [2023-11-23 20:37:16,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1973822693] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:16,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:37:16,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 20:37:16,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979194833] [2023-11-23 20:37:16,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:16,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 20:37:16,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:37:16,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 20:37:16,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:37:16,832 INFO L87 Difference]: Start difference. First operand 255 states and 396 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-23 20:37:20,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:21,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:37:21,003 INFO L93 Difference]: Finished difference Result 619 states and 967 transitions. [2023-11-23 20:37:21,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 20:37:21,004 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 212 [2023-11-23 20:37:21,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:37:21,010 INFO L225 Difference]: With dead ends: 619 [2023-11-23 20:37:21,010 INFO L226 Difference]: Without dead ends: 442 [2023-11-23 20:37:21,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-23 20:37:21,013 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 303 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:37:21,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 532 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-11-23 20:37:21,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2023-11-23 20:37:21,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 425. [2023-11-23 20:37:21,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 249 states have (on average 1.2891566265060241) internal successors, (321), 249 states have internal predecessors, (321), 170 states have call successors, (170), 5 states have call predecessors, (170), 5 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2023-11-23 20:37:21,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 661 transitions. [2023-11-23 20:37:21,150 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 661 transitions. Word has length 212 [2023-11-23 20:37:21,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:37:21,156 INFO L495 AbstractCegarLoop]: Abstraction has 425 states and 661 transitions. [2023-11-23 20:37:21,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-23 20:37:21,157 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 661 transitions. [2023-11-23 20:37:21,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-23 20:37:21,162 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:21,162 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:21,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/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)] Forceful destruction successful, exit code 0 [2023-11-23 20:37:21,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:37:21,380 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:37:21,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:21,380 INFO L85 PathProgramCache]: Analyzing trace with hash -290170035, now seen corresponding path program 1 times [2023-11-23 20:37:21,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:37:21,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2130973878] [2023-11-23 20:37:21,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:21,381 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 [2023-11-23 20:37:21,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:37:21,382 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:37:21,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:37:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:21,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:37:21,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:37:23,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1065 proven. 63 refuted. 0 times theorem prover too weak. 1116 trivial. 0 not checked. [2023-11-23 20:37:23,977 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:37:26,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-23 20:37:26,347 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:37:26,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2130973878] [2023-11-23 20:37:26,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2130973878] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-23 20:37:26,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 20:37:26,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2023-11-23 20:37:26,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878903089] [2023-11-23 20:37:26,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:26,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:37:26,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:37:26,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:37:26,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 20:37:26,350 INFO L87 Difference]: Start difference. First operand 425 states and 661 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-23 20:37:29,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:29,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:37:29,394 INFO L93 Difference]: Finished difference Result 959 states and 1499 transitions. [2023-11-23 20:37:29,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:37:29,397 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 213 [2023-11-23 20:37:29,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:37:29,407 INFO L225 Difference]: With dead ends: 959 [2023-11-23 20:37:29,416 INFO L226 Difference]: Without dead ends: 691 [2023-11-23 20:37:29,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 424 GetRequests, 358 SyntacticMatches, 60 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 488 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 20:37:29,421 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 72 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-23 20:37:29,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 239 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-23 20:37:29,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2023-11-23 20:37:29,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 689. [2023-11-23 20:37:29,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 408 states have (on average 1.2990196078431373) internal successors, (530), 408 states have internal predecessors, (530), 272 states have call successors, (272), 8 states have call predecessors, (272), 8 states have return successors, (272), 272 states have call predecessors, (272), 272 states have call successors, (272) [2023-11-23 20:37:29,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 1074 transitions. [2023-11-23 20:37:29,560 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 1074 transitions. Word has length 213 [2023-11-23 20:37:29,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:37:29,562 INFO L495 AbstractCegarLoop]: Abstraction has 689 states and 1074 transitions. [2023-11-23 20:37:29,562 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-23 20:37:29,562 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1074 transitions. [2023-11-23 20:37:29,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-11-23 20:37:29,568 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:29,569 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:29,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:37:29,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:37:29,794 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:37:29,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:29,795 INFO L85 PathProgramCache]: Analyzing trace with hash -658647863, now seen corresponding path program 1 times [2023-11-23 20:37:29,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:37:29,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1162164332] [2023-11-23 20:37:29,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:29,796 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 [2023-11-23 20:37:29,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:37:29,798 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:37:29,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:37:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:30,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:37:30,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:37:31,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2023-11-23 20:37:31,479 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:37:32,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 6 proven. 93 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2023-11-23 20:37:32,076 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:37:32,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1162164332] [2023-11-23 20:37:32,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1162164332] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 20:37:32,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2053962613] [2023-11-23 20:37:32,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:32,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:37:32,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 20:37:32,079 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:37:32,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98893b2d-599b-4f7d-b2a2-d43a04f3f911/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-23 20:37:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:33,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:37:33,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:37:34,881 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2023-11-23 20:37:34,882 INFO L327 TraceCheckSpWp]: Computing backward predicates...