./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6499b62d1470f924cb4a1d4c6eb228c557a21b7be97bcd4aa73e963f3e1c7410 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:30:40,857 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:30:40,980 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:30:40,985 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:30:40,985 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:30:41,011 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:30:41,012 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:30:41,013 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:30:41,013 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:30:41,014 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:30:41,015 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:30:41,015 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:30:41,016 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:30:41,016 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:30:41,017 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:30:41,017 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:30:41,018 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:30:41,018 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:30:41,019 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:30:41,020 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:30:41,020 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:30:41,021 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:30:41,022 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:30:41,022 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:30:41,022 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:30:41,023 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:30:41,023 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:30:41,024 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:30:41,024 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:30:41,024 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:30:41,025 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:30:41,025 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:30:41,026 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:30:41,026 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:30:41,026 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:30:41,027 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:30:41,027 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:30:41,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:30:41,027 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:30:41,028 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:30:41,028 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:30:41,028 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:30:41,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:30:41,029 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:30:41,029 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:30:41,029 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:30:41,029 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:30:41,030 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_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6499b62d1470f924cb4a1d4c6eb228c557a21b7be97bcd4aa73e963f3e1c7410 [2023-11-23 21:30:41,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:30:41,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:30:41,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:30:41,313 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:30:41,314 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:30:41,315 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i [2023-11-23 21:30:44,523 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:30:44,761 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:30:44,762 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i [2023-11-23 21:30:44,772 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/data/d5164e592/3a1505f784334640951551665a87157f/FLAG563da5efa [2023-11-23 21:30:44,788 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/data/d5164e592/3a1505f784334640951551665a87157f [2023-11-23 21:30:44,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:30:44,792 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:30:44,794 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:30:44,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:30:44,800 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:30:44,800 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:30:44" (1/1) ... [2023-11-23 21:30:44,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b5fca16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:44, skipping insertion in model container [2023-11-23 21:30:44,802 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:30:44" (1/1) ... [2023-11-23 21:30:44,849 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:30:45,007 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_ce950525-dbfb-4708-ad05-d76fdb7a1957/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i[916,929] [2023-11-23 21:30:45,102 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:30:45,118 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:30:45,130 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_ce950525-dbfb-4708-ad05-d76fdb7a1957/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i[916,929] [2023-11-23 21:30:45,203 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:30:45,227 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:30:45,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:45 WrapperNode [2023-11-23 21:30:45,227 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:30:45,229 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:30:45,229 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:30:45,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:30:45,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:45" (1/1) ... [2023-11-23 21:30:45,261 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:45" (1/1) ... [2023-11-23 21:30:45,322 INFO L138 Inliner]: procedures = 29, calls = 195, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 572 [2023-11-23 21:30:45,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:30:45,323 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:30:45,324 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:30:45,324 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:30:45,334 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:45" (1/1) ... [2023-11-23 21:30:45,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:45" (1/1) ... [2023-11-23 21:30:45,345 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:45" (1/1) ... [2023-11-23 21:30:45,346 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:45" (1/1) ... [2023-11-23 21:30:45,396 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:45" (1/1) ... [2023-11-23 21:30:45,402 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:45" (1/1) ... [2023-11-23 21:30:45,423 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:45" (1/1) ... [2023-11-23 21:30:45,427 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:45" (1/1) ... [2023-11-23 21:30:45,456 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:30:45,457 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:30:45,458 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:30:45,458 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:30:45,459 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:45" (1/1) ... [2023-11-23 21:30:45,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:30:45,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:30:45,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:30:45,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:30:45,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:30:45,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-23 21:30:45,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:30:45,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-23 21:30:45,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:30:45,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-23 21:30:45,599 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:30:45,599 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:30:45,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:30:45,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:30:45,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:30:45,767 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:30:45,769 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:30:46,504 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:30:47,548 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:30:47,550 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:30:47,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:47 BoogieIcfgContainer [2023-11-23 21:30:47,553 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:30:47,558 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:30:47,558 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:30:47,562 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:30:47,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:30:44" (1/3) ... [2023-11-23 21:30:47,564 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24b5ad25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:30:47, skipping insertion in model container [2023-11-23 21:30:47,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:45" (2/3) ... [2023-11-23 21:30:47,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24b5ad25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:30:47, skipping insertion in model container [2023-11-23 21:30:47,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:47" (3/3) ... [2023-11-23 21:30:47,569 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-49.i [2023-11-23 21:30:47,595 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:30:47,595 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:30:47,666 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:30:47,675 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;@86fb2b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:30:47,676 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:30:47,680 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-23 21:30:47,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 21:30:47,696 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:47,697 INFO L195 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:30:47,698 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:30:47,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:47,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1835966894, now seen corresponding path program 1 times [2023-11-23 21:30:47,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:30:47,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809941347] [2023-11-23 21:30:47,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:47,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:30:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:30:52,950 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:30:55,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:30:55,973 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:30:55,977 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:30:55,978 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:30:55,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:30:55,989 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:30:55,995 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:30:56,065 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-23 21:30:56,072 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-23 21:30:56,073 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-23 21:30:56,073 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-23 21:30:56,074 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-23 21:30:56,075 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-23 21:30:56,075 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-23 21:30:56,075 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-23 21:30:56,077 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-23 21:30:56,077 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-23 21:30:56,078 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-23 21:30:56,078 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-23 21:30:56,084 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated [2023-11-23 21:30:56,084 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated [2023-11-23 21:30:56,084 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-23 21:30:56,086 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated [2023-11-23 21:30:56,086 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-23 21:30:56,086 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated [2023-11-23 21:30:56,086 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-23 21:30:56,087 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-23 21:30:56,087 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-23 21:30:56,087 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-23 21:30:56,089 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-23 21:30:56,089 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short93 could not be translated [2023-11-23 21:30:56,089 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-23 21:30:56,090 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated [2023-11-23 21:30:56,090 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-23 21:30:56,090 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short92 could not be translated [2023-11-23 21:30:56,091 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-23 21:30:56,091 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short93 could not be translated [2023-11-23 21:30:56,091 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-23 21:30:56,092 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-23 21:30:56,093 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-23 21:30:56,093 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-23 21:30:56,093 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short92 could not be translated [2023-11-23 21:30:56,093 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated [2023-11-23 21:30:56,095 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-23 21:30:56,095 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-23 21:30:56,096 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated [2023-11-23 21:30:56,096 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated [2023-11-23 21:30:56,097 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-23 21:30:56,102 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-23 21:30:56,103 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated [2023-11-23 21:30:56,105 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated [2023-11-23 21:30:56,105 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-23 21:30:56,107 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-23 21:30:56,108 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-23 21:30:56,109 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-23 21:30:56,110 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem104 could not be translated [2023-11-23 21:30:56,110 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem104 could not be translated [2023-11-23 21:30:56,110 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated [2023-11-23 21:30:56,111 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated [2023-11-23 21:30:56,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:30:56 BoogieIcfgContainer [2023-11-23 21:30:56,145 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:30:56,147 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:30:56,147 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:30:56,147 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:30:56,148 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:47" (3/4) ... [2023-11-23 21:30:56,153 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:30:56,154 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:30:56,155 INFO L158 Benchmark]: Toolchain (without parser) took 11362.95ms. Allocated memory was 130.0MB in the beginning and 400.6MB in the end (delta: 270.5MB). Free memory was 83.5MB in the beginning and 299.6MB in the end (delta: -216.1MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. [2023-11-23 21:30:56,156 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:30:56,158 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.34ms. Allocated memory is still 130.0MB. Free memory was 83.1MB in the beginning and 66.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:30:56,159 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.99ms. Allocated memory is still 130.0MB. Free memory was 65.9MB in the beginning and 60.8MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:30:56,164 INFO L158 Benchmark]: Boogie Preprocessor took 133.21ms. Allocated memory was 130.0MB in the beginning and 195.0MB in the end (delta: 65.0MB). Free memory was 60.8MB in the beginning and 162.9MB in the end (delta: -102.1MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2023-11-23 21:30:56,165 INFO L158 Benchmark]: RCFGBuilder took 2095.76ms. Allocated memory is still 195.0MB. Free memory was 162.9MB in the beginning and 141.5MB in the end (delta: 21.3MB). Peak memory consumption was 114.4MB. Max. memory is 16.1GB. [2023-11-23 21:30:56,167 INFO L158 Benchmark]: TraceAbstraction took 8587.00ms. Allocated memory was 195.0MB in the beginning and 400.6MB in the end (delta: 205.5MB). Free memory was 140.5MB in the beginning and 299.6MB in the end (delta: -159.1MB). Peak memory consumption was 227.8MB. Max. memory is 16.1GB. [2023-11-23 21:30:56,168 INFO L158 Benchmark]: Witness Printer took 7.38ms. Allocated memory is still 400.6MB. Free memory was 299.6MB in the beginning and 299.6MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:30:56,176 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.34ms. Allocated memory is still 130.0MB. Free memory was 83.1MB in the beginning and 66.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.99ms. Allocated memory is still 130.0MB. Free memory was 65.9MB in the beginning and 60.8MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 133.21ms. Allocated memory was 130.0MB in the beginning and 195.0MB in the end (delta: 65.0MB). Free memory was 60.8MB in the beginning and 162.9MB in the end (delta: -102.1MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2095.76ms. Allocated memory is still 195.0MB. Free memory was 162.9MB in the beginning and 141.5MB in the end (delta: 21.3MB). Peak memory consumption was 114.4MB. Max. memory is 16.1GB. * TraceAbstraction took 8587.00ms. Allocated memory was 195.0MB in the beginning and 400.6MB in the end (delta: 205.5MB). Free memory was 140.5MB in the beginning and 299.6MB in the end (delta: -159.1MB). Peak memory consumption was 227.8MB. Max. memory is 16.1GB. * Witness Printer took 7.38ms. Allocated memory is still 400.6MB. Free memory was 299.6MB in the beginning and 299.6MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 50, overapproximation of shiftRight at line 38. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {1, 0} }; [L25-L27] float float_Array_0[2] = { 1000.2, 1000000000000000.4 }; [L28-L30] signed short int signed_short_int_Array_0[2] = { -2, 128 }; [L31-L33] unsigned short int unsigned_short_int_Array_0[2][2] = { {10, 256}, {4, 4} }; [L95] isInitial = 1 [L96] FCALL initially() [L97] COND TRUE 1 [L98] FCALL updateLastVariables() [L99] CALL updateVariables() [L65] BOOL_unsigned_char_Array_0[0][0] = __VERIFIER_nondet_uchar() [L66] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L66] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L67] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L67] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L68] BOOL_unsigned_char_Array_0[1][1] = __VERIFIER_nondet_uchar() [L69] EXPR BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L69] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L70] EXPR BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L70] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L71] float_Array_0[0] = __VERIFIER_nondet_float() [L72] EXPR float_Array_0[0] [L72] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F [L72] EXPR float_Array_0[0] [L72] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F [L72] EXPR (float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L72] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L73] float_Array_0[1] = __VERIFIER_nondet_float() [L74] EXPR float_Array_0[1] [L74] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F [L74] EXPR (float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) [L74] EXPR float_Array_0[1] [L74] EXPR float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F [L74] EXPR float_Array_0[1] [L74] EXPR float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F [L74] EXPR (float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L74] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L75] signed_short_int_Array_0[0] = __VERIFIER_nondet_short() [L76] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L76] CALL assume_abort_if_not(signed_short_int_Array_0[0] >= -32766) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(signed_short_int_Array_0[0] >= -32766) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L77] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L77] CALL assume_abort_if_not(signed_short_int_Array_0[0] <= 32766) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(signed_short_int_Array_0[0] <= 32766) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L78] unsigned_short_int_Array_0[0][0] = __VERIFIER_nondet_ushort() [L79] EXPR unsigned_short_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L79] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(unsigned_short_int_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L80] EXPR unsigned_short_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L80] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(unsigned_short_int_Array_0[0][0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L81] unsigned_short_int_Array_0[1][0] = __VERIFIER_nondet_ushort() [L82] EXPR unsigned_short_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L82] CALL assume_abort_if_not(unsigned_short_int_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(unsigned_short_int_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L83] EXPR unsigned_short_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L83] CALL assume_abort_if_not(unsigned_short_int_Array_0[1][0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(unsigned_short_int_Array_0[1][0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L84] unsigned_short_int_Array_0[0][1] = __VERIFIER_nondet_ushort() [L85] EXPR unsigned_short_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L85] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(unsigned_short_int_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L86] EXPR unsigned_short_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L86] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][1] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(unsigned_short_int_Array_0[0][1] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L99] RET updateVariables() [L100] CALL step() [L37] EXPR signed_short_int_Array_0[0] [L37] EXPR ((signed_short_int_Array_0[0]) < 0 ) ? -(signed_short_int_Array_0[0]) : (signed_short_int_Array_0[0]) [L37] EXPR signed_short_int_Array_0[0] [L37] EXPR ((signed_short_int_Array_0[0]) < 0 ) ? -(signed_short_int_Array_0[0]) : (signed_short_int_Array_0[0]) [L37] signed_short_int_Array_0[1] = ((((signed_short_int_Array_0[0]) < 0 ) ? -(signed_short_int_Array_0[0]) : (signed_short_int_Array_0[0]))) [L38] EXPR unsigned_short_int_Array_0[0][1] [L38] EXPR 50 >> unsigned_short_int_Array_0[0][1] [L38] EXPR signed_short_int_Array_0[1] [L38] COND FALSE !((50 >> unsigned_short_int_Array_0[0][1]) <= signed_short_int_Array_0[1]) [L41] EXPR BOOL_unsigned_char_Array_0[1][1] [L41] BOOL_unsigned_char_Array_0[0][1] = (! BOOL_unsigned_char_Array_0[1][1]) [L43] EXPR BOOL_unsigned_char_Array_0[0][0] [L43] COND TRUE ! BOOL_unsigned_char_Array_0[0][0] [L44] EXPR unsigned_short_int_Array_0[0][1] [L44] EXPR unsigned_short_int_Array_0[0][0] [L44] EXPR signed_short_int_Array_0[1] [L44] EXPR ((unsigned_short_int_Array_0[0][0]) < (signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[0][0]) : (signed_short_int_Array_0[1]) [L44] EXPR signed_short_int_Array_0[1] [L44] EXPR ((unsigned_short_int_Array_0[0][0]) < (signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[0][0]) : (signed_short_int_Array_0[1]) [L44] COND TRUE unsigned_short_int_Array_0[0][1] >= ((((unsigned_short_int_Array_0[0][0]) < (signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[0][0]) : (signed_short_int_Array_0[1]))) [L45] EXPR BOOL_unsigned_char_Array_0[0][1] [L45] EXPR BOOL_unsigned_char_Array_0[0][1] && BOOL_unsigned_char_Array_0[1][1] [L45] EXPR BOOL_unsigned_char_Array_0[1][1] [L45] EXPR BOOL_unsigned_char_Array_0[0][1] && BOOL_unsigned_char_Array_0[1][1] [L45] BOOL_unsigned_char_Array_0[1][0] = (BOOL_unsigned_char_Array_0[0][1] && BOOL_unsigned_char_Array_0[1][1]) [L50] EXPR float_Array_0[1] [L50] COND FALSE !(float_Array_0[1] >= 64.5f) [L61] unsigned_short_int_Array_0[1][1] = 50 [L100] RET step() [L101] CALL, EXPR property() [L91] EXPR float_Array_0[1] [L91] EXPR (float_Array_0[1] >= 64.5f) ? ((float_Array_0[1] >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) < 0 ) ? -((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) : ((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))))))) : (BOOL_unsigned_char_Array_0[1][0] ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[1][0])) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[0][0])))) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) 50)) [L91] EXPR float_Array_0[1] [L91] EXPR float_Array_0[0] [L91] EXPR (float_Array_0[1] >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) < 0 ) ? -((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) : ((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))))))) : (BOOL_unsigned_char_Array_0[1][0] ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[1][0])) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[0][0]))) [L91] EXPR BOOL_unsigned_char_Array_0[1][0] [L91] EXPR BOOL_unsigned_char_Array_0[1][0] ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[1][0])) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[0][0])) [L91] EXPR unsigned_short_int_Array_0[1][1] [L91] EXPR unsigned_short_int_Array_0[0][0] [L91] EXPR BOOL_unsigned_char_Array_0[1][0] ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[1][0])) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[0][0])) [L91] EXPR (float_Array_0[1] >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) < 0 ) ? -((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) : ((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))))))) : (BOOL_unsigned_char_Array_0[1][0] ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[1][0])) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[0][0]))) [L91] EXPR (float_Array_0[1] >= 64.5f) ? ((float_Array_0[1] >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) < 0 ) ? -((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) : ((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))))))) : (BOOL_unsigned_char_Array_0[1][0] ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[1][0])) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[0][0])))) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) 50)) [L91] EXPR ((float_Array_0[1] >= 64.5f) ? ((float_Array_0[1] >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) < 0 ) ? -((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) : ((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))))))) : (BOOL_unsigned_char_Array_0[1][0] ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[1][0])) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[0][0])))) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) 50))) && (signed_short_int_Array_0[1] == ((signed short int) ((((signed_short_int_Array_0[0]) < 0 ) ? -(signed_short_int_Array_0[0]) : (signed_short_int_Array_0[0]))))) [L91] EXPR (((float_Array_0[1] >= 64.5f) ? ((float_Array_0[1] >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) < 0 ) ? -((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) : ((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))))))) : (BOOL_unsigned_char_Array_0[1][0] ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[1][0])) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[0][0])))) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) 50))) && (signed_short_int_Array_0[1] == ((signed short int) ((((signed_short_int_Array_0[0]) < 0 ) ? -(signed_short_int_Array_0[0]) : (signed_short_int_Array_0[0])))))) && (((50 >> unsigned_short_int_Array_0[0][1]) <= signed_short_int_Array_0[1]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) ((! (! BOOL_unsigned_char_Array_0[1][1])) || BOOL_unsigned_char_Array_0[0][0]))) : (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][1])))) [L91] EXPR ((((float_Array_0[1] >= 64.5f) ? ((float_Array_0[1] >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) < 0 ) ? -((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) : ((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))))))) : (BOOL_unsigned_char_Array_0[1][0] ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[1][0])) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[0][0])))) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) 50))) && (signed_short_int_Array_0[1] == ((signed short int) ((((signed_short_int_Array_0[0]) < 0 ) ? -(signed_short_int_Array_0[0]) : (signed_short_int_Array_0[0])))))) && (((50 >> unsigned_short_int_Array_0[0][1]) <= signed_short_int_Array_0[1]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) ((! (! BOOL_unsigned_char_Array_0[1][1])) || BOOL_unsigned_char_Array_0[0][0]))) : (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][1]))))) && ((! BOOL_unsigned_char_Array_0[0][0]) ? ((unsigned_short_int_Array_0[0][1] >= ((((unsigned_short_int_Array_0[0][0]) < (signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[0][0]) : (signed_short_int_Array_0[1])))) ? (BOOL_unsigned_char_Array_0[1][0] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] && BOOL_unsigned_char_Array_0[1][1]))) : (BOOL_unsigned_char_Array_0[1][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][1]))) : 1) [L91-L92] return ((((float_Array_0[1] >= 64.5f) ? ((float_Array_0[1] >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) < 0 ) ? -((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) : ((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))))))) : (BOOL_unsigned_char_Array_0[1][0] ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[1][0])) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[0][0])))) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) 50))) && (signed_short_int_Array_0[1] == ((signed short int) ((((signed_short_int_Array_0[0]) < 0 ) ? -(signed_short_int_Array_0[0]) : (signed_short_int_Array_0[0])))))) && (((50 >> unsigned_short_int_Array_0[0][1]) <= signed_short_int_Array_0[1]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) ((! (! BOOL_unsigned_char_Array_0[1][1])) || BOOL_unsigned_char_Array_0[0][0]))) : (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][1]))))) && ((! BOOL_unsigned_char_Array_0[0][0]) ? ((unsigned_short_int_Array_0[0][1] >= ((((unsigned_short_int_Array_0[0][0]) < (signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[0][0]) : (signed_short_int_Array_0[1])))) ? (BOOL_unsigned_char_Array_0[1][0] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] && BOOL_unsigned_char_Array_0[1][1]))) : (BOOL_unsigned_char_Array_0[1][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][1]))) : 1) ; [L101] RET, EXPR property() [L101] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.3s, OverallIterations: 1, TraceHistogramMax: 14, 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=37occurred 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, 5.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:30:56,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6499b62d1470f924cb4a1d4c6eb228c557a21b7be97bcd4aa73e963f3e1c7410 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:30:59,080 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:30:59,249 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:30:59,257 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:30:59,258 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:30:59,310 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:30:59,311 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:30:59,312 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:30:59,313 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:30:59,319 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:30:59,319 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:30:59,320 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:30:59,320 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:30:59,322 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:30:59,323 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:30:59,324 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:30:59,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:30:59,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:30:59,326 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:30:59,327 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:30:59,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:30:59,328 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:30:59,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:30:59,329 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:30:59,330 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:30:59,330 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:30:59,331 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:30:59,331 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:30:59,332 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:30:59,332 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:30:59,334 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:30:59,334 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:30:59,335 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:30:59,335 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:30:59,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:30:59,336 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:30:59,336 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:30:59,337 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:30:59,337 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:30:59,338 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:30:59,338 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:30:59,339 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:30:59,339 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:30:59,340 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:30:59,340 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_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6499b62d1470f924cb4a1d4c6eb228c557a21b7be97bcd4aa73e963f3e1c7410 [2023-11-23 21:30:59,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:30:59,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:30:59,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:30:59,815 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:30:59,815 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:30:59,817 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i [2023-11-23 21:31:02,961 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:31:03,315 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:31:03,317 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i [2023-11-23 21:31:03,329 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/data/3f5ecd4e3/ec75a1a715e44d998a0fc463f9068454/FLAG72dfff70b [2023-11-23 21:31:03,349 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/data/3f5ecd4e3/ec75a1a715e44d998a0fc463f9068454 [2023-11-23 21:31:03,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:31:03,357 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:31:03,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:31:03,360 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:31:03,365 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:31:03,366 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:31:03" (1/1) ... [2023-11-23 21:31:03,367 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cdd6a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:03, skipping insertion in model container [2023-11-23 21:31:03,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:31:03" (1/1) ... [2023-11-23 21:31:03,409 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:31:03,605 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_ce950525-dbfb-4708-ad05-d76fdb7a1957/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i[916,929] [2023-11-23 21:31:03,751 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:31:03,767 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:31:03,791 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_ce950525-dbfb-4708-ad05-d76fdb7a1957/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i[916,929] [2023-11-23 21:31:03,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:31:03,990 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:31:03,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:03 WrapperNode [2023-11-23 21:31:03,991 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:31:03,992 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:31:03,993 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:31:03,993 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:31:04,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:03" (1/1) ... [2023-11-23 21:31:04,040 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:03" (1/1) ... [2023-11-23 21:31:04,103 INFO L138 Inliner]: procedures = 33, calls = 195, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 562 [2023-11-23 21:31:04,104 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:31:04,105 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:31:04,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:31:04,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:31:04,115 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:03" (1/1) ... [2023-11-23 21:31:04,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:03" (1/1) ... [2023-11-23 21:31:04,126 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:03" (1/1) ... [2023-11-23 21:31:04,126 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:03" (1/1) ... [2023-11-23 21:31:04,160 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:03" (1/1) ... [2023-11-23 21:31:04,167 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:03" (1/1) ... [2023-11-23 21:31:04,172 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:03" (1/1) ... [2023-11-23 21:31:04,176 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:03" (1/1) ... [2023-11-23 21:31:04,184 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:31:04,185 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:31:04,186 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:31:04,186 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:31:04,187 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:03" (1/1) ... [2023-11-23 21:31:04,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:31:04,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:31:04,248 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:31:04,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:31:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:31:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-23 21:31:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-23 21:31:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:31:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-23 21:31:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-23 21:31:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-23 21:31:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-23 21:31:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:31:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:31:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:31:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:31:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-23 21:31:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-23 21:31:04,429 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:31:04,436 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:31:05,265 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:31:05,313 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:31:05,313 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:31:05,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:31:05 BoogieIcfgContainer [2023-11-23 21:31:05,314 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:31:05,317 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:31:05,317 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:31:05,321 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:31:05,321 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:31:03" (1/3) ... [2023-11-23 21:31:05,322 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28666383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:31:05, skipping insertion in model container [2023-11-23 21:31:05,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:03" (2/3) ... [2023-11-23 21:31:05,323 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28666383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:31:05, skipping insertion in model container [2023-11-23 21:31:05,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:31:05" (3/3) ... [2023-11-23 21:31:05,325 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-49.i [2023-11-23 21:31:05,348 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:31:05,349 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:31:05,422 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:31:05,429 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;@7d54b3a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:31:05,429 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:31:05,433 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 106 states have (on average 1.509433962264151) internal successors, (160), 107 states have internal predecessors, (160), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-23 21:31:05,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-23 21:31:05,449 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:31:05,449 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:31:05,450 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:31:05,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:31:05,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1411579665, now seen corresponding path program 1 times [2023-11-23 21:31:05,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:31:05,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1923250669] [2023-11-23 21:31:05,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:31:05,471 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:31:05,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:31:05,479 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:31:05,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:31:05,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:31:05,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:31:05,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:31:05,928 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2023-11-23 21:31:05,928 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:31:05,929 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:31:05,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1923250669] [2023-11-23 21:31:05,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1923250669] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:31:05,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:31:05,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:31:05,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219399059] [2023-11-23 21:31:05,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:31:05,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:31:05,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:31:05,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:31:05,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:31:05,996 INFO L87 Difference]: Start difference. First operand has 123 states, 106 states have (on average 1.509433962264151) internal successors, (160), 107 states have internal predecessors, (160), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-23 21:31:06,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:31:06,051 INFO L93 Difference]: Finished difference Result 243 states and 388 transitions. [2023-11-23 21:31:06,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:31:06,054 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 110 [2023-11-23 21:31:06,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:31:06,063 INFO L225 Difference]: With dead ends: 243 [2023-11-23 21:31:06,064 INFO L226 Difference]: Without dead ends: 121 [2023-11-23 21:31:06,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:31:06,075 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:31:06,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 179 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:31:06,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-23 21:31:06,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2023-11-23 21:31:06,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 105 states have (on average 1.4761904761904763) internal successors, (155), 105 states have internal predecessors, (155), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-23 21:31:06,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 183 transitions. [2023-11-23 21:31:06,135 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 183 transitions. Word has length 110 [2023-11-23 21:31:06,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:31:06,136 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 183 transitions. [2023-11-23 21:31:06,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-23 21:31:06,137 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 183 transitions. [2023-11-23 21:31:06,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-23 21:31:06,140 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:31:06,141 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:31:06,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:31:06,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:31:06,348 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:31:06,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:31:06,349 INFO L85 PathProgramCache]: Analyzing trace with hash -662795625, now seen corresponding path program 1 times [2023-11-23 21:31:06,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:31:06,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1232527951] [2023-11-23 21:31:06,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:31:06,350 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:31:06,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:31:06,380 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:31:06,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 21:31:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:31:06,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 21:31:06,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:31:06,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-23 21:31:06,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2023-11-23 21:31:06,850 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-23 21:31:06,850 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:31:06,851 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:31:06,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1232527951] [2023-11-23 21:31:06,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1232527951] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:31:06,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:31:06,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:31:06,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055085994] [2023-11-23 21:31:06,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:31:06,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:31:06,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:31:06,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:31:06,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:31:06,856 INFO L87 Difference]: Start difference. First operand 121 states and 183 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:31:07,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:31:07,602 INFO L93 Difference]: Finished difference Result 308 states and 465 transitions. [2023-11-23 21:31:07,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 21:31:07,603 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 110 [2023-11-23 21:31:07,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:31:07,606 INFO L225 Difference]: With dead ends: 308 [2023-11-23 21:31:07,607 INFO L226 Difference]: Without dead ends: 188 [2023-11-23 21:31:07,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:31:07,609 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 130 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:31:07,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 512 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 21:31:07,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-11-23 21:31:07,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 125. [2023-11-23 21:31:07,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 109 states have (on average 1.4678899082568808) internal successors, (160), 109 states have internal predecessors, (160), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-23 21:31:07,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 188 transitions. [2023-11-23 21:31:07,629 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 188 transitions. Word has length 110 [2023-11-23 21:31:07,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:31:07,631 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 188 transitions. [2023-11-23 21:31:07,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:31:07,632 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 188 transitions. [2023-11-23 21:31:07,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-23 21:31:07,635 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:31:07,635 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:31:07,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:31:07,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:31:07,842 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:31:07,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:31:07,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1894223140, now seen corresponding path program 1 times [2023-11-23 21:31:07,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:31:07,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1098559586] [2023-11-23 21:31:07,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:31:07,845 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:31:07,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:31:07,846 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:31:07,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 21:31:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:31:08,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-23 21:31:08,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:31:08,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-11-23 21:31:09,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 17 [2023-11-23 21:31:09,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2023-11-23 21:31:09,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2023-11-23 21:31:10,004 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2023-11-23 21:31:10,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2023-11-23 21:31:10,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2023-11-23 21:31:10,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2023-11-23 21:31:11,127 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2023-11-23 21:31:11,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 17 [2023-11-23 21:31:11,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2023-11-23 21:31:11,249 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 18 proven. 245 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-11-23 21:31:11,249 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:31:11,324 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_78 (Array (_ BitVec 32) (_ BitVec 32)))) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_78) |c_~#BOOL_unsigned_char_Array_0~0.base|) |c_~#BOOL_unsigned_char_Array_0~0.offset|)) (_ bv0 8))) is different from false [2023-11-23 21:31:11,376 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:31:11,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1098559586] [2023-11-23 21:31:11,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1098559586] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:31:11,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [704238880] [2023-11-23 21:31:11,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:31:11,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:31:11,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:31:11,385 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:31:11,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-23 21:31:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:31:12,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-23 21:31:12,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:31:12,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-11-23 21:31:13,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2023-11-23 21:31:13,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2023-11-23 21:31:14,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2023-11-23 21:31:14,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2023-11-23 21:31:14,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2023-11-23 21:31:15,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2023-11-23 21:31:15,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2023-11-23 21:31:15,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2023-11-23 21:31:16,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2023-11-23 21:31:16,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-23 21:31:16,136 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 18 proven. 245 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-11-23 21:31:16,136 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:31:16,159 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_111 (Array (_ BitVec 32) (_ BitVec 32)))) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_111) |c_~#BOOL_unsigned_char_Array_0~0.base|) |c_~#BOOL_unsigned_char_Array_0~0.offset|)) (_ bv0 8))) is different from false [2023-11-23 21:31:16,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [704238880] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:31:16,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875374710] [2023-11-23 21:31:16,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:31:16,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:31:16,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:31:16,183 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:31:16,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce950525-dbfb-4708-ad05-d76fdb7a1957/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-23 21:31:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:31:16,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-23 21:31:16,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:31:16,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-23 21:31:17,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-23 21:31:17,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-23 21:31:17,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-23 21:31:17,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 32 [2023-11-23 21:31:18,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 47 [2023-11-23 21:31:18,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 47 [2023-11-23 21:31:18,709 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:31:18,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 38 [2023-11-23 21:31:19,040 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 193 proven. 21 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-11-23 21:31:19,040 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:31:19,379 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_143 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (select (store |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_143) |c_~#signed_short_int_Array_0~0.base|))) (let ((.cse0 ((_ sign_extend 16) ((_ extract 15 0) (select .cse1 |c_~#signed_short_int_Array_0~0.offset|))))) (or (= ((_ sign_extend 16) ((_ extract 15 0) (bvneg .cse0))) ((_ sign_extend 16) ((_ extract 15 0) (select .cse1 (bvadd |c_~#signed_short_int_Array_0~0.offset| (_ bv2 32)))))) (not (bvslt .cse0 (_ bv0 32))))))) is different from false [2023-11-23 21:31:19,442 WARN L854 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_142 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_143 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (select (store (store |c_#memory_int| |c_~#BOOL_unsigned_char_Array_0~0.base| v_ArrVal_142) |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_143) |c_~#signed_short_int_Array_0~0.base|))) (let ((.cse0 ((_ sign_extend 16) ((_ extract 15 0) (select .cse1 |c_~#signed_short_int_Array_0~0.offset|))))) (or (= ((_ sign_extend 16) ((_ extract 15 0) (bvneg .cse0))) ((_ sign_extend 16) ((_ extract 15 0) (select .cse1 (bvadd |c_~#signed_short_int_Array_0~0.offset| (_ bv2 32)))))) (not (bvslt .cse0 (_ bv0 32))))))) (forall ((|ULTIMATE.start_step_#t~mem8#1| (_ BitVec 16))) (bvsle (bvashr (_ bv50 32) ((_ zero_extend 16) |ULTIMATE.start_step_#t~mem8#1|)) ((_ sign_extend 16) |c_ULTIMATE.start_step_#t~mem9#1|)))) is different from false [2023-11-23 21:31:20,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875374710] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:31:20,075 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:31:20,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 15] total 36 [2023-11-23 21:31:20,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504930885] [2023-11-23 21:31:20,076 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 21:31:20,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-11-23 21:31:20,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:31:20,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-11-23 21:31:20,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=251, Invalid=1653, Unknown=4, NotChecked=348, Total=2256 [2023-11-23 21:31:20,081 INFO L87 Difference]: Start difference. First operand 125 states and 188 transitions. Second operand has 37 states, 34 states have (on average 4.264705882352941) internal successors, (145), 35 states have internal predecessors, (145), 13 states have call successors, (42), 10 states have call predecessors, (42), 13 states have return successors, (42), 11 states have call predecessors, (42), 13 states have call successors, (42)