./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-97.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f0e464b03528fd07ed2a214c41d5d0c75fd807ee4909056da113988031a11e66 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:45:42,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:45:42,250 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:45:42,261 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:45:42,262 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:45:42,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:45:42,304 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:45:42,304 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:45:42,306 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:45:42,311 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:45:42,311 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:45:42,313 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:45:42,313 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:45:42,315 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:45:42,316 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:45:42,316 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:45:42,317 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:45:42,317 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:45:42,318 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:45:42,318 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:45:42,320 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:45:42,321 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:45:42,322 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:45:42,322 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:45:42,323 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:45:42,323 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:45:42,324 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:45:42,324 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:45:42,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:45:42,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:45:42,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:45:42,326 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:45:42,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:45:42,327 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:45:42,327 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:45:42,327 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:45:42,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:45:42,328 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:45:42,328 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:45:42,329 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:45:42,329 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:45:42,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:45:42,330 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:45:42,330 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:45:42,330 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:45:42,330 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_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0e464b03528fd07ed2a214c41d5d0c75fd807ee4909056da113988031a11e66 [2023-11-19 04:45:42,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:45:42,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:45:42,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:45:42,684 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:45:42,684 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:45:42,687 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-97.i [2023-11-19 04:45:45,990 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:45:46,259 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:45:46,260 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-97.i [2023-11-19 04:45:46,273 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/data/f7ca6aa03/bb9e241698624c14ac4d62fea372f670/FLAGed211353c [2023-11-19 04:45:46,291 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/data/f7ca6aa03/bb9e241698624c14ac4d62fea372f670 [2023-11-19 04:45:46,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:45:46,294 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:45:46,296 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:45:46,296 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:45:46,303 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:45:46,304 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:45:46" (1/1) ... [2023-11-19 04:45:46,305 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d4f8339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:46, skipping insertion in model container [2023-11-19 04:45:46,305 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:45:46" (1/1) ... [2023-11-19 04:45:46,342 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:45:46,516 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_1122cd87-a97f-4542-a7d5-a85dd674da07/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-97.i[915,928] [2023-11-19 04:45:46,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:45:46,610 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:45:46,632 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_1122cd87-a97f-4542-a7d5-a85dd674da07/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-97.i[915,928] [2023-11-19 04:45:46,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:45:46,723 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:45:46,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:46 WrapperNode [2023-11-19 04:45:46,723 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:45:46,724 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:45:46,724 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:45:46,725 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:45:46,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:46" (1/1) ... [2023-11-19 04:45:46,750 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:46" (1/1) ... [2023-11-19 04:45:46,802 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 254 [2023-11-19 04:45:46,802 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:45:46,803 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:45:46,803 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:45:46,803 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:45:46,813 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:46" (1/1) ... [2023-11-19 04:45:46,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:46" (1/1) ... [2023-11-19 04:45:46,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:46" (1/1) ... [2023-11-19 04:45:46,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:46" (1/1) ... [2023-11-19 04:45:46,833 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:46" (1/1) ... [2023-11-19 04:45:46,838 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:46" (1/1) ... [2023-11-19 04:45:46,842 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:46" (1/1) ... [2023-11-19 04:45:46,845 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:46" (1/1) ... [2023-11-19 04:45:46,852 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:45:46,853 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:45:46,853 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:45:46,853 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:45:46,854 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:46" (1/1) ... [2023-11-19 04:45:46,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:45:46,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:45:46,926 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:45:46,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:45:46,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:45:46,969 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:45:46,969 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:45:46,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:45:46,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:45:46,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:45:47,107 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:45:47,109 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:45:47,759 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:45:48,186 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:45:48,187 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:45:48,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:45:48 BoogieIcfgContainer [2023-11-19 04:45:48,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:45:48,196 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:45:48,196 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:45:48,199 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:45:48,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:45:46" (1/3) ... [2023-11-19 04:45:48,201 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d4556f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:45:48, skipping insertion in model container [2023-11-19 04:45:48,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:46" (2/3) ... [2023-11-19 04:45:48,204 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d4556f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:45:48, skipping insertion in model container [2023-11-19 04:45:48,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:45:48" (3/3) ... [2023-11-19 04:45:48,205 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-97.i [2023-11-19 04:45:48,224 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:45:48,225 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:45:48,277 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:45:48,284 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;@1a2bd48b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:45:48,284 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:45:48,288 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-19 04:45:48,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-19 04:45:48,301 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:45:48,302 INFO L195 NwaCegarLoop]: trace histogram [29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:45:48,302 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:45:48,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:45:48,308 INFO L85 PathProgramCache]: Analyzing trace with hash 578741179, now seen corresponding path program 1 times [2023-11-19 04:45:48,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:45:48,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750220885] [2023-11-19 04:45:48,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:45:48,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:45:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:45:49,363 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:45:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:45:50,143 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:45:50,145 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:45:50,147 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:45:50,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:45:50,155 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:45:50,162 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:45:50,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:45:50 BoogieIcfgContainer [2023-11-19 04:45:50,330 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:45:50,332 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:45:50,333 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:45:50,333 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:45:50,334 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:45:48" (3/4) ... [2023-11-19 04:45:50,338 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:45:50,340 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:45:50,341 INFO L158 Benchmark]: Toolchain (without parser) took 4046.22ms. Allocated memory was 159.4MB in the beginning and 207.6MB in the end (delta: 48.2MB). Free memory was 114.9MB in the beginning and 100.7MB in the end (delta: 14.1MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. [2023-11-19 04:45:50,342 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 159.4MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:45:50,343 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.44ms. Allocated memory is still 159.4MB. Free memory was 114.9MB in the beginning and 100.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:45:50,344 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.28ms. Allocated memory is still 159.4MB. Free memory was 100.1MB in the beginning and 96.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:45:50,346 INFO L158 Benchmark]: Boogie Preprocessor took 49.02ms. Allocated memory is still 159.4MB. Free memory was 96.0MB in the beginning and 93.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:45:50,351 INFO L158 Benchmark]: RCFGBuilder took 1340.11ms. Allocated memory was 159.4MB in the beginning and 207.6MB in the end (delta: 48.2MB). Free memory was 93.3MB in the beginning and 107.1MB in the end (delta: -13.8MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2023-11-19 04:45:50,353 INFO L158 Benchmark]: TraceAbstraction took 2134.18ms. Allocated memory is still 207.6MB. Free memory was 106.1MB in the beginning and 100.7MB in the end (delta: 5.3MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2023-11-19 04:45:50,354 INFO L158 Benchmark]: Witness Printer took 7.47ms. Allocated memory is still 207.6MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:45:50,364 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 159.4MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 427.44ms. Allocated memory is still 159.4MB. Free memory was 114.9MB in the beginning and 100.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.28ms. Allocated memory is still 159.4MB. Free memory was 100.1MB in the beginning and 96.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.02ms. Allocated memory is still 159.4MB. Free memory was 96.0MB in the beginning and 93.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1340.11ms. Allocated memory was 159.4MB in the beginning and 207.6MB in the end (delta: 48.2MB). Free memory was 93.3MB in the beginning and 107.1MB in the end (delta: -13.8MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2134.18ms. Allocated memory is still 207.6MB. Free memory was 106.1MB in the beginning and 100.7MB in the end (delta: 5.3MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. * Witness Printer took 7.47ms. Allocated memory is still 207.6MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of bitwiseOr at line 57, overapproximation of bitwiseAnd at line 76. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 2; [L23] signed long int var_1_5 = 5; [L24] unsigned char var_1_8 = 0; [L25] float var_1_9 = 128.6; [L26] float var_1_10 = 32.5; [L27] unsigned char var_1_11 = 16; [L28] unsigned char var_1_12 = 64; [L29] unsigned char var_1_13 = 4; [L30] unsigned char var_1_14 = 4; [L31] unsigned long int var_1_15 = 0; [L32] signed short int var_1_16 = 0; [L33] signed char var_1_17 = 1; [L34] signed char var_1_18 = -1; [L35] signed char var_1_19 = 0; [L36] signed long int var_1_20 = -64; [L37] unsigned char var_1_22 = 0; [L38] unsigned char var_1_23 = 0; [L39] signed short int var_1_24 = -4; [L40] unsigned char var_1_25 = 1; [L41] signed char var_1_26 = 50; [L42] signed char var_1_27 = 4; [L43] signed char var_1_28 = -10; [L44] signed char var_1_29 = -64; [L45] signed char var_1_30 = -8; [L46] signed long int var_1_31 = 1; [L47] float var_1_32 = 3.75; [L48] float var_1_33 = 8.5; [L49] unsigned char var_1_34 = 0; [L50] unsigned char var_1_35 = 8; [L51] unsigned short int var_1_36 = 5; [L52] signed long int last_1_var_1_5 = 5; [L169] isInitial = 1 [L170] FCALL initially() [L171] COND TRUE 1 [L172] CALL updateLastVariables() [L162] last_1_var_1_5 = var_1_5 [L172] RET updateLastVariables() [L173] CALL updateVariables() [L115] var_1_9 = __VERIFIER_nondet_float() [L116] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L117] var_1_10 = __VERIFIER_nondet_float() [L118] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L119] var_1_11 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L121] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L122] var_1_12 = __VERIFIER_nondet_uchar() [L123] CALL assume_abort_if_not(var_1_12 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_12 >= 63) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L124] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L125] var_1_13 = __VERIFIER_nondet_uchar() [L126] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L127] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L128] var_1_14 = __VERIFIER_nondet_uchar() [L129] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L130] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L131] var_1_18 = __VERIFIER_nondet_char() [L132] CALL assume_abort_if_not(var_1_18 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_18 >= -31) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L133] CALL assume_abort_if_not(var_1_18 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_18 <= 32) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L134] var_1_19 = __VERIFIER_nondet_char() [L135] CALL assume_abort_if_not(var_1_19 >= -15) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_19 >= -15) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L136] CALL assume_abort_if_not(var_1_19 <= 16) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_19 <= 16) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L137] var_1_23 = __VERIFIER_nondet_uchar() [L138] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L139] CALL assume_abort_if_not(var_1_23 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_23 <= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L140] var_1_25 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L142] CALL assume_abort_if_not(var_1_25 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_25 <= 1) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=50, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L143] var_1_26 = __VERIFIER_nondet_char() [L144] CALL assume_abort_if_not(var_1_26 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=-4, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_26 >= -128) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=-4, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L145] CALL assume_abort_if_not(var_1_26 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=-4, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_26 <= 127) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=-4, var_1_27=4, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L146] var_1_27 = __VERIFIER_nondet_char() [L147] CALL assume_abort_if_not(var_1_27 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=-4, var_1_27=0, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_27 >= -128) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=-4, var_1_27=0, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L148] CALL assume_abort_if_not(var_1_27 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=-4, var_1_27=0, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_27 <= 127) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=-4, var_1_27=0, var_1_28=-10, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L149] var_1_28 = __VERIFIER_nondet_char() [L150] CALL assume_abort_if_not(var_1_28 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=-4, var_1_27=0, var_1_28=-3, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_28 >= -128) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=-4, var_1_27=0, var_1_28=-3, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L151] CALL assume_abort_if_not(var_1_28 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=-4, var_1_27=0, var_1_28=-3, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_28 <= 127) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=-4, var_1_27=0, var_1_28=-3, var_1_29=-64, var_1_30=-8, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L152] var_1_30 = __VERIFIER_nondet_char() [L153] CALL assume_abort_if_not(var_1_30 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=-4, var_1_27=0, var_1_28=-3, var_1_29=-64, var_1_30=-127, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_30 >= -127) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=-4, var_1_27=0, var_1_28=-3, var_1_29=-64, var_1_30=-127, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L154] CALL assume_abort_if_not(var_1_30 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=-4, var_1_27=0, var_1_28=-3, var_1_29=-64, var_1_30=-127, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_30 <= 126) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=-4, var_1_27=0, var_1_28=-3, var_1_29=-64, var_1_30=-127, var_1_31=1, var_1_32=15/4, var_1_33=17/2, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L155] var_1_33 = __VERIFIER_nondet_float() [L156] CALL assume_abort_if_not((var_1_33 >= -922337.2036854765600e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 9223372.036854765600e+12F && var_1_33 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=-4, var_1_27=0, var_1_28=-3, var_1_29=-64, var_1_30=-127, var_1_31=1, var_1_32=15/4, var_1_33=4294967302, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_33 >= -922337.2036854765600e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 9223372.036854765600e+12F && var_1_33 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=-4, var_1_27=0, var_1_28=-3, var_1_29=-64, var_1_30=-127, var_1_31=1, var_1_32=15/4, var_1_33=4294967302, var_1_34=0, var_1_35=8, var_1_36=5, var_1_5=5, var_1_8=0] [L157] var_1_35 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_35 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=-4, var_1_27=0, var_1_28=-3, var_1_29=-64, var_1_30=-127, var_1_31=1, var_1_32=15/4, var_1_33=4294967302, var_1_34=0, var_1_35=254, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_35 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=-4, var_1_27=0, var_1_28=-3, var_1_29=-64, var_1_30=-127, var_1_31=1, var_1_32=15/4, var_1_33=4294967302, var_1_34=0, var_1_35=254, var_1_36=5, var_1_5=5, var_1_8=0] [L159] CALL assume_abort_if_not(var_1_35 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=-4, var_1_27=0, var_1_28=-3, var_1_29=-64, var_1_30=-127, var_1_31=1, var_1_32=15/4, var_1_33=4294967302, var_1_34=0, var_1_35=254, var_1_36=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_35 <= 254) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=-4, var_1_27=0, var_1_28=-3, var_1_29=-64, var_1_30=-127, var_1_31=1, var_1_32=15/4, var_1_33=4294967302, var_1_34=0, var_1_35=254, var_1_36=5, var_1_5=5, var_1_8=0] [L173] RET updateVariables() [L174] CALL step() [L56] COND TRUE \read(var_1_25) [L57] EXPR var_1_27 | var_1_28 [L57] COND TRUE var_1_26 < (var_1_27 | var_1_28) [L58] var_1_24 = var_1_26 [L61] var_1_29 = var_1_30 [L62] var_1_31 = var_1_29 [L63] var_1_32 = var_1_33 [L64] var_1_34 = var_1_35 [L65] var_1_36 = var_1_35 [L66] COND FALSE !(var_1_9 > var_1_10) [L69] var_1_20 = var_1_8 [L70] var_1_22 = var_1_23 [L71] COND FALSE !(\read(var_1_22)) [L74] var_1_16 = (((((var_1_15) < (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12))))) ? (var_1_15) : (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12)))))) - var_1_11) [L75] COND FALSE !(\read(var_1_22)) [L82] var_1_17 = -32 [L84] unsigned long int stepLocal_1 = var_1_20 + var_1_15; [L85] signed long int stepLocal_0 = var_1_20; [L86] COND TRUE stepLocal_1 < -200 [L87] COND FALSE !(\read(var_1_22)) [L94] var_1_1 = var_1_20 [L99] signed long int stepLocal_4 = 256; [L100] unsigned char stepLocal_3 = var_1_22; [L101] unsigned long int stepLocal_2 = var_1_15; [L102] COND FALSE !(stepLocal_4 > (var_1_15 - (last_1_var_1_5 + var_1_8))) [L105] COND FALSE !(stepLocal_3 || var_1_22) [L110] var_1_5 = -10000 [L174] RET step() [L175] CALL, EXPR property() [L165] EXPR (((var_1_20 + var_1_15) < -200) ? (var_1_22 ? ((var_1_20 > (- var_1_15)) ? (var_1_1 == ((unsigned long int) var_1_20)) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) && ((256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000)))) [L165] EXPR (256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000))) [L165] EXPR (var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000)) [L165] EXPR (256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000))) [L165] EXPR (((var_1_20 + var_1_15) < -200) ? (var_1_22 ? ((var_1_20 > (- var_1_15)) ? (var_1_1 == ((unsigned long int) var_1_20)) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) && ((256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000)))) [L165] EXPR (((((((var_1_20 + var_1_15) < -200) ? (var_1_22 ? ((var_1_20 > (- var_1_15)) ? (var_1_1 == ((unsigned long int) var_1_20)) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) && ((256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000))))) && ((var_1_9 > var_1_10) ? (var_1_8 == ((unsigned char) (((((var_1_11 + (var_1_12 - var_1_13))) < ((5 + var_1_14))) ? ((var_1_11 + (var_1_12 - var_1_13))) : ((5 + var_1_14)))))) : 1)) && (var_1_22 ? (var_1_15 == ((unsigned long int) var_1_8)) : 1)) && (var_1_16 == ((signed short int) (((((var_1_15) < (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12))))) ? (var_1_15) : (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12)))))) - var_1_11)))) && (var_1_22 ? ((var_1_14 < (var_1_13 & (var_1_15 / 2))) ? (var_1_17 == ((signed char) (var_1_13 + (var_1_18 + (var_1_19 + 5))))) : (var_1_17 == ((signed char) var_1_18))) : (var_1_17 == ((signed char) -32))) [L165-L166] return (((((((((var_1_20 + var_1_15) < -200) ? (var_1_22 ? ((var_1_20 > (- var_1_15)) ? (var_1_1 == ((unsigned long int) var_1_20)) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) && ((256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000))))) && ((var_1_9 > var_1_10) ? (var_1_8 == ((unsigned char) (((((var_1_11 + (var_1_12 - var_1_13))) < ((5 + var_1_14))) ? ((var_1_11 + (var_1_12 - var_1_13))) : ((5 + var_1_14)))))) : 1)) && (var_1_22 ? (var_1_15 == ((unsigned long int) var_1_8)) : 1)) && (var_1_16 == ((signed short int) (((((var_1_15) < (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12))))) ? (var_1_15) : (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12)))))) - var_1_11)))) && (var_1_22 ? ((var_1_14 < (var_1_13 & (var_1_15 / 2))) ? (var_1_17 == ((signed char) (var_1_13 + (var_1_18 + (var_1_19 + 5))))) : (var_1_17 == ((signed char) var_1_18))) : (var_1_17 == ((signed char) -32)))) && (var_1_20 == ((signed long int) var_1_8))) && (var_1_22 == ((unsigned char) var_1_23)) ; [L175] RET, EXPR property() [L175] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-6, var_1_17=-32, var_1_18=32, var_1_19=16, var_1_1=0, var_1_20=0, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=-4, var_1_27=0, var_1_28=-3, var_1_29=-127, var_1_30=-127, var_1_31=-127, var_1_32=4294967302, var_1_33=4294967302, var_1_34=254, var_1_35=254, var_1_36=254, var_1_5=-10000, var_1_8=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_5=5, var_1_10=4294967303, var_1_11=6, var_1_12=63, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-6, var_1_17=-32, var_1_18=32, var_1_19=16, var_1_1=0, var_1_20=0, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_25=1, var_1_26=-4, var_1_27=0, var_1_28=-3, var_1_29=-127, var_1_30=-127, var_1_31=-127, var_1_32=4294967302, var_1_33=4294967302, var_1_34=254, var_1_35=254, var_1_36=254, var_1_5=-10000, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 1, TraceHistogramMax: 29, 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=54occurred 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: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:45:50,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f0e464b03528fd07ed2a214c41d5d0c75fd807ee4909056da113988031a11e66 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:45:53,142 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:45:53,291 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:45:53,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:45:53,300 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:45:53,344 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:45:53,345 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:45:53,345 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:45:53,346 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:45:53,352 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:45:53,352 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:45:53,353 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:45:53,353 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:45:53,355 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:45:53,356 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:45:53,356 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:45:53,358 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:45:53,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:45:53,359 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:45:53,360 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:45:53,361 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:45:53,361 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:45:53,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:45:53,362 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:45:53,363 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:45:53,363 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:45:53,364 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:45:53,364 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:45:53,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:45:53,365 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:45:53,367 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:45:53,367 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:45:53,367 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:45:53,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:45:53,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:45:53,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:45:53,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:45:53,369 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:45:53,370 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:45:53,371 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:45:53,371 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:45:53,372 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:45:53,372 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_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0e464b03528fd07ed2a214c41d5d0c75fd807ee4909056da113988031a11e66 [2023-11-19 04:45:53,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:45:53,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:45:53,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:45:53,873 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:45:53,874 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:45:53,875 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-97.i [2023-11-19 04:45:57,123 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:45:57,472 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:45:57,477 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-97.i [2023-11-19 04:45:57,487 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/data/165d3a1b9/0454b1fbd638489b857edb874fb9aa89/FLAG8f418ebfb [2023-11-19 04:45:57,503 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/data/165d3a1b9/0454b1fbd638489b857edb874fb9aa89 [2023-11-19 04:45:57,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:45:57,507 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:45:57,509 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:45:57,509 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:45:57,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:45:57,515 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:45:57" (1/1) ... [2023-11-19 04:45:57,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@228466b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:57, skipping insertion in model container [2023-11-19 04:45:57,517 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:45:57" (1/1) ... [2023-11-19 04:45:57,556 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:45:57,713 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_1122cd87-a97f-4542-a7d5-a85dd674da07/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-97.i[915,928] [2023-11-19 04:45:57,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:45:57,798 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:45:57,813 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_1122cd87-a97f-4542-a7d5-a85dd674da07/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-97.i[915,928] [2023-11-19 04:45:57,850 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:45:57,872 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:45:57,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:57 WrapperNode [2023-11-19 04:45:57,873 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:45:57,874 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:45:57,874 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:45:57,874 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:45:57,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:57" (1/1) ... [2023-11-19 04:45:57,906 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:57" (1/1) ... [2023-11-19 04:45:57,942 INFO L138 Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 181 [2023-11-19 04:45:57,943 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:45:57,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:45:57,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:45:57,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:45:57,955 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:57" (1/1) ... [2023-11-19 04:45:57,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:57" (1/1) ... [2023-11-19 04:45:57,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:57" (1/1) ... [2023-11-19 04:45:57,963 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:57" (1/1) ... [2023-11-19 04:45:57,978 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:57" (1/1) ... [2023-11-19 04:45:57,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:57" (1/1) ... [2023-11-19 04:45:57,998 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:57" (1/1) ... [2023-11-19 04:45:58,001 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:57" (1/1) ... [2023-11-19 04:45:58,006 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:45:58,007 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:45:58,007 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:45:58,008 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:45:58,009 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:57" (1/1) ... [2023-11-19 04:45:58,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:45:58,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:45:58,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:45:58,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:45:58,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:45:58,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:45:58,112 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:45:58,112 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:45:58,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:45:58,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:45:58,229 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:45:58,232 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:45:58,745 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:45:58,761 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:45:58,762 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:45:58,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:45:58 BoogieIcfgContainer [2023-11-19 04:45:58,768 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:45:58,771 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:45:58,772 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:45:58,775 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:45:58,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:45:57" (1/3) ... [2023-11-19 04:45:58,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520e7e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:45:58, skipping insertion in model container [2023-11-19 04:45:58,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:57" (2/3) ... [2023-11-19 04:45:58,778 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520e7e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:45:58, skipping insertion in model container [2023-11-19 04:45:58,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:45:58" (3/3) ... [2023-11-19 04:45:58,780 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-97.i [2023-11-19 04:45:58,801 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:45:58,801 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:45:58,870 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:45:58,879 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;@3b8770a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:45:58,880 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:45:58,886 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 49 states have (on average 1.346938775510204) internal successors, (66), 50 states have internal predecessors, (66), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-19 04:45:58,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-19 04:45:58,904 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:45:58,905 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:45:58,906 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:45:58,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:45:58,912 INFO L85 PathProgramCache]: Analyzing trace with hash 97194522, now seen corresponding path program 1 times [2023-11-19 04:45:58,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:45:58,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2002243984] [2023-11-19 04:45:58,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:45:58,955 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:45:58,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:45:58,960 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:45:58,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 04:45:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:45:59,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:45:59,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:45:59,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 516 proven. 0 refuted. 0 times theorem prover too weak. 1108 trivial. 0 not checked. [2023-11-19 04:45:59,389 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:45:59,389 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:45:59,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2002243984] [2023-11-19 04:45:59,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2002243984] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:45:59,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:45:59,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:45:59,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883508639] [2023-11-19 04:45:59,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:45:59,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:45:59,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:45:59,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:45:59,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:45:59,436 INFO L87 Difference]: Start difference. First operand has 81 states, 49 states have (on average 1.346938775510204) internal successors, (66), 50 states have internal predecessors, (66), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-19 04:45:59,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:45:59,475 INFO L93 Difference]: Finished difference Result 155 states and 271 transitions. [2023-11-19 04:45:59,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:45:59,477 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 181 [2023-11-19 04:45:59,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:45:59,486 INFO L225 Difference]: With dead ends: 155 [2023-11-19 04:45:59,486 INFO L226 Difference]: Without dead ends: 77 [2023-11-19 04:45:59,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:45:59,494 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:45:59,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:45:59,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-19 04:45:59,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-19 04:45:59,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 46 states have internal predecessors, (59), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-19 04:45:59,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 117 transitions. [2023-11-19 04:45:59,550 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 117 transitions. Word has length 181 [2023-11-19 04:45:59,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:45:59,551 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 117 transitions. [2023-11-19 04:45:59,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-19 04:45:59,552 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 117 transitions. [2023-11-19 04:45:59,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-19 04:45:59,556 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:45:59,557 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:45:59,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-19 04:45:59,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:45:59,762 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:45:59,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:45:59,763 INFO L85 PathProgramCache]: Analyzing trace with hash -843368556, now seen corresponding path program 1 times [2023-11-19 04:45:59,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:45:59,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [730054597] [2023-11-19 04:45:59,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:45:59,765 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:45:59,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:45:59,789 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:45:59,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 04:46:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:00,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:46:00,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:46:00,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 838 proven. 39 refuted. 0 times theorem prover too weak. 747 trivial. 0 not checked. [2023-11-19 04:46:00,447 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:46:00,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 45 proven. 39 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-11-19 04:46:00,745 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:46:00,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [730054597] [2023-11-19 04:46:00,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [730054597] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:46:00,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [371702935] [2023-11-19 04:46:00,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:00,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:46:00,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:46:00,760 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:46:00,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 04:46:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:01,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:46:01,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:46:01,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-11-19 04:46:01,141 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:46:01,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [371702935] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:46:01,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-19 04:46:01,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 6] total 9 [2023-11-19 04:46:01,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328149805] [2023-11-19 04:46:01,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:46:01,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:46:01,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:46:01,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:46:01,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-19 04:46:01,147 INFO L87 Difference]: Start difference. First operand 77 states and 117 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-19 04:46:01,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:46:01,274 INFO L93 Difference]: Finished difference Result 222 states and 339 transitions. [2023-11-19 04:46:01,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:46:01,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 181 [2023-11-19 04:46:01,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:46:01,284 INFO L225 Difference]: With dead ends: 222 [2023-11-19 04:46:01,286 INFO L226 Difference]: Without dead ends: 148 [2023-11-19 04:46:01,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 540 GetRequests, 532 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-19 04:46:01,293 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 106 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:46:01,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 316 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:46:01,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2023-11-19 04:46:01,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 85. [2023-11-19 04:46:01,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 54 states have (on average 1.2777777777777777) internal successors, (69), 54 states have internal predecessors, (69), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-19 04:46:01,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 127 transitions. [2023-11-19 04:46:01,319 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 127 transitions. Word has length 181 [2023-11-19 04:46:01,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:46:01,321 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 127 transitions. [2023-11-19 04:46:01,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-19 04:46:01,322 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 127 transitions. [2023-11-19 04:46:01,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-19 04:46:01,330 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:46:01,331 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:46:01,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:46:01,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-19 04:46:01,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt [2023-11-19 04:46:01,737 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:46:01,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:46:01,738 INFO L85 PathProgramCache]: Analyzing trace with hash -142303978, now seen corresponding path program 1 times [2023-11-19 04:46:01,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:46:01,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [278592998] [2023-11-19 04:46:01,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:01,740 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:46:01,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:46:01,746 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:46:01,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 04:46:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:01,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:46:01,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:46:02,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-11-19 04:46:02,421 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:46:02,421 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:46:02,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [278592998] [2023-11-19 04:46:02,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [278592998] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:46:02,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:46:02,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:46:02,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044923152] [2023-11-19 04:46:02,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:46:02,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:46:02,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:46:02,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:46:02,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:46:02,428 INFO L87 Difference]: Start difference. First operand 85 states and 127 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-19 04:46:02,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:46:02,868 INFO L93 Difference]: Finished difference Result 303 states and 460 transitions. [2023-11-19 04:46:02,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 04:46:02,870 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 181 [2023-11-19 04:46:02,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:46:02,878 INFO L225 Difference]: With dead ends: 303 [2023-11-19 04:46:02,878 INFO L226 Difference]: Without dead ends: 221 [2023-11-19 04:46:02,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-19 04:46:02,884 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 144 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 04:46:02,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 545 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 04:46:02,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2023-11-19 04:46:02,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 163. [2023-11-19 04:46:02,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 102 states have (on average 1.2647058823529411) internal successors, (129), 102 states have internal predecessors, (129), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-19 04:46:02,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 245 transitions. [2023-11-19 04:46:02,962 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 245 transitions. Word has length 181 [2023-11-19 04:46:02,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:46:02,963 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 245 transitions. [2023-11-19 04:46:02,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-19 04:46:02,964 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 245 transitions. [2023-11-19 04:46:02,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-19 04:46:02,968 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:46:02,968 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:46:02,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-19 04:46:03,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:46:03,174 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:46:03,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:46:03,175 INFO L85 PathProgramCache]: Analyzing trace with hash 207009668, now seen corresponding path program 1 times [2023-11-19 04:46:03,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:46:03,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [643922624] [2023-11-19 04:46:03,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:03,177 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:46:03,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:46:03,178 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:46:03,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-19 04:46:03,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:03,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:46:03,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:46:03,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 838 proven. 39 refuted. 0 times theorem prover too weak. 747 trivial. 0 not checked. [2023-11-19 04:46:03,581 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:46:03,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 45 proven. 39 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-11-19 04:46:03,799 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:46:03,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [643922624] [2023-11-19 04:46:03,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [643922624] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:46:03,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1310722393] [2023-11-19 04:46:03,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:03,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:46:03,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:46:03,808 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:46:03,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-19 04:46:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:04,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:46:04,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:46:04,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-11-19 04:46:04,604 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:46:04,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1310722393] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:46:04,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-19 04:46:04,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 6] total 11 [2023-11-19 04:46:04,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351900047] [2023-11-19 04:46:04,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:46:04,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:46:04,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:46:04,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:46:04,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-19 04:46:04,607 INFO L87 Difference]: Start difference. First operand 163 states and 245 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-19 04:46:05,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:46:05,454 INFO L93 Difference]: Finished difference Result 383 states and 580 transitions. [2023-11-19 04:46:05,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 04:46:05,455 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 182 [2023-11-19 04:46:05,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:46:05,460 INFO L225 Difference]: With dead ends: 383 [2023-11-19 04:46:05,460 INFO L226 Difference]: Without dead ends: 301 [2023-11-19 04:46:05,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 546 GetRequests, 534 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-11-19 04:46:05,462 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 178 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-19 04:46:05,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 784 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-19 04:46:05,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2023-11-19 04:46:05,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 241. [2023-11-19 04:46:05,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 150 states have (on average 1.2666666666666666) internal successors, (190), 150 states have internal predecessors, (190), 87 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2023-11-19 04:46:05,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 364 transitions. [2023-11-19 04:46:05,526 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 364 transitions. Word has length 182 [2023-11-19 04:46:05,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:46:05,528 INFO L495 AbstractCegarLoop]: Abstraction has 241 states and 364 transitions. [2023-11-19 04:46:05,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-19 04:46:05,529 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 364 transitions. [2023-11-19 04:46:05,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-19 04:46:05,534 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:46:05,535 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:46:05,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-19 04:46:05,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-19 04:46:05,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt [2023-11-19 04:46:05,941 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:46:05,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:46:05,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1011649305, now seen corresponding path program 1 times [2023-11-19 04:46:05,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:46:05,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1113451338] [2023-11-19 04:46:05,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:05,943 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:46:05,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:46:05,944 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:46:05,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-19 04:46:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:06,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:46:06,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:46:07,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-11-19 04:46:07,116 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:46:07,119 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:46:07,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1113451338] [2023-11-19 04:46:07,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1113451338] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:46:07,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:46:07,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:46:07,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007552150] [2023-11-19 04:46:07,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:46:07,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:46:07,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:46:07,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:46:07,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:46:07,130 INFO L87 Difference]: Start difference. First operand 241 states and 364 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-19 04:46:07,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:46:07,503 INFO L93 Difference]: Finished difference Result 566 states and 851 transitions. [2023-11-19 04:46:07,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 04:46:07,504 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 182 [2023-11-19 04:46:07,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:46:07,510 INFO L225 Difference]: With dead ends: 566 [2023-11-19 04:46:07,510 INFO L226 Difference]: Without dead ends: 328 [2023-11-19 04:46:07,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-19 04:46:07,513 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 77 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 04:46:07,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 359 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 04:46:07,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2023-11-19 04:46:07,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 319. [2023-11-19 04:46:07,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 198 states have (on average 1.2525252525252526) internal successors, (248), 198 states have internal predecessors, (248), 116 states have call successors, (116), 4 states have call predecessors, (116), 4 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2023-11-19 04:46:07,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 480 transitions. [2023-11-19 04:46:07,607 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 480 transitions. Word has length 182 [2023-11-19 04:46:07,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:46:07,608 INFO L495 AbstractCegarLoop]: Abstraction has 319 states and 480 transitions. [2023-11-19 04:46:07,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-19 04:46:07,608 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 480 transitions. [2023-11-19 04:46:07,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-19 04:46:07,611 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:46:07,611 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:46:07,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-19 04:46:07,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:46:07,817 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:46:07,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:46:07,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1351706261, now seen corresponding path program 1 times [2023-11-19 04:46:07,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:46:07,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1457327543] [2023-11-19 04:46:07,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:07,818 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:46:07,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:46:07,820 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:46:07,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1122cd87-a97f-4542-a7d5-a85dd674da07/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-19 04:46:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:08,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 04:46:08,401 INFO L285 TraceCheckSpWp]: Computing forward predicates...