./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX --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 8f23a76680a88b4e3582239a1d89eab7ec3ee1b0bc583f7f275d3fe6394371a3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:11:41,111 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:11:41,258 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:11:41,268 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:11:41,270 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:11:41,316 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:11:41,317 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:11:41,318 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:11:41,319 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:11:41,325 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:11:41,326 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:11:41,327 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:11:41,328 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:11:41,330 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:11:41,330 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:11:41,331 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:11:41,331 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:11:41,332 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:11:41,334 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:11:41,334 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:11:41,335 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:11:41,336 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:11:41,337 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:11:41,338 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:11:41,339 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:11:41,339 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:11:41,340 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:11:41,340 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:11:41,341 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:11:41,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:11:41,343 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:11:41,344 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:11:41,344 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:11:41,344 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:11:41,345 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:11:41,345 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:11:41,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:11:41,346 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:11:41,347 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:11:41,348 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:11:41,348 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:11:41,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:11:41,349 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:11:41,349 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:11:41,350 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:11:41,350 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_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f23a76680a88b4e3582239a1d89eab7ec3ee1b0bc583f7f275d3fe6394371a3 [2023-11-12 00:11:41,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:11:41,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:11:41,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:11:41,745 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:11:41,745 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:11:41,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i [2023-11-12 00:11:44,908 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:11:45,209 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:11:45,210 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i [2023-11-12 00:11:45,224 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/data/950ab2918/abdedb46150847b280ec58094ee56913/FLAG2d0dcd58f [2023-11-12 00:11:45,245 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/data/950ab2918/abdedb46150847b280ec58094ee56913 [2023-11-12 00:11:45,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:11:45,254 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:11:45,257 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:11:45,257 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:11:45,264 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:11:45,265 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:11:45" (1/1) ... [2023-11-12 00:11:45,266 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fb7d651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:45, skipping insertion in model container [2023-11-12 00:11:45,266 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:11:45" (1/1) ... [2023-11-12 00:11:45,321 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:11:45,546 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_331a96a6-85c9-48cf-afda-11d14e33bb2c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i[917,930] [2023-11-12 00:11:45,618 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:11:45,637 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:11:45,652 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_331a96a6-85c9-48cf-afda-11d14e33bb2c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i[917,930] [2023-11-12 00:11:45,721 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:11:45,744 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:11:45,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:45 WrapperNode [2023-11-12 00:11:45,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:11:45,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:11:45,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:11:45,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:11:45,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:45" (1/1) ... [2023-11-12 00:11:45,794 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:45" (1/1) ... [2023-11-12 00:11:45,851 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2023-11-12 00:11:45,852 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:11:45,853 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:11:45,853 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:11:45,853 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:11:45,865 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:45" (1/1) ... [2023-11-12 00:11:45,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:45" (1/1) ... [2023-11-12 00:11:45,870 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:45" (1/1) ... [2023-11-12 00:11:45,871 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:45" (1/1) ... [2023-11-12 00:11:45,884 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:45" (1/1) ... [2023-11-12 00:11:45,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:45" (1/1) ... [2023-11-12 00:11:45,892 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:45" (1/1) ... [2023-11-12 00:11:45,895 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:45" (1/1) ... [2023-11-12 00:11:45,900 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:11:45,901 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:11:45,902 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:11:45,902 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:11:45,903 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:45" (1/1) ... [2023-11-12 00:11:45,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:11:45,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:11:45,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:11:46,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:11:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:11:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:11:46,027 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:11:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:11:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:11:46,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:11:46,173 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:11:46,175 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:11:46,582 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:11:47,025 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:11:47,028 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:11:47,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:11:47 BoogieIcfgContainer [2023-11-12 00:11:47,031 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:11:47,036 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:11:47,037 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:11:47,041 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:11:47,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:11:45" (1/3) ... [2023-11-12 00:11:47,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c91d272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:11:47, skipping insertion in model container [2023-11-12 00:11:47,043 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:45" (2/3) ... [2023-11-12 00:11:47,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c91d272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:11:47, skipping insertion in model container [2023-11-12 00:11:47,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:11:47" (3/3) ... [2023-11-12 00:11:47,048 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-42.i [2023-11-12 00:11:47,068 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:11:47,069 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:11:47,126 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:11:47,133 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;@5db2b815, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:11:47,133 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:11:47,138 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-12 00:11:47,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-12 00:11:47,151 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:11:47,152 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:11:47,153 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:11:47,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:11:47,158 INFO L85 PathProgramCache]: Analyzing trace with hash -453871782, now seen corresponding path program 1 times [2023-11-12 00:11:47,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:11:47,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330548375] [2023-11-12 00:11:47,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:11:47,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:11:47,412 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:11:47,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1284190419] [2023-11-12 00:11:47,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:11:47,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:11:47,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:11:47,428 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:11:47,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:11:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:11:47,737 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:11:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:11:47,966 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:11:47,969 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:11:47,971 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:11:47,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:11:48,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:11:48,185 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:11:48,189 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:11:48,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:11:48 BoogieIcfgContainer [2023-11-12 00:11:48,293 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:11:48,294 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:11:48,294 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:11:48,294 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:11:48,295 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:11:47" (3/4) ... [2023-11-12 00:11:48,298 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:11:48,299 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:11:48,301 INFO L158 Benchmark]: Toolchain (without parser) took 3047.22ms. Allocated memory was 157.3MB in the beginning and 234.9MB in the end (delta: 77.6MB). Free memory was 112.8MB in the beginning and 153.4MB in the end (delta: -40.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-12 00:11:48,302 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 157.3MB. Free memory is still 128.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:11:48,303 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.18ms. Allocated memory is still 157.3MB. Free memory was 112.8MB in the beginning and 99.0MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:11:48,303 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.65ms. Allocated memory is still 157.3MB. Free memory was 99.0MB in the beginning and 95.7MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:11:48,304 INFO L158 Benchmark]: Boogie Preprocessor took 47.89ms. Allocated memory is still 157.3MB. Free memory was 95.7MB in the beginning and 93.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:11:48,305 INFO L158 Benchmark]: RCFGBuilder took 1129.52ms. Allocated memory was 157.3MB in the beginning and 234.9MB in the end (delta: 77.6MB). Free memory was 93.9MB in the beginning and 195.4MB in the end (delta: -101.5MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2023-11-12 00:11:48,306 INFO L158 Benchmark]: TraceAbstraction took 1256.57ms. Allocated memory is still 234.9MB. Free memory was 194.3MB in the beginning and 153.4MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-12 00:11:48,307 INFO L158 Benchmark]: Witness Printer took 6.07ms. Allocated memory is still 234.9MB. Free memory is still 153.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:11:48,311 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 157.3MB. Free memory is still 128.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 488.18ms. Allocated memory is still 157.3MB. Free memory was 112.8MB in the beginning and 99.0MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.65ms. Allocated memory is still 157.3MB. Free memory was 99.0MB in the beginning and 95.7MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.89ms. Allocated memory is still 157.3MB. Free memory was 95.7MB in the beginning and 93.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1129.52ms. Allocated memory was 157.3MB in the beginning and 234.9MB in the end (delta: 77.6MB). Free memory was 93.9MB in the beginning and 195.4MB in the end (delta: -101.5MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1256.57ms. Allocated memory is still 234.9MB. Free memory was 194.3MB in the beginning and 153.4MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 6.07ms. Allocated memory is still 234.9MB. Free memory is still 153.4MB. 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 56, overapproximation of someUnaryDOUBLEoperation at line 35, overapproximation of someBinaryArithmeticFLOAToperation at line 82. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 16; [L23] unsigned char var_1_2 = 0; [L24] signed short int var_1_3 = -200; [L25] signed short int var_1_4 = 2; [L26] signed char var_1_5 = -8; [L27] unsigned char var_1_6 = 10; [L28] unsigned char var_1_7 = 128; [L29] unsigned char var_1_8 = 1; [L30] float var_1_9 = 9999999999.5; [L31] unsigned char var_1_10 = 1; [L32] unsigned char var_1_11 = 0; [L33] unsigned char var_1_12 = 0; [L34] signed short int var_1_13 = 200; [L35] float var_1_14 = -0.8; [L36] float var_1_15 = 127.25; [L37] float var_1_16 = 3.5; [L38] unsigned short int var_1_17 = 16; [L39] unsigned short int var_1_18 = 100; [L40] unsigned char var_1_19 = 1; [L41] unsigned char var_1_20 = 0; [L142] isInitial = 1 [L143] FCALL initially() [L144] COND TRUE 1 [L145] FCALL updateLastVariables() [L146] CALL updateVariables() [L98] var_1_2 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_3=-200, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_3=-200, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L100] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-200, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-200, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L101] var_1_3 = __VERIFIER_nondet_short() [L102] CALL assume_abort_if_not(var_1_3 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_3 >= -32767) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L103] CALL assume_abort_if_not(var_1_3 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_3 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L104] var_1_4 = __VERIFIER_nondet_short() [L105] CALL assume_abort_if_not(var_1_4 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_4 >= -32767) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L106] CALL assume_abort_if_not(var_1_4 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_4 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L107] var_1_5 = __VERIFIER_nondet_char() [L108] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L109] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L110] var_1_7 = __VERIFIER_nondet_uchar() [L111] CALL assume_abort_if_not(var_1_7 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=227, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_7 >= 127) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=227, var_1_8=1, var_1_9=19999999999/2] [L112] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=227, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=227, var_1_8=1, var_1_9=19999999999/2] [L113] var_1_9 = __VERIFIER_nondet_float() [L114] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=227, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=227, var_1_8=1, var_1_9=2] [L115] var_1_10 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=227, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=227, var_1_8=1, var_1_9=2] [L117] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=227, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=227, var_1_8=1, var_1_9=2] [L118] var_1_11 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=227, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=227, var_1_8=1, var_1_9=2] [L120] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=227, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=227, var_1_8=1, var_1_9=2] [L121] var_1_12 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=227, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=227, var_1_8=1, var_1_9=2] [L123] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=227, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=227, var_1_8=1, var_1_9=2] [L124] var_1_15 = __VERIFIER_nondet_float() [L125] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=227, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=227, var_1_8=1, var_1_9=2] [L126] var_1_16 = __VERIFIER_nondet_float() [L127] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=227, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=227, var_1_8=1, var_1_9=2] [L128] var_1_18 = __VERIFIER_nondet_ushort() [L129] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=227, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=227, var_1_8=1, var_1_9=2] [L130] CALL assume_abort_if_not(var_1_18 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=227, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_18 <= 32767) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=227, var_1_8=1, var_1_9=2] [L131] var_1_20 = __VERIFIER_nondet_uchar() [L132] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=227, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=227, var_1_8=1, var_1_9=2] [L133] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=227, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=10, var_1_7=227, var_1_8=1, var_1_9=2] [L146] RET updateVariables() [L147] CALL step() [L45] signed short int stepLocal_0 = var_1_3; [L46] COND TRUE \read(var_1_2) [L47] var_1_1 = ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))) [L53] COND TRUE var_1_5 >= -2 [L54] var_1_6 = (var_1_7 - 100) [L56] unsigned char stepLocal_2 = 49.5f <= var_1_9; [L57] signed short int stepLocal_1 = var_1_1; [L58] COND FALSE !(stepLocal_2 && (var_1_2 && var_1_10)) [L65] var_1_8 = var_1_12 [L67] unsigned char stepLocal_4 = var_1_6; [L68] signed long int stepLocal_3 = (((((((var_1_3) > (var_1_6)) ? (var_1_3) : (var_1_6)))) > (var_1_5)) ? (((((var_1_3) > (var_1_6)) ? (var_1_3) : (var_1_6)))) : (var_1_5)); [L69] COND TRUE stepLocal_4 >= (var_1_1 / var_1_7) [L70] COND FALSE !(var_1_1 != stepLocal_3) [L73] var_1_13 = var_1_6 [L78] unsigned char stepLocal_6 = var_1_2; [L79] signed short int stepLocal_5 = var_1_13; [L80] COND TRUE (((((var_1_13) < (8)) ? (var_1_13) : (8))) <= var_1_5) || stepLocal_6 [L81] COND TRUE stepLocal_5 <= var_1_3 [L82] var_1_14 = (var_1_15 + var_1_16) [L89] signed short int stepLocal_7 = var_1_3; [L90] COND FALSE !(var_1_4 > stepLocal_7) [L93] COND TRUE var_1_9 <= var_1_15 [L94] var_1_19 = (var_1_12 || var_1_20) [L147] RET step() [L148] CALL, EXPR property() [L138-L139] return ((((((var_1_2 ? (var_1_1 == ((signed short int) ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) : ((((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) >= var_1_3) ? (var_1_1 == ((signed short int) var_1_5)) : 1)) && ((var_1_5 >= -2) ? (var_1_6 == ((unsigned char) (var_1_7 - 100))) : 1)) && (((49.5f <= var_1_9) && (var_1_2 && var_1_10)) ? ((var_1_1 < var_1_7) ? (var_1_8 == ((unsigned char) (var_1_2 || var_1_11))) : (var_1_8 == ((unsigned char) var_1_11))) : (var_1_8 == ((unsigned char) var_1_12)))) && ((var_1_6 >= (var_1_1 / var_1_7)) ? ((var_1_1 != ((((((((var_1_3) > (var_1_6)) ? (var_1_3) : (var_1_6)))) > (var_1_5)) ? (((((var_1_3) > (var_1_6)) ? (var_1_3) : (var_1_6)))) : (var_1_5)))) ? (var_1_13 == ((signed short int) var_1_7)) : (var_1_13 == ((signed short int) var_1_6))) : (var_1_13 == ((signed short int) var_1_3)))) && (((((((var_1_13) < (8)) ? (var_1_13) : (8))) <= var_1_5) || var_1_2) ? ((var_1_13 <= var_1_3) ? (var_1_14 == ((float) (var_1_15 + var_1_16))) : (var_1_14 == ((float) var_1_16))) : (var_1_14 == ((float) var_1_16)))) && ((var_1_4 > var_1_3) ? (var_1_17 == ((unsigned short int) ((((25) > ((var_1_6 + var_1_18))) ? (25) : ((var_1_6 + var_1_18)))))) : 1)) && ((var_1_9 <= var_1_15) ? (var_1_19 == ((unsigned char) (var_1_12 || var_1_20))) : 1) ; [L148] RET, EXPR property() [L148] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=127, var_1_14=0, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=0, var_1_1=127, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=127, var_1_7=227, var_1_8=0, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=127, var_1_14=0, var_1_15=3, var_1_16=4, var_1_17=16, var_1_18=0, var_1_19=0, var_1_1=127, var_1_20=0, var_1_2=1, var_1_3=127, var_1_4=126, var_1_5=127, var_1_6=127, var_1_7=227, var_1_8=0, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 23, 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=45occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 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 [2023-11-12 00:11:48,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX --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 8f23a76680a88b4e3582239a1d89eab7ec3ee1b0bc583f7f275d3fe6394371a3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:11:51,176 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:11:51,329 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:11:51,339 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:11:51,341 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:11:51,390 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:11:51,391 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:11:51,391 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:11:51,393 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:11:51,398 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:11:51,399 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:11:51,400 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:11:51,400 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:11:51,405 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:11:51,406 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:11:51,407 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:11:51,408 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:11:51,409 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:11:51,409 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:11:51,410 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:11:51,411 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:11:51,412 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:11:51,412 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:11:51,413 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:11:51,413 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:11:51,414 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:11:51,414 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:11:51,415 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:11:51,415 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:11:51,416 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:11:51,417 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:11:51,418 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:11:51,418 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:11:51,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:11:51,419 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:11:51,419 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:11:51,420 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:11:51,420 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:11:51,420 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:11:51,421 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:11:51,422 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:11:51,422 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:11:51,422 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_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f23a76680a88b4e3582239a1d89eab7ec3ee1b0bc583f7f275d3fe6394371a3 [2023-11-12 00:11:51,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:11:51,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:11:51,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:11:51,973 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:11:51,973 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:11:51,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i [2023-11-12 00:11:55,453 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:11:55,777 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:11:55,778 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i [2023-11-12 00:11:55,794 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/data/f8dd8187a/82056a86b77a492fa2397fe1ac15e34f/FLAG229b35dfd [2023-11-12 00:11:55,821 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/data/f8dd8187a/82056a86b77a492fa2397fe1ac15e34f [2023-11-12 00:11:55,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:11:55,831 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:11:55,836 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:11:55,836 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:11:55,842 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:11:55,843 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:11:55" (1/1) ... [2023-11-12 00:11:55,845 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d9b771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:55, skipping insertion in model container [2023-11-12 00:11:55,845 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:11:55" (1/1) ... [2023-11-12 00:11:55,904 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:11:56,116 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_331a96a6-85c9-48cf-afda-11d14e33bb2c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i[917,930] [2023-11-12 00:11:56,186 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:11:56,204 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:11:56,218 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i[917,930] [2023-11-12 00:11:56,255 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:11:56,279 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:11:56,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:56 WrapperNode [2023-11-12 00:11:56,280 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:11:56,282 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:11:56,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:11:56,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:11:56,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:56" (1/1) ... [2023-11-12 00:11:56,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:56" (1/1) ... [2023-11-12 00:11:56,358 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 149 [2023-11-12 00:11:56,361 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:11:56,362 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:11:56,362 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:11:56,362 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:11:56,372 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:56" (1/1) ... [2023-11-12 00:11:56,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:56" (1/1) ... [2023-11-12 00:11:56,377 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:56" (1/1) ... [2023-11-12 00:11:56,378 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:56" (1/1) ... [2023-11-12 00:11:56,419 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:56" (1/1) ... [2023-11-12 00:11:56,423 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:56" (1/1) ... [2023-11-12 00:11:56,453 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:56" (1/1) ... [2023-11-12 00:11:56,456 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:56" (1/1) ... [2023-11-12 00:11:56,460 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:11:56,461 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:11:56,462 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:11:56,462 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:11:56,463 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:56" (1/1) ... [2023-11-12 00:11:56,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:11:56,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:11:56,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:11:56,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:11:56,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:11:56,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:11:56,573 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:11:56,574 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:11:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:11:56,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:11:56,669 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:11:56,671 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:11:57,276 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:11:57,294 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:11:57,294 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:11:57,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:11:57 BoogieIcfgContainer [2023-11-12 00:11:57,296 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:11:57,299 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:11:57,300 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:11:57,303 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:11:57,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:11:55" (1/3) ... [2023-11-12 00:11:57,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@229948da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:11:57, skipping insertion in model container [2023-11-12 00:11:57,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:56" (2/3) ... [2023-11-12 00:11:57,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@229948da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:11:57, skipping insertion in model container [2023-11-12 00:11:57,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:11:57" (3/3) ... [2023-11-12 00:11:57,308 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-42.i [2023-11-12 00:11:57,330 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:11:57,330 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:11:57,389 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:11:57,397 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;@725a0b42, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:11:57,397 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:11:57,402 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-12 00:11:57,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-12 00:11:57,422 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:11:57,423 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:11:57,424 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:11:57,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:11:57,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1882836578, now seen corresponding path program 1 times [2023-11-12 00:11:57,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:11:57,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1226558977] [2023-11-12 00:11:57,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:11:57,454 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 [2023-11-12 00:11:57,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:11:57,457 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:11:57,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:11:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:11:57,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:11:57,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:11:57,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2023-11-12 00:11:57,872 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:11:57,873 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:11:57,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1226558977] [2023-11-12 00:11:57,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1226558977] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:11:57,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:11:57,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:11:57,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554458353] [2023-11-12 00:11:57,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:11:57,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:11:57,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:11:57,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:11:57,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:11:57,913 INFO L87 Difference]: Start difference. First operand has 70 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-12 00:11:57,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:11:57,947 INFO L93 Difference]: Finished difference Result 133 states and 229 transitions. [2023-11-12 00:11:57,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:11:57,949 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 148 [2023-11-12 00:11:57,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:11:57,957 INFO L225 Difference]: With dead ends: 133 [2023-11-12 00:11:57,957 INFO L226 Difference]: Without dead ends: 66 [2023-11-12 00:11:57,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:11:57,965 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:11:57,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:11:57,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-12 00:11:58,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-12 00:11:58,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 41 states have internal predecessors, (53), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-12 00:11:58,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 99 transitions. [2023-11-12 00:11:58,016 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 99 transitions. Word has length 148 [2023-11-12 00:11:58,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:11:58,017 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 99 transitions. [2023-11-12 00:11:58,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-12 00:11:58,018 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 99 transitions. [2023-11-12 00:11:58,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-12 00:11:58,022 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:11:58,022 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:11:58,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:11:58,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:11:58,223 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:11:58,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:11:58,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1613160800, now seen corresponding path program 1 times [2023-11-12 00:11:58,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:11:58,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [16146351] [2023-11-12 00:11:58,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:11:58,226 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 [2023-11-12 00:11:58,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:11:58,227 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:11:58,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:11:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:11:58,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:11:58,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:11:59,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 108 proven. 63 refuted. 0 times theorem prover too weak. 841 trivial. 0 not checked. [2023-11-12 00:11:59,137 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:11:59,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-12 00:11:59,302 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:11:59,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [16146351] [2023-11-12 00:11:59,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [16146351] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-12 00:11:59,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:11:59,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-11-12 00:11:59,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507761387] [2023-11-12 00:11:59,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:11:59,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:11:59,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:11:59,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:11:59,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-12 00:11:59,308 INFO L87 Difference]: Start difference. First operand 66 states and 99 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-12 00:11:59,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:11:59,636 INFO L93 Difference]: Finished difference Result 149 states and 223 transitions. [2023-11-12 00:11:59,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:11:59,638 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 148 [2023-11-12 00:11:59,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:11:59,641 INFO L225 Difference]: With dead ends: 149 [2023-11-12 00:11:59,642 INFO L226 Difference]: Without dead ends: 86 [2023-11-12 00:11:59,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-12 00:11:59,645 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 31 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:11:59,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 275 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 00:11:59,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-11-12 00:11:59,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 74. [2023-11-12 00:11:59,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 49 states have internal predecessors, (65), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-12 00:11:59,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 111 transitions. [2023-11-12 00:11:59,663 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 111 transitions. Word has length 148 [2023-11-12 00:11:59,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:11:59,665 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 111 transitions. [2023-11-12 00:11:59,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-12 00:11:59,666 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 111 transitions. [2023-11-12 00:11:59,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-12 00:11:59,669 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:11:59,670 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:11:59,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:11:59,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:11:59,886 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:11:59,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:11:59,887 INFO L85 PathProgramCache]: Analyzing trace with hash -2109701824, now seen corresponding path program 1 times [2023-11-12 00:11:59,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:11:59,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [409214757] [2023-11-12 00:11:59,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:11:59,889 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 [2023-11-12 00:11:59,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:11:59,890 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:11:59,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331a96a6-85c9-48cf-afda-11d14e33bb2c/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:12:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:12:00,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-12 00:12:00,224 INFO L285 TraceCheckSpWp]: Computing forward predicates...