./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-61.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c87c35ab7f46dfa906881dc78cf3989a4c72119f7f55258ddc47878726c0a4a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:33:50,921 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:33:51,001 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:33:51,008 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:33:51,008 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:33:51,038 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:33:51,039 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:33:51,040 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:33:51,041 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:33:51,042 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:33:51,043 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:33:51,044 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:33:51,044 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:33:51,045 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:33:51,046 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:33:51,047 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:33:51,047 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:33:51,048 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:33:51,049 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:33:51,049 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:33:51,050 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:33:51,051 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:33:51,052 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:33:51,052 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:33:51,053 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:33:51,054 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:33:51,054 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:33:51,055 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:33:51,055 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:33:51,056 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:33:51,056 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:33:51,057 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:33:51,058 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:33:51,058 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:33:51,059 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:33:51,059 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:33:51,060 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:33:51,060 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:33:51,061 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:33:51,061 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:33:51,061 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:33:51,062 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:33:51,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:33:51,063 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:33:51,063 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:33:51,063 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:33:51,064 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:33:51,064 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_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c87c35ab7f46dfa906881dc78cf3989a4c72119f7f55258ddc47878726c0a4a [2023-11-23 20:33:51,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:33:51,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:33:51,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:33:51,431 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:33:51,431 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:33:51,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-61.i [2023-11-23 20:33:54,904 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:33:55,212 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:33:55,213 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-61.i [2023-11-23 20:33:55,233 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/data/0b8651931/eff74026c197419d9d30c4957c453f44/FLAG3b0eb1dbc [2023-11-23 20:33:55,253 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/data/0b8651931/eff74026c197419d9d30c4957c453f44 [2023-11-23 20:33:55,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:33:55,262 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:33:55,266 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:33:55,266 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:33:55,271 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:33:55,272 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:33:55" (1/1) ... [2023-11-23 20:33:55,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14296455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:55, skipping insertion in model container [2023-11-23 20:33:55,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:33:55" (1/1) ... [2023-11-23 20:33:55,330 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:33:55,487 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_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-61.i[915,928] [2023-11-23 20:33:55,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:33:55,600 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:33:55,614 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_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-61.i[915,928] [2023-11-23 20:33:55,661 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:33:55,681 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:33:55,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:55 WrapperNode [2023-11-23 20:33:55,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:33:55,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:33:55,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:33:55,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:33:55,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:55" (1/1) ... [2023-11-23 20:33:55,704 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:55" (1/1) ... [2023-11-23 20:33:55,771 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 213 [2023-11-23 20:33:55,772 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:33:55,773 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:33:55,774 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:33:55,774 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:33:55,785 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:55" (1/1) ... [2023-11-23 20:33:55,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:55" (1/1) ... [2023-11-23 20:33:55,792 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:55" (1/1) ... [2023-11-23 20:33:55,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:55" (1/1) ... [2023-11-23 20:33:55,822 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:55" (1/1) ... [2023-11-23 20:33:55,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:55" (1/1) ... [2023-11-23 20:33:55,845 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:55" (1/1) ... [2023-11-23 20:33:55,854 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:55" (1/1) ... [2023-11-23 20:33:55,859 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:33:55,862 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:33:55,862 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:33:55,862 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:33:55,863 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:55" (1/1) ... [2023-11-23 20:33:55,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:33:55,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:55,912 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:33:55,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:33:55,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:33:55,958 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:33:55,959 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:33:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:33:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:33:55,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:33:56,070 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:33:56,073 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:33:56,552 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:33:57,051 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:33:57,051 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:33:57,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:57 BoogieIcfgContainer [2023-11-23 20:33:57,054 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:33:57,057 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:33:57,058 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:33:57,063 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:33:57,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:33:55" (1/3) ... [2023-11-23 20:33:57,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a2693a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:33:57, skipping insertion in model container [2023-11-23 20:33:57,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:55" (2/3) ... [2023-11-23 20:33:57,067 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a2693a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:33:57, skipping insertion in model container [2023-11-23 20:33:57,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:57" (3/3) ... [2023-11-23 20:33:57,069 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-61.i [2023-11-23 20:33:57,094 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:33:57,095 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:33:57,177 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:33:57,186 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;@52bcf9ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:33:57,188 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:33:57,193 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 20:33:57,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-23 20:33:57,212 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:57,214 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:57,215 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:57,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:57,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1072345854, now seen corresponding path program 1 times [2023-11-23 20:33:57,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:57,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16824882] [2023-11-23 20:33:57,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:57,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:57,483 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:33:57,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [223851676] [2023-11-23 20:33:57,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:57,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:57,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:57,489 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:33:57,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 20:33:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:33:57,838 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:33:58,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:33:58,159 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:33:58,162 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:33:58,163 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:33:58,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:58,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 20:33:58,380 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 20:33:58,385 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:33:58,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:33:58 BoogieIcfgContainer [2023-11-23 20:33:58,579 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:33:58,580 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:33:58,580 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:33:58,580 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:33:58,581 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:57" (3/4) ... [2023-11-23 20:33:58,583 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:33:58,585 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:33:58,586 INFO L158 Benchmark]: Toolchain (without parser) took 3324.08ms. Allocated memory is still 169.9MB. Free memory was 125.9MB in the beginning and 115.3MB in the end (delta: 10.6MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2023-11-23 20:33:58,587 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 115.3MB. Free memory was 90.9MB in the beginning and 90.8MB in the end (delta: 84.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:33:58,588 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.41ms. Allocated memory is still 169.9MB. Free memory was 125.5MB in the beginning and 111.7MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:33:58,589 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.84ms. Allocated memory is still 169.9MB. Free memory was 111.7MB in the beginning and 108.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:33:58,589 INFO L158 Benchmark]: Boogie Preprocessor took 86.36ms. Allocated memory is still 169.9MB. Free memory was 108.4MB in the beginning and 106.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:33:58,590 INFO L158 Benchmark]: RCFGBuilder took 1192.27ms. Allocated memory is still 169.9MB. Free memory was 106.3MB in the beginning and 99.2MB in the end (delta: 7.2MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2023-11-23 20:33:58,591 INFO L158 Benchmark]: TraceAbstraction took 1522.15ms. Allocated memory is still 169.9MB. Free memory was 98.4MB in the beginning and 115.3MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:33:58,592 INFO L158 Benchmark]: Witness Printer took 5.21ms. Allocated memory is still 169.9MB. Free memory is still 115.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:33:58,596 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 115.3MB. Free memory was 90.9MB in the beginning and 90.8MB in the end (delta: 84.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.41ms. Allocated memory is still 169.9MB. Free memory was 125.5MB in the beginning and 111.7MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.84ms. Allocated memory is still 169.9MB. Free memory was 111.7MB in the beginning and 108.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.36ms. Allocated memory is still 169.9MB. Free memory was 108.4MB in the beginning and 106.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1192.27ms. Allocated memory is still 169.9MB. Free memory was 106.3MB in the beginning and 99.2MB in the end (delta: 7.2MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1522.15ms. Allocated memory is still 169.9MB. Free memory was 98.4MB in the beginning and 115.3MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.21ms. Allocated memory is still 169.9MB. Free memory is still 115.3MB. 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 161, overapproximation of bitwiseOr at line 79, overapproximation of bitwiseAnd at line 58, overapproximation of someBinaryArithmeticDOUBLEoperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 161. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 8.5; [L23] unsigned long int var_1_4 = 1; [L24] unsigned long int var_1_5 = 50; [L25] unsigned long int var_1_6 = 4; [L26] float var_1_7 = 15.8; [L27] float var_1_8 = 64.25; [L28] signed long int var_1_9 = -50; [L29] unsigned char var_1_13 = 1; [L30] unsigned long int var_1_14 = 3207304078; [L31] unsigned long int var_1_15 = 50; [L32] unsigned long int var_1_16 = 25; [L33] unsigned char var_1_17 = 1; [L34] unsigned char var_1_18 = 0; [L35] unsigned char var_1_19 = 0; [L36] unsigned short int var_1_20 = 1; [L37] unsigned long int var_1_21 = 50; [L38] signed char var_1_22 = -4; [L39] signed char var_1_23 = -10; [L40] unsigned long int var_1_24 = 2; [L41] unsigned long int var_1_25 = 2; [L42] unsigned long int var_1_26 = 1; [L43] unsigned short int var_1_27 = 256; [L44] unsigned short int var_1_28 = 10; [L45] unsigned short int var_1_29 = 16; [L46] signed long int var_1_30 = -16; [L47] unsigned char var_1_31 = 0; [L48] unsigned char var_1_32 = 32; [L49] unsigned char var_1_33 = 5; [L50] signed long int last_1_var_1_9 = -50; [L165] isInitial = 1 [L166] FCALL initially() [L167] COND TRUE 1 [L168] CALL updateLastVariables() [L158] last_1_var_1_9 = var_1_9 [L168] RET updateLastVariables() [L169] CALL updateVariables() [L114] var_1_5 = __VERIFIER_nondet_ulong() [L115] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L116] CALL assume_abort_if_not(var_1_5 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_5 <= 4294967294) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L117] var_1_6 = __VERIFIER_nondet_ulong() [L118] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L119] CALL assume_abort_if_not(var_1_6 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_6 <= 4294967294) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L120] var_1_8 = __VERIFIER_nondet_float() [L121] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L122] var_1_14 = __VERIFIER_nondet_ulong() [L123] CALL assume_abort_if_not(var_1_14 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_14 >= 2147483647) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L124] CALL assume_abort_if_not(var_1_14 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_14 <= 4294967295) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L125] var_1_15 = __VERIFIER_nondet_ulong() [L126] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L127] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L128] var_1_16 = __VERIFIER_nondet_ulong() [L129] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L130] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L131] var_1_17 = __VERIFIER_nondet_uchar() [L132] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L133] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L134] var_1_18 = __VERIFIER_nondet_uchar() [L135] CALL assume_abort_if_not(var_1_18 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_18 >= 1) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L136] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L137] var_1_20 = __VERIFIER_nondet_ushort() [L138] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L139] CALL assume_abort_if_not(var_1_20 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_20 <= 65535) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L140] CALL assume_abort_if_not(var_1_20 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_20 != 0) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L141] var_1_23 = __VERIFIER_nondet_char() [L142] CALL assume_abort_if_not(var_1_23 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=6, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_23 >= -127) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=6, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L143] CALL assume_abort_if_not(var_1_23 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=6, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_23 <= 126) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=6, var_1_24=2, var_1_25=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L144] var_1_25 = __VERIFIER_nondet_ulong() [L145] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=6, var_1_24=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=6, var_1_24=2, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L146] CALL assume_abort_if_not(var_1_25 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=6, var_1_24=2, var_1_25=0, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_25 <= 4294967294) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=6, var_1_24=2, var_1_25=0, var_1_26=1, var_1_27=256, var_1_28=10, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L147] var_1_28 = __VERIFIER_nondet_ushort() [L148] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=6, var_1_24=2, var_1_25=0, var_1_26=1, var_1_27=256, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=6, var_1_24=2, var_1_25=0, var_1_26=1, var_1_27=256, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L149] CALL assume_abort_if_not(var_1_28 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=6, var_1_24=2, var_1_25=0, var_1_26=1, var_1_27=256, var_1_28=0, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_28 <= 65534) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=6, var_1_24=2, var_1_25=0, var_1_26=1, var_1_27=256, var_1_28=0, var_1_29=16, var_1_30=-16, var_1_31=0, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L150] var_1_31 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=6, var_1_24=2, var_1_25=0, var_1_26=1, var_1_27=256, var_1_28=0, var_1_29=16, var_1_30=-16, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=6, var_1_24=2, var_1_25=0, var_1_26=1, var_1_27=256, var_1_28=0, var_1_29=16, var_1_30=-16, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L152] CALL assume_abort_if_not(var_1_31 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=6, var_1_24=2, var_1_25=0, var_1_26=1, var_1_27=256, var_1_28=0, var_1_29=16, var_1_30=-16, var_1_31=1, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_31 <= 1) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=6, var_1_24=2, var_1_25=0, var_1_26=1, var_1_27=256, var_1_28=0, var_1_29=16, var_1_30=-16, var_1_31=1, var_1_32=32, var_1_33=5, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L153] var_1_33 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=6, var_1_24=2, var_1_25=0, var_1_26=1, var_1_27=256, var_1_28=0, var_1_29=16, var_1_30=-16, var_1_31=1, var_1_32=32, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=6, var_1_24=2, var_1_25=0, var_1_26=1, var_1_27=256, var_1_28=0, var_1_29=16, var_1_30=-16, var_1_31=1, var_1_32=32, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L155] CALL assume_abort_if_not(var_1_33 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=6, var_1_24=2, var_1_25=0, var_1_26=1, var_1_27=256, var_1_28=0, var_1_29=16, var_1_30=-16, var_1_31=1, var_1_32=32, var_1_33=0, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_33 <= 254) VAL [isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=2, var_1_21=50, var_1_22=-4, var_1_23=6, var_1_24=2, var_1_25=0, var_1_26=1, var_1_27=256, var_1_28=0, var_1_29=16, var_1_30=-16, var_1_31=1, var_1_32=32, var_1_33=0, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_9=-50] [L169] RET updateVariables() [L170] CALL step() [L54] var_1_24 = var_1_25 [L55] var_1_26 = var_1_25 [L56] var_1_27 = var_1_28 [L57] var_1_29 = var_1_28 [L58] EXPR var_1_29 & var_1_27 [L58] COND TRUE var_1_24 <= (var_1_29 & var_1_27) [L59] COND TRUE \read(var_1_31) [L60] var_1_30 = var_1_27 [L63] var_1_32 = var_1_33 [L64] signed long int stepLocal_0 = last_1_var_1_9; [L65] COND FALSE !(stepLocal_0 < last_1_var_1_9) [L68] var_1_21 = var_1_6 [L69] var_1_22 = var_1_23 [L70] COND FALSE !((var_1_21 / ((((64u) < 0 ) ? -(64u) : (64u)))) == var_1_4) [L73] unsigned long int stepLocal_4 = 4256310412u - 128u; [L74] COND FALSE !(var_1_4 >= stepLocal_4) [L77] signed long int stepLocal_3 = var_1_9; [L78] unsigned long int stepLocal_2 = (((var_1_21) > (var_1_5)) ? (var_1_21) : (var_1_5)); [L79] EXPR var_1_21 ^ 4u [L79] unsigned long int stepLocal_1 = var_1_21 ^ 4u; [L80] COND TRUE var_1_9 <= stepLocal_2 [L81] COND TRUE stepLocal_3 < var_1_5 [L82] COND FALSE !(var_1_9 >= stepLocal_1) [L91] COND FALSE !(var_1_21 >= (var_1_14 - ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) [L98] var_1_13 = var_1_18 [L100] signed long int stepLocal_5 = (var_1_22 / 2) / var_1_20; [L101] COND TRUE stepLocal_5 >= (~ 100) [L102] COND TRUE \read(var_1_13) [L103] var_1_19 = (var_1_17 && var_1_18) [L170] RET step() [L171] CALL, EXPR property() [L161] EXPR ((((var_1_21 / ((((64u) < 0 ) ? -(64u) : (64u)))) == var_1_4) ? (var_1_1 == ((double) (8.8 - 255.2))) : 1) && ((last_1_var_1_9 < last_1_var_1_9) ? (var_1_4 == ((unsigned long int) ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) : 1)) && ((var_1_9 <= ((((var_1_21) > (var_1_5)) ? (var_1_21) : (var_1_5)))) ? ((var_1_9 < var_1_5) ? ((var_1_9 >= (var_1_21 ^ 4u)) ? (var_1_7 == ((float) var_1_8)) : 1) : (var_1_7 == ((float) var_1_8))) : (var_1_7 == ((float) var_1_8))) [L161] EXPR (var_1_9 <= ((((var_1_21) > (var_1_5)) ? (var_1_21) : (var_1_5)))) ? ((var_1_9 < var_1_5) ? ((var_1_9 >= (var_1_21 ^ 4u)) ? (var_1_7 == ((float) var_1_8)) : 1) : (var_1_7 == ((float) var_1_8))) : (var_1_7 == ((float) var_1_8)) [L161] EXPR (var_1_9 < var_1_5) ? ((var_1_9 >= (var_1_21 ^ 4u)) ? (var_1_7 == ((float) var_1_8)) : 1) : (var_1_7 == ((float) var_1_8)) [L161] EXPR var_1_21 ^ 4u [L161] EXPR (var_1_9 < var_1_5) ? ((var_1_9 >= (var_1_21 ^ 4u)) ? (var_1_7 == ((float) var_1_8)) : 1) : (var_1_7 == ((float) var_1_8)) [L161] EXPR (var_1_9 <= ((((var_1_21) > (var_1_5)) ? (var_1_21) : (var_1_5)))) ? ((var_1_9 < var_1_5) ? ((var_1_9 >= (var_1_21 ^ 4u)) ? (var_1_7 == ((float) var_1_8)) : 1) : (var_1_7 == ((float) var_1_8))) : (var_1_7 == ((float) var_1_8)) [L161] EXPR ((((var_1_21 / ((((64u) < 0 ) ? -(64u) : (64u)))) == var_1_4) ? (var_1_1 == ((double) (8.8 - 255.2))) : 1) && ((last_1_var_1_9 < last_1_var_1_9) ? (var_1_4 == ((unsigned long int) ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) : 1)) && ((var_1_9 <= ((((var_1_21) > (var_1_5)) ? (var_1_21) : (var_1_5)))) ? ((var_1_9 < var_1_5) ? ((var_1_9 >= (var_1_21 ^ 4u)) ? (var_1_7 == ((float) var_1_8)) : 1) : (var_1_7 == ((float) var_1_8))) : (var_1_7 == ((float) var_1_8))) [L161-L162] return (((((((((var_1_21 / ((((64u) < 0 ) ? -(64u) : (64u)))) == var_1_4) ? (var_1_1 == ((double) (8.8 - 255.2))) : 1) && ((last_1_var_1_9 < last_1_var_1_9) ? (var_1_4 == ((unsigned long int) ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) : 1)) && ((var_1_9 <= ((((var_1_21) > (var_1_5)) ? (var_1_21) : (var_1_5)))) ? ((var_1_9 < var_1_5) ? ((var_1_9 >= (var_1_21 ^ 4u)) ? (var_1_7 == ((float) var_1_8)) : 1) : (var_1_7 == ((float) var_1_8))) : (var_1_7 == ((float) var_1_8)))) && ((var_1_4 >= (4256310412u - 128u)) ? (var_1_9 == ((signed long int) (((((var_1_22 + var_1_22) < 0 ) ? -(var_1_22 + var_1_22) : (var_1_22 + var_1_22))) + var_1_22))) : 1)) && ((var_1_21 >= (var_1_14 - ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) ? ((var_1_16 < var_1_9) ? (var_1_13 == ((unsigned char) var_1_17)) : (var_1_13 == ((unsigned char) var_1_17))) : (var_1_13 == ((unsigned char) var_1_18)))) && ((((var_1_22 / 2) / var_1_20) >= (~ 100)) ? (var_1_13 ? (var_1_19 == ((unsigned char) (var_1_17 && var_1_18))) : 1) : (var_1_17 ? (var_1_19 == ((unsigned char) var_1_18)) : (var_1_19 == ((unsigned char) var_1_18))))) && (var_1_21 == ((unsigned long int) var_1_6))) && (var_1_22 == ((signed char) var_1_23)) ; [L171] RET, EXPR property() [L171] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=17/2, var_1_20=2, var_1_21=4294967243, var_1_22=6, var_1_23=6, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=1, var_1_32=0, var_1_33=0, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_8=0, var_1_9=-50] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=-50, var_1_13=1, var_1_14=4294967244, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=17/2, var_1_20=2, var_1_21=4294967243, var_1_22=6, var_1_23=6, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=1, var_1_32=0, var_1_33=0, var_1_4=1, var_1_5=4294967247, var_1_6=4294967243, var_1_7=79/5, var_1_8=0, var_1_9=-50] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 28, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:33:58,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c87c35ab7f46dfa906881dc78cf3989a4c72119f7f55258ddc47878726c0a4a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:34:01,819 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:34:01,938 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 20:34:01,945 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:34:01,946 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:34:01,983 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:34:01,984 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:34:01,985 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:34:01,986 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:34:01,986 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:34:01,987 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:34:01,988 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:34:01,988 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:34:01,989 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:34:01,990 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:34:01,990 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:34:01,991 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:34:01,992 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:34:01,993 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:34:01,993 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:34:01,994 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:34:01,996 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:34:01,996 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:34:01,997 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:34:01,997 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:34:01,998 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:34:01,998 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:34:01,999 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:34:02,002 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:34:02,002 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:34:02,003 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:34:02,003 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:34:02,004 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:34:02,004 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:34:02,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:34:02,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:34:02,006 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:34:02,006 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:34:02,006 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:34:02,007 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:34:02,007 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:34:02,009 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:34:02,010 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:34:02,010 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:34:02,013 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_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c87c35ab7f46dfa906881dc78cf3989a4c72119f7f55258ddc47878726c0a4a [2023-11-23 20:34:02,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:34:02,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:34:02,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:34:02,561 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:34:02,562 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:34:02,564 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-61.i [2023-11-23 20:34:06,532 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:34:06,882 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:34:06,883 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-61.i [2023-11-23 20:34:06,897 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/data/eb2277994/4bb901f0b4ab43799f610e081b1606aa/FLAGc0e9e9ee7 [2023-11-23 20:34:06,923 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/data/eb2277994/4bb901f0b4ab43799f610e081b1606aa [2023-11-23 20:34:06,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:34:06,937 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:34:06,940 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:34:06,940 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:34:06,946 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:34:06,947 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:34:06" (1/1) ... [2023-11-23 20:34:06,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4df23d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:06, skipping insertion in model container [2023-11-23 20:34:06,948 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:34:06" (1/1) ... [2023-11-23 20:34:06,996 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:34:07,201 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_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-61.i[915,928] [2023-11-23 20:34:07,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:34:07,316 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:34:07,343 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_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-61.i[915,928] [2023-11-23 20:34:07,430 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:34:07,469 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:34:07,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:07 WrapperNode [2023-11-23 20:34:07,470 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:34:07,472 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:34:07,472 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:34:07,472 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:34:07,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:07" (1/1) ... [2023-11-23 20:34:07,518 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:07" (1/1) ... [2023-11-23 20:34:07,571 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 173 [2023-11-23 20:34:07,583 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:34:07,584 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:34:07,585 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:34:07,585 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:34:07,598 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:07" (1/1) ... [2023-11-23 20:34:07,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:07" (1/1) ... [2023-11-23 20:34:07,614 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:07" (1/1) ... [2023-11-23 20:34:07,618 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:07" (1/1) ... [2023-11-23 20:34:07,641 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:07" (1/1) ... [2023-11-23 20:34:07,660 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:07" (1/1) ... [2023-11-23 20:34:07,663 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:07" (1/1) ... [2023-11-23 20:34:07,677 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:07" (1/1) ... [2023-11-23 20:34:07,683 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:34:07,688 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:34:07,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:34:07,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:34:07,690 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:07" (1/1) ... [2023-11-23 20:34:07,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:34:07,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:34:07,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:34:07,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:34:07,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:34:07,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:34:07,796 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:34:07,796 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:34:07,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:34:07,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:34:07,994 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:34:07,996 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:34:08,932 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:34:09,045 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:34:09,045 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:34:09,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:34:09 BoogieIcfgContainer [2023-11-23 20:34:09,046 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:34:09,051 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:34:09,051 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:34:09,055 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:34:09,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:34:06" (1/3) ... [2023-11-23 20:34:09,056 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6778cc1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:34:09, skipping insertion in model container [2023-11-23 20:34:09,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:07" (2/3) ... [2023-11-23 20:34:09,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6778cc1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:34:09, skipping insertion in model container [2023-11-23 20:34:09,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:34:09" (3/3) ... [2023-11-23 20:34:09,062 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-61.i [2023-11-23 20:34:09,082 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:34:09,082 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:34:09,154 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:34:09,162 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;@4882cb36, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:34:09,163 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:34:09,169 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 43 states have internal predecessors, (60), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 20:34:09,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-23 20:34:09,191 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:34:09,192 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:34:09,193 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:34:09,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:34:09,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1965560201, now seen corresponding path program 1 times [2023-11-23 20:34:09,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:34:09,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [76502930] [2023-11-23 20:34:09,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:09,219 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:34:09,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:34:09,223 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:34:09,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 20:34:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:34:09,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:34:09,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:34:09,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 758 proven. 0 refuted. 0 times theorem prover too weak. 754 trivial. 0 not checked. [2023-11-23 20:34:09,817 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:34:09,819 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:34:09,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [76502930] [2023-11-23 20:34:09,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [76502930] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:34:09,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:34:09,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:34:09,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815619107] [2023-11-23 20:34:09,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:34:09,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:34:09,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:34:09,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:34:09,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:34:09,889 INFO L87 Difference]: Start difference. First operand has 73 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 43 states have internal predecessors, (60), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 20:34:10,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:34:10,061 INFO L93 Difference]: Finished difference Result 143 states and 258 transitions. [2023-11-23 20:34:10,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:34:10,072 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 172 [2023-11-23 20:34:10,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:34:10,083 INFO L225 Difference]: With dead ends: 143 [2023-11-23 20:34:10,083 INFO L226 Difference]: Without dead ends: 71 [2023-11-23 20:34:10,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:34:10,095 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:34:10,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:34:10,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-23 20:34:10,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-23 20:34:10,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 41 states have internal predecessors, (55), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 20:34:10,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 111 transitions. [2023-11-23 20:34:10,166 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 111 transitions. Word has length 172 [2023-11-23 20:34:10,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:34:10,167 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 111 transitions. [2023-11-23 20:34:10,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 20:34:10,168 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 111 transitions. [2023-11-23 20:34:10,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-23 20:34:10,174 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:34:10,174 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:34:10,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-23 20:34:10,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:34:10,385 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:34:10,386 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:34:10,386 INFO L85 PathProgramCache]: Analyzing trace with hash 65339127, now seen corresponding path program 1 times [2023-11-23 20:34:10,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:34:10,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [750998988] [2023-11-23 20:34:10,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:10,389 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:34:10,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:34:10,391 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:34:10,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 20:34:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:34:10,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:34:10,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:34:11,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-23 20:34:11,893 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:34:11,894 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:34:11,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [750998988] [2023-11-23 20:34:11,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [750998988] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:34:11,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:34:11,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 20:34:11,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897718920] [2023-11-23 20:34:11,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:34:11,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 20:34:11,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:34:11,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 20:34:11,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:34:11,910 INFO L87 Difference]: Start difference. First operand 71 states and 111 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 20:34:12,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:34:12,744 INFO L93 Difference]: Finished difference Result 227 states and 355 transitions. [2023-11-23 20:34:12,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:34:12,753 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 172 [2023-11-23 20:34:12,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:34:12,758 INFO L225 Difference]: With dead ends: 227 [2023-11-23 20:34:12,758 INFO L226 Difference]: Without dead ends: 157 [2023-11-23 20:34:12,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-23 20:34:12,761 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 110 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 20:34:12,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 354 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 20:34:12,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2023-11-23 20:34:12,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 139. [2023-11-23 20:34:12,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 80 states have (on average 1.3375) internal successors, (107), 80 states have internal predecessors, (107), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-23 20:34:12,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 219 transitions. [2023-11-23 20:34:12,809 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 219 transitions. Word has length 172 [2023-11-23 20:34:12,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:34:12,811 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 219 transitions. [2023-11-23 20:34:12,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 20:34:12,811 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 219 transitions. [2023-11-23 20:34:12,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-23 20:34:12,815 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:34:12,815 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:34:12,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:34:13,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:34:13,024 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:34:13,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:34:13,025 INFO L85 PathProgramCache]: Analyzing trace with hash -945778123, now seen corresponding path program 1 times [2023-11-23 20:34:13,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:34:13,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [761111388] [2023-11-23 20:34:13,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:13,026 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:34:13,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:34:13,034 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:34:13,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 20:34:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:34:13,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:34:13,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:34:14,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-23 20:34:14,229 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:34:14,229 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:34:14,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [761111388] [2023-11-23 20:34:14,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [761111388] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:34:14,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:34:14,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:34:14,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959721044] [2023-11-23 20:34:14,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:34:14,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 20:34:14,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:34:14,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 20:34:14,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 20:34:14,233 INFO L87 Difference]: Start difference. First operand 139 states and 219 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 20:34:14,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:34:14,726 INFO L93 Difference]: Finished difference Result 141 states and 220 transitions. [2023-11-23 20:34:14,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 20:34:14,737 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 172 [2023-11-23 20:34:14,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:34:14,740 INFO L225 Difference]: With dead ends: 141 [2023-11-23 20:34:14,740 INFO L226 Difference]: Without dead ends: 71 [2023-11-23 20:34:14,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 20:34:14,746 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 47 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 20:34:14,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 130 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 20:34:14,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-23 20:34:14,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-23 20:34:14,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 41 states have internal predecessors, (53), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 20:34:14,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 109 transitions. [2023-11-23 20:34:14,776 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 109 transitions. Word has length 172 [2023-11-23 20:34:14,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:34:14,777 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 109 transitions. [2023-11-23 20:34:14,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 20:34:14,778 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 109 transitions. [2023-11-23 20:34:14,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-23 20:34:14,790 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:34:14,791 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:34:14,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-23 20:34:14,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:34:14,999 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:34:15,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:34:15,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1338805133, now seen corresponding path program 1 times [2023-11-23 20:34:15,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:34:15,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [66333508] [2023-11-23 20:34:15,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:15,002 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:34:15,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:34:15,004 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:34:15,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe13947-169b-4fbd-bd02-4d308fdbc3cb/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-23 20:34:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:34:15,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-23 20:34:15,428 INFO L285 TraceCheckSpWp]: Computing forward predicates...