./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-20.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_a02fadd2-fa63-4042-93ff-70565624b580/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/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_a02fadd2-fa63-4042-93ff-70565624b580/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/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_a02fadd2-fa63-4042-93ff-70565624b580/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 c4371ec5d7d7713f55a4c2d6136b6121e97706add533c868f0d647ee218dcafc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:21:42,869 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:21:42,954 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:21:42,959 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:21:42,960 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:21:43,010 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:21:43,011 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:21:43,011 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:21:43,012 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:21:43,013 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:21:43,014 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:21:43,014 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:21:43,015 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:21:43,016 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:21:43,016 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:21:43,017 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:21:43,018 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:21:43,018 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:21:43,019 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:21:43,020 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:21:43,021 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:21:43,021 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:21:43,023 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:21:43,023 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:21:43,024 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:21:43,025 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:21:43,025 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:21:43,048 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:21:43,048 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:21:43,049 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:21:43,049 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:21:43,050 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:21:43,051 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:21:43,051 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:21:43,052 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:21:43,052 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:21:43,052 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:21:43,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:43,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:21:43,053 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:21:43,053 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:21:43,054 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:21:43,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:21:43,054 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:21:43,055 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:21:43,055 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:21:43,055 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:21:43,055 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_a02fadd2-fa63-4042-93ff-70565624b580/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4371ec5d7d7713f55a4c2d6136b6121e97706add533c868f0d647ee218dcafc [2023-11-23 21:21:43,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:21:43,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:21:43,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:21:43,349 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:21:43,350 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:21:43,352 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-20.i [2023-11-23 21:21:46,793 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:21:47,170 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:21:47,171 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-20.i [2023-11-23 21:21:47,184 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/bin/utaipan-verify-mE87zJ7Ire/data/26ae340ea/be01b4366af64cdd9c06bd5bbf642474/FLAGbadc7a0d9 [2023-11-23 21:21:47,201 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/bin/utaipan-verify-mE87zJ7Ire/data/26ae340ea/be01b4366af64cdd9c06bd5bbf642474 [2023-11-23 21:21:47,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:21:47,207 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:21:47,209 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:47,209 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:21:47,216 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:21:47,217 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:47" (1/1) ... [2023-11-23 21:21:47,218 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@202f4a87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:47, skipping insertion in model container [2023-11-23 21:21:47,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:47" (1/1) ... [2023-11-23 21:21:47,261 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:21:47,480 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_a02fadd2-fa63-4042-93ff-70565624b580/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-20.i[915,928] [2023-11-23 21:21:47,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:47,584 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:21:47,600 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_a02fadd2-fa63-4042-93ff-70565624b580/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-20.i[915,928] [2023-11-23 21:21:47,655 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:47,682 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:21:47,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:47 WrapperNode [2023-11-23 21:21:47,695 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:47,697 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:47,697 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:21:47,697 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:21:47,706 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:47" (1/1) ... [2023-11-23 21:21:47,720 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:47" (1/1) ... [2023-11-23 21:21:47,798 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 200 [2023-11-23 21:21:47,798 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:47,799 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:21:47,799 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:21:47,799 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:21:47,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:47" (1/1) ... [2023-11-23 21:21:47,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:47" (1/1) ... [2023-11-23 21:21:47,812 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:47" (1/1) ... [2023-11-23 21:21:47,813 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:47" (1/1) ... [2023-11-23 21:21:47,830 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:47" (1/1) ... [2023-11-23 21:21:47,835 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:47" (1/1) ... [2023-11-23 21:21:47,839 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:47" (1/1) ... [2023-11-23 21:21:47,842 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:47" (1/1) ... [2023-11-23 21:21:47,849 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:21:47,850 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:21:47,851 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:21:47,851 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:21:47,852 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:47" (1/1) ... [2023-11-23 21:21:47,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:47,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:21:47,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:21:47,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:21:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:21:47,975 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:21:47,975 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:21:47,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:21:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:21:47,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:21:48,129 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:21:48,132 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:21:48,720 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:21:49,202 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:21:49,202 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:21:49,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:49 BoogieIcfgContainer [2023-11-23 21:21:49,204 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:21:49,207 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:21:49,207 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:21:49,219 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:21:49,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:21:47" (1/3) ... [2023-11-23 21:21:49,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b9b528d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:49, skipping insertion in model container [2023-11-23 21:21:49,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:47" (2/3) ... [2023-11-23 21:21:49,221 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b9b528d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:49, skipping insertion in model container [2023-11-23 21:21:49,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:49" (3/3) ... [2023-11-23 21:21:49,223 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-20.i [2023-11-23 21:21:49,245 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:21:49,246 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:21:49,308 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:21:49,316 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;@56c085c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:21:49,317 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:21:49,322 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:21:49,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-23 21:21:49,338 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:49,339 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:21:49,339 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:49,346 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:49,346 INFO L85 PathProgramCache]: Analyzing trace with hash 2097750597, now seen corresponding path program 1 times [2023-11-23 21:21:49,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:21:49,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742277558] [2023-11-23 21:21:49,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:49,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:21:49,614 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:21:49,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [450773523] [2023-11-23 21:21:49,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:49,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:21:49,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:21:49,618 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:21:49,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:21:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:21:49,906 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:21:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:21:50,125 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:21:50,128 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:21:50,129 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:21:50,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-23 21:21:50,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:21:50,339 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:21:50,343 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:21:50,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:21:50 BoogieIcfgContainer [2023-11-23 21:21:50,594 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:21:50,595 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:21:50,595 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:21:50,595 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:21:50,596 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:49" (3/4) ... [2023-11-23 21:21:50,603 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:21:50,605 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:21:50,607 INFO L158 Benchmark]: Toolchain (without parser) took 3399.49ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 137.3MB in the beginning and 163.6MB in the end (delta: -26.3MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2023-11-23 21:21:50,607 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 115.3MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:21:50,610 INFO L158 Benchmark]: CACSL2BoogieTranslator took 487.12ms. Allocated memory is still 167.8MB. Free memory was 137.3MB in the beginning and 122.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:21:50,612 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.54ms. Allocated memory is still 167.8MB. Free memory was 122.7MB in the beginning and 118.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:21:50,619 INFO L158 Benchmark]: Boogie Preprocessor took 50.75ms. Allocated memory is still 167.8MB. Free memory was 118.5MB in the beginning and 116.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:21:50,621 INFO L158 Benchmark]: RCFGBuilder took 1353.78ms. Allocated memory is still 167.8MB. Free memory was 116.4MB in the beginning and 113.4MB in the end (delta: 3.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-23 21:21:50,622 INFO L158 Benchmark]: TraceAbstraction took 1387.51ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 112.4MB in the beginning and 163.6MB in the end (delta: -51.3MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2023-11-23 21:21:50,624 INFO L158 Benchmark]: Witness Printer took 10.42ms. Allocated memory is still 201.3MB. Free memory is still 163.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:21:50,630 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 115.3MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 487.12ms. Allocated memory is still 167.8MB. Free memory was 137.3MB in the beginning and 122.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.54ms. Allocated memory is still 167.8MB. Free memory was 122.7MB in the beginning and 118.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.75ms. Allocated memory is still 167.8MB. Free memory was 118.5MB in the beginning and 116.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1353.78ms. Allocated memory is still 167.8MB. Free memory was 116.4MB in the beginning and 113.4MB in the end (delta: 3.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1387.51ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 112.4MB in the beginning and 163.6MB in the end (delta: -51.3MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. * Witness Printer took 10.42ms. Allocated memory is still 201.3MB. Free memory is still 163.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of shiftLeft at line 103, overapproximation of someBinaryDOUBLEComparisonOperation at line 60, overapproximation of someBinaryArithmeticFLOAToperation at line 88. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 5; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 128; [L25] unsigned char var_1_4 = 2; [L26] unsigned char var_1_5 = 2; [L27] unsigned char var_1_6 = 32; [L28] unsigned short int var_1_8 = 100; [L29] float var_1_9 = 255.75; [L30] signed char var_1_10 = 64; [L31] signed char var_1_11 = 32; [L32] signed char var_1_12 = 4; [L33] float var_1_13 = 0.0; [L34] float var_1_14 = 7.25; [L35] float var_1_15 = 8.125; [L36] float var_1_16 = 24.5; [L37] signed short int var_1_17 = -256; [L38] double var_1_18 = 31.5; [L39] float var_1_19 = 255.2; [L40] float var_1_20 = 5.5; [L41] signed long int var_1_21 = -8; [L42] double var_1_22 = 0.5; [L43] unsigned short int var_1_23 = 200; [L44] unsigned char var_1_24 = 0; [L45] double var_1_25 = 127.9; [L46] double var_1_26 = 1.8; [L47] unsigned char var_1_27 = 1; [L48] float var_1_28 = 5.65; [L49] unsigned short int var_1_29 = 8; [L50] unsigned char var_1_30 = 128; [L51] unsigned char last_1_var_1_6 = 32; [L52] unsigned short int last_1_var_1_8 = 100; [L171] isInitial = 1 [L172] FCALL initially() [L173] COND TRUE 1 [L174] CALL updateLastVariables() [L163] last_1_var_1_6 = var_1_6 [L164] last_1_var_1_8 = var_1_8 [L174] RET updateLastVariables() [L175] CALL updateVariables() [L117] var_1_2 = __VERIFIER_nondet_uchar() [L118] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_30=128, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_30=128, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L119] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L120] var_1_3 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_3 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_3 >= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L122] CALL assume_abort_if_not(var_1_3 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_3 <= 254) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L123] var_1_4 = __VERIFIER_nondet_uchar() [L124] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L125] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L126] var_1_5 = __VERIFIER_nondet_uchar() [L127] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L128] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L129] var_1_10 = __VERIFIER_nondet_char() [L130] CALL assume_abort_if_not(var_1_10 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_10 >= 63) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L131] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L132] var_1_11 = __VERIFIER_nondet_char() [L133] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L134] CALL assume_abort_if_not(var_1_11 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_11 <= 64) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L135] var_1_12 = __VERIFIER_nondet_char() [L136] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L137] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L138] var_1_13 = __VERIFIER_nondet_float() [L139] CALL assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L140] var_1_14 = __VERIFIER_nondet_float() [L141] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L142] var_1_16 = __VERIFIER_nondet_float() [L143] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_20=11/2, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L144] var_1_20 = __VERIFIER_nondet_float() [L145] CALL assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L146] var_1_24 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L148] CALL assume_abort_if_not(var_1_24 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_24 <= 1) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_25=1279/10, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L149] var_1_25 = __VERIFIER_nondet_double() [L150] CALL assume_abort_if_not((var_1_25 >= -922337.2036854776000e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854776000e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not((var_1_25 >= -922337.2036854776000e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854776000e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L151] CALL assume_abort_if_not(var_1_25 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_25 != 0.0F) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_26=9/5, var_1_27=1, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L152] var_1_27 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_26=9/5, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_26=9/5, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L154] CALL assume_abort_if_not(var_1_27 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_26=9/5, var_1_27=0, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_27 <= 1) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_26=9/5, var_1_27=0, var_1_28=113/20, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L155] var_1_28 = __VERIFIER_nondet_float() [L156] CALL assume_abort_if_not((var_1_28 >= -922337.2036854776000e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854776000e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_26=9/5, var_1_27=0, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_28 >= -922337.2036854776000e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854776000e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_26=9/5, var_1_27=0, var_1_29=8, var_1_2=0, var_1_30=128, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L157] var_1_30 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_26=9/5, var_1_27=0, var_1_29=8, var_1_2=0, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_26=9/5, var_1_27=0, var_1_29=8, var_1_2=0, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L159] CALL assume_abort_if_not(var_1_30 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_26=9/5, var_1_27=0, var_1_29=8, var_1_2=0, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_30 <= 255) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_26=9/5, var_1_27=0, var_1_29=8, var_1_2=0, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L160] CALL assume_abort_if_not(var_1_30 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_26=9/5, var_1_27=0, var_1_29=8, var_1_2=0, var_1_30=179, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_30 != 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_24=0, var_1_26=9/5, var_1_27=0, var_1_29=8, var_1_2=0, var_1_30=179, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L175] RET updateVariables() [L176] CALL step() [L56] var_1_19 = var_1_20 [L57] var_1_21 = -16 [L58] var_1_22 = var_1_20 [L59] COND FALSE !(\read(var_1_24)) [L66] COND FALSE !(var_1_21 > var_1_23) [L69] COND FALSE !((var_1_24 || var_1_27) || ((- var_1_20) <= var_1_28)) [L73] COND FALSE !(((var_1_23 + var_1_21) % var_1_30) != 5) [L76] signed long int stepLocal_0 = 64 + (var_1_5 / var_1_3); [L77] COND FALSE !(stepLocal_0 != (last_1_var_1_8 - (var_1_4 + last_1_var_1_6))) [L80] var_1_6 = 128 [L82] COND FALSE !(\read(var_1_2)) [L85] var_1_1 = (var_1_4 + var_1_5) [L87] COND TRUE ((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5 [L88] var_1_9 = (64.8f - (var_1_13 - var_1_14)) [L92] var_1_15 = (var_1_14 + var_1_16) [L93] COND FALSE !(\read(var_1_2)) [L96] COND FALSE !(var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13))))) [L99] var_1_17 = (var_1_5 - var_1_3) [L102] COND FALSE !((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) [L107] var_1_18 = var_1_16 [L109] signed long int stepLocal_1 = var_1_3 - var_1_5; [L110] COND FALSE !((var_1_17 + var_1_6) >= stepLocal_1) [L113] var_1_8 = var_1_6 [L176] RET step() [L177] CALL, EXPR property() [L167] EXPR ((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 - var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 + var_1_5)))) && (((64 + (var_1_5 / var_1_3)) != (last_1_var_1_8 - (var_1_4 + last_1_var_1_6))) ? (var_1_6 == ((unsigned char) var_1_4)) : (var_1_6 == ((unsigned char) 128)))) && (((var_1_17 + var_1_6) >= (var_1_3 - var_1_5)) ? (var_1_8 == ((unsigned short int) ((((var_1_6) > (var_1_3)) ? (var_1_6) : (var_1_3))))) : (var_1_8 == ((unsigned short int) var_1_6)))) && ((((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) ? (var_1_9 == ((float) (64.8f - (var_1_13 - var_1_14)))) : (var_1_9 == ((float) var_1_13)))) && (var_1_15 == ((float) (var_1_14 + var_1_16)))) && (var_1_2 ? (var_1_17 == ((signed short int) (var_1_3 + var_1_12))) : ((var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13))))) ? (var_1_17 == ((signed short int) var_1_4)) : (var_1_17 == ((signed short int) (var_1_5 - var_1_3)))))) && (((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) ? (((var_1_11 << var_1_12) > var_1_5) ? (var_1_18 == ((double) var_1_13)) : 1) : (var_1_18 == ((double) var_1_16))) [L167-L168] return ((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 - var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 + var_1_5)))) && (((64 + (var_1_5 / var_1_3)) != (last_1_var_1_8 - (var_1_4 + last_1_var_1_6))) ? (var_1_6 == ((unsigned char) var_1_4)) : (var_1_6 == ((unsigned char) 128)))) && (((var_1_17 + var_1_6) >= (var_1_3 - var_1_5)) ? (var_1_8 == ((unsigned short int) ((((var_1_6) > (var_1_3)) ? (var_1_6) : (var_1_3))))) : (var_1_8 == ((unsigned short int) var_1_6)))) && ((((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) ? (var_1_9 == ((float) (64.8f - (var_1_13 - var_1_14)))) : (var_1_9 == ((float) var_1_13)))) && (var_1_15 == ((float) (var_1_14 + var_1_16)))) && (var_1_2 ? (var_1_17 == ((signed short int) (var_1_3 + var_1_12))) : ((var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13))))) ? (var_1_17 == ((signed short int) var_1_4)) : (var_1_17 == ((signed short int) (var_1_5 - var_1_3)))))) && (((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) ? (((var_1_11 << var_1_12) > var_1_5) ? (var_1_18 == ((double) var_1_13)) : 1) : (var_1_18 == ((double) var_1_16))) ; [L177] RET, EXPR property() [L177] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_13=0, var_1_16=2, var_1_17=-65, var_1_18=2, var_1_19=3, var_1_1=114, var_1_20=3, var_1_21=-16, var_1_22=3, var_1_23=200, var_1_24=0, var_1_26=9/5, var_1_27=0, var_1_29=8, var_1_2=0, var_1_30=179, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=128, var_1_8=128, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=0, var_1_12=0, var_1_13=0, var_1_16=2, var_1_17=-65, var_1_18=2, var_1_19=3, var_1_1=114, var_1_20=3, var_1_21=-16, var_1_22=3, var_1_23=200, var_1_24=0, var_1_26=9/5, var_1_27=0, var_1_29=8, var_1_2=0, var_1_30=179, var_1_3=175, var_1_4=4, var_1_5=110, var_1_6=128, var_1_8=128, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 28, 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=53occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 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 21:21:50,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/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_a02fadd2-fa63-4042-93ff-70565624b580/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/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_a02fadd2-fa63-4042-93ff-70565624b580/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/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_a02fadd2-fa63-4042-93ff-70565624b580/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 c4371ec5d7d7713f55a4c2d6136b6121e97706add533c868f0d647ee218dcafc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:21:54,085 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:21:54,266 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:21:54,276 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:21:54,277 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:21:54,341 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:21:54,342 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:21:54,343 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:21:54,344 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:21:54,350 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:21:54,351 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:21:54,352 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:21:54,352 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:21:54,355 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:21:54,356 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:21:54,356 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:21:54,358 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:21:54,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:21:54,359 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:21:54,360 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:21:54,361 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:21:54,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:21:54,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:21:54,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:21:54,363 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:21:54,364 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:21:54,364 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:21:54,365 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:21:54,366 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:21:54,366 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:21:54,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:21:54,368 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:21:54,368 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:21:54,369 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:21:54,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:54,370 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:21:54,370 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:21:54,370 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:21:54,371 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:21:54,372 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:21:54,373 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:21:54,373 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:21:54,374 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:21:54,374 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:21:54,375 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_a02fadd2-fa63-4042-93ff-70565624b580/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4371ec5d7d7713f55a4c2d6136b6121e97706add533c868f0d647ee218dcafc [2023-11-23 21:21:54,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:21:54,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:21:54,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:21:54,888 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:21:54,888 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:21:54,890 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-20.i [2023-11-23 21:21:58,801 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:21:59,101 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:21:59,116 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-20.i [2023-11-23 21:21:59,128 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/bin/utaipan-verify-mE87zJ7Ire/data/90c63e9f4/099dd77b1b5343ffa5ad1aaea56d3a7e/FLAG420610e91 [2023-11-23 21:21:59,145 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/bin/utaipan-verify-mE87zJ7Ire/data/90c63e9f4/099dd77b1b5343ffa5ad1aaea56d3a7e [2023-11-23 21:21:59,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:21:59,149 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:21:59,151 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:59,151 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:21:59,157 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:21:59,158 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:59" (1/1) ... [2023-11-23 21:21:59,159 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29106c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:59, skipping insertion in model container [2023-11-23 21:21:59,159 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:59" (1/1) ... [2023-11-23 21:21:59,206 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:21:59,413 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_a02fadd2-fa63-4042-93ff-70565624b580/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-20.i[915,928] [2023-11-23 21:21:59,503 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:59,529 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:21:59,545 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_a02fadd2-fa63-4042-93ff-70565624b580/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-20.i[915,928] [2023-11-23 21:21:59,588 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:59,617 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:21:59,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:59 WrapperNode [2023-11-23 21:21:59,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:59,620 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:59,620 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:21:59,620 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:21:59,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:59" (1/1) ... [2023-11-23 21:21:59,644 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:59" (1/1) ... [2023-11-23 21:21:59,684 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 180 [2023-11-23 21:21:59,685 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:59,687 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:21:59,687 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:21:59,688 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:21:59,699 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:59" (1/1) ... [2023-11-23 21:21:59,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:59" (1/1) ... [2023-11-23 21:21:59,707 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:59" (1/1) ... [2023-11-23 21:21:59,709 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:59" (1/1) ... [2023-11-23 21:21:59,733 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:59" (1/1) ... [2023-11-23 21:21:59,754 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:59" (1/1) ... [2023-11-23 21:21:59,758 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:59" (1/1) ... [2023-11-23 21:21:59,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:59" (1/1) ... [2023-11-23 21:21:59,785 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:21:59,800 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:21:59,801 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:21:59,801 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:21:59,802 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:59" (1/1) ... [2023-11-23 21:21:59,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:59,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:21:59,835 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:21:59,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:21:59,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:21:59,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:21:59,876 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:21:59,876 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:21:59,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:21:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:21:59,988 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:21:59,991 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:22:10,103 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:22:10,164 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:22:10,164 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:22:10,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:22:10 BoogieIcfgContainer [2023-11-23 21:22:10,165 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:22:10,169 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:22:10,169 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:22:10,174 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:22:10,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:21:59" (1/3) ... [2023-11-23 21:22:10,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46b91536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:22:10, skipping insertion in model container [2023-11-23 21:22:10,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:59" (2/3) ... [2023-11-23 21:22:10,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46b91536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:22:10, skipping insertion in model container [2023-11-23 21:22:10,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:22:10" (3/3) ... [2023-11-23 21:22:10,178 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-20.i [2023-11-23 21:22:10,203 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:22:10,203 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:22:10,267 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:22:10,276 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;@32a9de13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:22:10,277 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:22:10,282 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 43 states have internal predecessors, (60), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:22:10,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-23 21:22:10,304 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:10,305 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:22:10,306 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:22:10,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:10,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1190012174, now seen corresponding path program 1 times [2023-11-23 21:22:10,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:22:10,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1164941458] [2023-11-23 21:22:10,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:10,332 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 21:22:10,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:22:10,340 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/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 21:22:10,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/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 21:22:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:11,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:22:11,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:22:11,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 774 proven. 0 refuted. 0 times theorem prover too weak. 738 trivial. 0 not checked. [2023-11-23 21:22:11,411 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:22:11,412 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:22:11,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1164941458] [2023-11-23 21:22:11,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1164941458] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:22:11,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:22:11,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:22:11,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506735202] [2023-11-23 21:22:11,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:22:11,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:22:11,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:22:11,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:22:11,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:22:11,462 INFO L87 Difference]: Start difference. First operand has 73 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 43 states have internal predecessors, (60), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 21:22:13,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:22:13,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:22:13,669 INFO L93 Difference]: Finished difference Result 143 states and 258 transitions. [2023-11-23 21:22:13,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:22:13,726 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 173 [2023-11-23 21:22:13,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:22:13,739 INFO L225 Difference]: With dead ends: 143 [2023-11-23 21:22:13,739 INFO L226 Difference]: Without dead ends: 71 [2023-11-23 21:22:13,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 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 21:22:13,752 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:22:13,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-11-23 21:22:13,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-23 21:22:13,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-23 21:22:13,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 41 states have internal predecessors, (55), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:22:13,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 111 transitions. [2023-11-23 21:22:13,829 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 111 transitions. Word has length 173 [2023-11-23 21:22:13,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:22:13,829 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 111 transitions. [2023-11-23 21:22:13,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 21:22:13,830 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 111 transitions. [2023-11-23 21:22:13,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-23 21:22:13,835 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:13,836 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:22:13,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/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 21:22:14,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/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 21:22:14,037 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:22:14,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:14,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1097398070, now seen corresponding path program 1 times [2023-11-23 21:22:14,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:22:14,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [912529252] [2023-11-23 21:22:14,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:14,041 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 21:22:14,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:22:14,042 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/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 21:22:14,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/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 21:22:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:14,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:22:14,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:22:14,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-23 21:22:14,942 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:22:14,942 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:22:14,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [912529252] [2023-11-23 21:22:14,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [912529252] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:22:14,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:22:14,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:22:14,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625517199] [2023-11-23 21:22:14,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:22:14,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:22:14,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:22:14,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:22:14,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:22:14,953 INFO L87 Difference]: Start difference. First operand 71 states and 111 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 21:22:17,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:22:17,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:22:17,358 INFO L93 Difference]: Finished difference Result 190 states and 297 transitions. [2023-11-23 21:22:17,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:22:17,359 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 173 [2023-11-23 21:22:17,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:22:17,364 INFO L225 Difference]: With dead ends: 190 [2023-11-23 21:22:17,365 INFO L226 Difference]: Without dead ends: 120 [2023-11-23 21:22:17,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:22:17,369 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 107 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:22:17,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 253 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2023-11-23 21:22:17,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-11-23 21:22:17,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 71. [2023-11-23 21:22:17,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 41 states have internal predecessors, (54), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:22:17,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 110 transitions. [2023-11-23 21:22:17,392 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 110 transitions. Word has length 173 [2023-11-23 21:22:17,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:22:17,395 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 110 transitions. [2023-11-23 21:22:17,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 21:22:17,395 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 110 transitions. [2023-11-23 21:22:17,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-23 21:22:17,400 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:17,400 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:22:17,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/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 21:22:17,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/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 21:22:17,617 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:22:17,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:17,618 INFO L85 PathProgramCache]: Analyzing trace with hash -82891216, now seen corresponding path program 1 times [2023-11-23 21:22:17,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:22:17,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1540257842] [2023-11-23 21:22:17,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:17,619 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 21:22:17,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:22:17,668 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/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 21:22:17,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a02fadd2-fa63-4042-93ff-70565624b580/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 21:22:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:18,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-23 21:22:18,588 INFO L285 TraceCheckSpWp]: Computing forward predicates...