./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/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_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/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_bbe24d02-4589-4b4e-84e2-e2feecde55c8/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 5c5409edee222b3f26bc580399bcb562d4fe1c01c7706a6bada265380f08e33c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:35:44,794 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:35:44,912 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:35:44,917 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:35:44,917 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:35:44,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:35:44,963 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:35:44,964 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:35:44,965 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:35:44,969 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:35:44,970 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:35:44,970 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:35:44,971 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:35:44,972 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:35:44,973 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:35:44,973 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:35:44,974 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:35:44,974 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:35:44,975 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:35:44,975 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:35:44,976 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:35:44,976 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:35:44,977 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:35:44,978 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:35:44,978 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:35:44,979 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:35:44,979 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:35:44,979 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:35:44,980 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:35:44,980 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:35:44,981 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:35:44,982 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:35:44,982 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:35:44,983 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:35:44,983 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:35:44,983 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:35:44,983 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:35:44,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:35:44,984 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:35:44,984 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:35:44,984 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:35:44,985 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:35:44,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:35:44,985 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:35:44,986 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:35:44,986 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:35:44,986 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:35:44,986 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_bbe24d02-4589-4b4e-84e2-e2feecde55c8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c5409edee222b3f26bc580399bcb562d4fe1c01c7706a6bada265380f08e33c [2023-11-23 20:35:45,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:35:45,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:35:45,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:35:45,312 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:35:45,312 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:35:45,313 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-3.i [2023-11-23 20:35:48,454 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:35:48,772 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:35:48,773 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-3.i [2023-11-23 20:35:48,784 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/data/5cdc3f04a/2e35126dfdad47d19ece848efa1192f2/FLAGb02a2dffc [2023-11-23 20:35:48,801 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/data/5cdc3f04a/2e35126dfdad47d19ece848efa1192f2 [2023-11-23 20:35:48,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:35:48,809 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:35:48,812 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:35:48,813 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:35:48,818 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:35:48,819 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:35:48" (1/1) ... [2023-11-23 20:35:48,820 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16992a5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:48, skipping insertion in model container [2023-11-23 20:35:48,820 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:35:48" (1/1) ... [2023-11-23 20:35:48,865 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:35:49,038 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_bbe24d02-4589-4b4e-84e2-e2feecde55c8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-3.i[915,928] [2023-11-23 20:35:49,118 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:35:49,130 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:35:49,142 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_bbe24d02-4589-4b4e-84e2-e2feecde55c8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-3.i[915,928] [2023-11-23 20:35:49,195 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:35:49,216 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:35:49,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:49 WrapperNode [2023-11-23 20:35:49,216 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:35:49,218 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:35:49,218 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:35:49,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:35:49,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:49" (1/1) ... [2023-11-23 20:35:49,245 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:49" (1/1) ... [2023-11-23 20:35:49,313 INFO L138 Inliner]: procedures = 29, calls = 181, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 558 [2023-11-23 20:35:49,314 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:35:49,315 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:35:49,315 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:35:49,315 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:35:49,326 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:49" (1/1) ... [2023-11-23 20:35:49,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:49" (1/1) ... [2023-11-23 20:35:49,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:49" (1/1) ... [2023-11-23 20:35:49,335 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:49" (1/1) ... [2023-11-23 20:35:49,378 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:49" (1/1) ... [2023-11-23 20:35:49,392 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:49" (1/1) ... [2023-11-23 20:35:49,396 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:49" (1/1) ... [2023-11-23 20:35:49,399 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:49" (1/1) ... [2023-11-23 20:35:49,406 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:35:49,423 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:35:49,424 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:35:49,424 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:35:49,425 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:49" (1/1) ... [2023-11-23 20:35:49,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:35:49,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:35:49,470 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:35:49,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:35:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:35:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-23 20:35:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:35:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-23 20:35:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:35:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-23 20:35:49,546 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:35:49,546 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:35:49,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:35:49,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:35:49,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:35:49,715 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:35:49,717 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:35:50,542 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:35:51,417 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:35:51,418 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:35:51,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:35:51 BoogieIcfgContainer [2023-11-23 20:35:51,420 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:35:51,424 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:35:51,424 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:35:51,428 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:35:51,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:35:48" (1/3) ... [2023-11-23 20:35:51,430 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f588f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:35:51, skipping insertion in model container [2023-11-23 20:35:51,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:35:49" (2/3) ... [2023-11-23 20:35:51,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f588f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:35:51, skipping insertion in model container [2023-11-23 20:35:51,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:35:51" (3/3) ... [2023-11-23 20:35:51,435 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-3.i [2023-11-23 20:35:51,454 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:35:51,454 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:35:51,518 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:35:51,526 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;@1af15a91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:35:51,526 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:35:51,531 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-23 20:35:51,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-23 20:35:51,541 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:35:51,543 INFO L195 NwaCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:35:51,543 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:35:51,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:35:51,551 INFO L85 PathProgramCache]: Analyzing trace with hash 83506246, now seen corresponding path program 1 times [2023-11-23 20:35:51,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:35:51,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231155499] [2023-11-23 20:35:51,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:51,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:35:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:35:53,110 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:35:54,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:35:54,164 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:35:54,168 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:35:54,170 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:35:54,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 20:35:54,177 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 20:35:54,184 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:35:54,312 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-23 20:35:54,327 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-23 20:35:54,328 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-23 20:35:54,329 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-23 20:35:54,330 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-23 20:35:54,330 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-23 20:35:54,331 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-23 20:35:54,331 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-23 20:35:54,332 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-23 20:35:54,332 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-23 20:35:54,332 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-23 20:35:54,333 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-23 20:35:54,333 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-23 20:35:54,333 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-11-23 20:35:54,334 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-23 20:35:54,341 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-23 20:35:54,341 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-23 20:35:54,341 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-23 20:35:54,342 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-23 20:35:54,342 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-23 20:35:54,342 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-11-23 20:35:54,343 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-23 20:35:54,344 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-23 20:35:54,344 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-23 20:35:54,344 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-23 20:35:54,345 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated [2023-11-23 20:35:54,345 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-23 20:35:54,345 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated [2023-11-23 20:35:54,345 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-11-23 20:35:54,347 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-23 20:35:54,347 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated [2023-11-23 20:35:54,348 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-23 20:35:54,349 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated [2023-11-23 20:35:54,349 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-23 20:35:54,349 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-11-23 20:35:54,349 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-23 20:35:54,350 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short88 could not be translated [2023-11-23 20:35:54,350 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-23 20:35:54,350 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated [2023-11-23 20:35:54,350 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated [2023-11-23 20:35:54,350 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-23 20:35:54,351 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-23 20:35:54,351 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-23 20:35:54,352 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-23 20:35:54,352 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated [2023-11-23 20:35:54,352 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short88 could not be translated [2023-11-23 20:35:54,352 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated [2023-11-23 20:35:54,352 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-23 20:35:54,354 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-23 20:35:54,354 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-23 20:35:54,354 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short96 could not be translated [2023-11-23 20:35:54,355 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-23 20:35:54,355 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-23 20:35:54,355 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short92 could not be translated [2023-11-23 20:35:54,356 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated [2023-11-23 20:35:54,356 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-23 20:35:54,356 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-23 20:35:54,357 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated [2023-11-23 20:35:54,357 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-23 20:35:54,358 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-23 20:35:54,358 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-23 20:35:54,358 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-23 20:35:54,359 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short92 could not be translated [2023-11-23 20:35:54,360 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short96 could not be translated [2023-11-23 20:35:54,360 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-23 20:35:54,361 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-23 20:35:54,361 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated [2023-11-23 20:35:54,368 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated [2023-11-23 20:35:54,369 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-23 20:35:54,370 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-23 20:35:54,370 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-23 20:35:54,372 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-23 20:35:54,372 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem104 could not be translated [2023-11-23 20:35:54,373 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem104 could not be translated [2023-11-23 20:35:54,373 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated [2023-11-23 20:35:54,374 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated [2023-11-23 20:35:54,375 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem107 could not be translated [2023-11-23 20:35:54,376 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem107 could not be translated [2023-11-23 20:35:54,376 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem108 could not be translated [2023-11-23 20:35:54,377 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem108 could not be translated [2023-11-23 20:35:54,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:35:54 BoogieIcfgContainer [2023-11-23 20:35:54,412 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:35:54,414 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:35:54,414 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:35:54,414 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:35:54,415 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:35:51" (3/4) ... [2023-11-23 20:35:54,427 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:35:54,428 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:35:54,430 INFO L158 Benchmark]: Toolchain (without parser) took 5620.18ms. Allocated memory was 136.3MB in the beginning and 207.6MB in the end (delta: 71.3MB). Free memory was 92.8MB in the beginning and 86.8MB in the end (delta: 6.0MB). Peak memory consumption was 77.9MB. Max. memory is 16.1GB. [2023-11-23 20:35:54,431 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 100.7MB. Free memory was 73.4MB in the beginning and 73.3MB in the end (delta: 117.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:35:54,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.46ms. Allocated memory is still 136.3MB. Free memory was 92.8MB in the beginning and 77.1MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:35:54,433 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.58ms. Allocated memory is still 136.3MB. Free memory was 77.1MB in the beginning and 72.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:35:54,439 INFO L158 Benchmark]: Boogie Preprocessor took 91.69ms. Allocated memory is still 136.3MB. Free memory was 72.9MB in the beginning and 69.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:35:54,441 INFO L158 Benchmark]: RCFGBuilder took 1997.25ms. Allocated memory is still 136.3MB. Free memory was 69.2MB in the beginning and 68.1MB in the end (delta: 1.1MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2023-11-23 20:35:54,443 INFO L158 Benchmark]: TraceAbstraction took 2987.89ms. Allocated memory was 136.3MB in the beginning and 207.6MB in the end (delta: 71.3MB). Free memory was 68.1MB in the beginning and 86.8MB in the end (delta: -18.7MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. [2023-11-23 20:35:54,445 INFO L158 Benchmark]: Witness Printer took 14.58ms. Allocated memory is still 207.6MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:35:54,447 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 100.7MB. Free memory was 73.4MB in the beginning and 73.3MB in the end (delta: 117.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.46ms. Allocated memory is still 136.3MB. Free memory was 92.8MB in the beginning and 77.1MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.58ms. Allocated memory is still 136.3MB. Free memory was 77.1MB in the beginning and 72.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.69ms. Allocated memory is still 136.3MB. Free memory was 72.9MB in the beginning and 69.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1997.25ms. Allocated memory is still 136.3MB. Free memory was 69.2MB in the beginning and 68.1MB in the end (delta: 1.1MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2987.89ms. Allocated memory was 136.3MB in the beginning and 207.6MB in the end (delta: 71.3MB). Free memory was 68.1MB in the beginning and 86.8MB in the end (delta: -18.7MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. * Witness Printer took 14.58ms. Allocated memory is still 207.6MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short96 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 Unfinished Backtranslation: IdentifierExpression #t~mem107 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem107 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem108 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem108 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 someBinaryDOUBLEComparisonOperation at line 56, overapproximation of someUnaryDOUBLEoperation at line 56, overapproximation of someBinaryArithmeticDOUBLEoperation at line 56. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {1, 0}, {0, 0} }; [L25-L27] double double_Array_0[5] = { 127.5, 15.75, 8.5, -0.5, 5.25 }; [L28-L30] signed long int signed_long_int_Array_0[5] = { -5, -100, 500, -5, -64 }; [L31] unsigned char last_1_BOOL_unsigned_char_Array_0_0__0_ = 1; [L97] isInitial = 1 [L98] FCALL initially() [L99] COND TRUE 1 [L100] CALL updateLastVariables() [L90] EXPR BOOL_unsigned_char_Array_0[0][0] [L90] last_1_BOOL_unsigned_char_Array_0_0__0_ = BOOL_unsigned_char_Array_0[0][0] [L100] RET updateLastVariables() [L101] CALL updateVariables() [L62] BOOL_unsigned_char_Array_0[1][0] = __VERIFIER_nondet_uchar() [L63] EXPR BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L63] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L64] EXPR BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L64] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L65] BOOL_unsigned_char_Array_0[0][1] = __VERIFIER_nondet_uchar() [L66] EXPR BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L66] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L67] EXPR BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L67] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L68] double_Array_0[1] = __VERIFIER_nondet_double() [L69] EXPR double_Array_0[1] [L69] EXPR double_Array_0[1] >= -461168.6018427382800e+13F && double_Array_0[1] <= -1.0e-20F [L69] EXPR (double_Array_0[1] >= -461168.6018427382800e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 4611686.018427382800e+12F && double_Array_0[1] >= 1.0e-20F ) [L69] EXPR double_Array_0[1] [L69] EXPR double_Array_0[1] <= 4611686.018427382800e+12F && double_Array_0[1] >= 1.0e-20F [L69] EXPR double_Array_0[1] [L69] EXPR double_Array_0[1] <= 4611686.018427382800e+12F && double_Array_0[1] >= 1.0e-20F [L69] EXPR (double_Array_0[1] >= -461168.6018427382800e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 4611686.018427382800e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L69] CALL assume_abort_if_not((double_Array_0[1] >= -461168.6018427382800e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 4611686.018427382800e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not((double_Array_0[1] >= -461168.6018427382800e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 4611686.018427382800e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L70] double_Array_0[2] = __VERIFIER_nondet_double() [L71] EXPR double_Array_0[2] [L71] EXPR double_Array_0[2] >= -922337.2036854765600e+13F && double_Array_0[2] <= -1.0e-20F [L71] EXPR (double_Array_0[2] >= -922337.2036854765600e+13F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854765600e+12F && double_Array_0[2] >= 1.0e-20F ) [L71] EXPR double_Array_0[2] [L71] EXPR double_Array_0[2] <= 9223372.036854765600e+12F && double_Array_0[2] >= 1.0e-20F [L71] EXPR double_Array_0[2] [L71] EXPR double_Array_0[2] <= 9223372.036854765600e+12F && double_Array_0[2] >= 1.0e-20F [L71] EXPR (double_Array_0[2] >= -922337.2036854765600e+13F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854765600e+12F && double_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L71] CALL assume_abort_if_not((double_Array_0[2] >= -922337.2036854765600e+13F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854765600e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not((double_Array_0[2] >= -922337.2036854765600e+13F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854765600e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L72] double_Array_0[3] = __VERIFIER_nondet_double() [L73] EXPR double_Array_0[3] [L73] EXPR double_Array_0[3] >= -461168.6018427382800e+13F && double_Array_0[3] <= -1.0e-20F [L73] EXPR (double_Array_0[3] >= -461168.6018427382800e+13F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 4611686.018427382800e+12F && double_Array_0[3] >= 1.0e-20F ) [L73] EXPR double_Array_0[3] [L73] EXPR double_Array_0[3] <= 4611686.018427382800e+12F && double_Array_0[3] >= 1.0e-20F [L73] EXPR double_Array_0[3] [L73] EXPR double_Array_0[3] <= 4611686.018427382800e+12F && double_Array_0[3] >= 1.0e-20F [L73] EXPR (double_Array_0[3] >= -461168.6018427382800e+13F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 4611686.018427382800e+12F && double_Array_0[3] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L73] CALL assume_abort_if_not((double_Array_0[3] >= -461168.6018427382800e+13F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 4611686.018427382800e+12F && double_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not((double_Array_0[3] >= -461168.6018427382800e+13F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 4611686.018427382800e+12F && double_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L74] double_Array_0[4] = __VERIFIER_nondet_double() [L75] EXPR double_Array_0[4] [L75] EXPR double_Array_0[4] >= -461168.6018427382800e+13F && double_Array_0[4] <= -1.0e-20F [L75] EXPR double_Array_0[4] [L75] EXPR double_Array_0[4] >= -461168.6018427382800e+13F && double_Array_0[4] <= -1.0e-20F [L75] EXPR (double_Array_0[4] >= -461168.6018427382800e+13F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 4611686.018427382800e+12F && double_Array_0[4] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L75] CALL assume_abort_if_not((double_Array_0[4] >= -461168.6018427382800e+13F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 4611686.018427382800e+12F && double_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not((double_Array_0[4] >= -461168.6018427382800e+13F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 4611686.018427382800e+12F && double_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L76] signed_long_int_Array_0[0] = __VERIFIER_nondet_long() [L77] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L77] CALL assume_abort_if_not(signed_long_int_Array_0[0] >= -536870912) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(signed_long_int_Array_0[0] >= -536870912) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L78] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L78] CALL assume_abort_if_not(signed_long_int_Array_0[0] <= 536870912) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(signed_long_int_Array_0[0] <= 536870912) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L79] signed_long_int_Array_0[1] = __VERIFIER_nondet_long() [L80] EXPR signed_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L80] CALL assume_abort_if_not(signed_long_int_Array_0[1] >= -536870911) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(signed_long_int_Array_0[1] >= -536870911) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L81] EXPR signed_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L81] CALL assume_abort_if_not(signed_long_int_Array_0[1] <= 536870911) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(signed_long_int_Array_0[1] <= 536870911) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L82] signed_long_int_Array_0[2] = __VERIFIER_nondet_long() [L83] EXPR signed_long_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L83] CALL assume_abort_if_not(signed_long_int_Array_0[2] >= -1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(signed_long_int_Array_0[2] >= -1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L84] EXPR signed_long_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L84] CALL assume_abort_if_not(signed_long_int_Array_0[2] <= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(signed_long_int_Array_0[2] <= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L85] signed_long_int_Array_0[3] = __VERIFIER_nondet_long() [L86] EXPR signed_long_int_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L86] CALL assume_abort_if_not(signed_long_int_Array_0[3] >= -1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(signed_long_int_Array_0[3] >= -1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L87] EXPR signed_long_int_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L87] CALL assume_abort_if_not(signed_long_int_Array_0[3] <= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(signed_long_int_Array_0[3] <= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L101] RET updateVariables() [L102] CALL step() [L35] unsigned char stepLocal_0 = last_1_BOOL_unsigned_char_Array_0_0__0_; [L36] COND FALSE !(! last_1_BOOL_unsigned_char_Array_0_0__0_) [L41] EXPR signed_long_int_Array_0[3] [L41] signed long int stepLocal_2 = signed_long_int_Array_0[3]; [L42] EXPR signed_long_int_Array_0[1] [L42] signed long int stepLocal_1 = signed_long_int_Array_0[1]; [L43] EXPR signed_long_int_Array_0[2] [L43] COND FALSE !(signed_long_int_Array_0[2] <= stepLocal_2) [L50] EXPR BOOL_unsigned_char_Array_0[0][0] [L50] COND FALSE !(! BOOL_unsigned_char_Array_0[0][0]) [L53] EXPR signed_long_int_Array_0[0] [L53] EXPR ((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]) [L53] EXPR signed_long_int_Array_0[0] [L53] EXPR ((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]) [L53] EXPR signed_long_int_Array_0[1] [L53] EXPR signed_long_int_Array_0[3] [L53] signed_long_int_Array_0[4] = ((((((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]))) + signed_long_int_Array_0[1]) + signed_long_int_Array_0[3]) [L55] BOOL_unsigned_char_Array_0[0][1] [L55] COND FALSE !(BOOL_unsigned_char_Array_0[0][1]) [L58] EXPR double_Array_0[4] [L58] double_Array_0[0] = double_Array_0[4] [L102] RET step() [L103] CALL, EXPR property() [L93] EXPR (! last_1_BOOL_unsigned_char_Array_0_0__0_) ? ((last_1_BOOL_unsigned_char_Array_0_0__0_ && last_1_BOOL_unsigned_char_Array_0_0__0_) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : 1) : 1 [L93] EXPR ((! last_1_BOOL_unsigned_char_Array_0_0__0_) ? ((last_1_BOOL_unsigned_char_Array_0_0__0_ && last_1_BOOL_unsigned_char_Array_0_0__0_) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : 1) : 1) && ((! BOOL_unsigned_char_Array_0[0][0]) ? (signed_long_int_Array_0[4] == ((signed long int) (signed_long_int_Array_0[3] + signed_long_int_Array_0[2]))) : (signed_long_int_Array_0[4] == ((signed long int) ((((((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]))) + signed_long_int_Array_0[1]) + signed_long_int_Array_0[3])))) [L93] EXPR BOOL_unsigned_char_Array_0[0][0] [L93] EXPR (! BOOL_unsigned_char_Array_0[0][0]) ? (signed_long_int_Array_0[4] == ((signed long int) (signed_long_int_Array_0[3] + signed_long_int_Array_0[2]))) : (signed_long_int_Array_0[4] == ((signed long int) ((((((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]))) + signed_long_int_Array_0[1]) + signed_long_int_Array_0[3]))) [L93] EXPR signed_long_int_Array_0[4] [L93] EXPR signed_long_int_Array_0[0] [L93] EXPR ((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]) [L93] EXPR signed_long_int_Array_0[0] [L93] EXPR ((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]) [L93] EXPR signed_long_int_Array_0[1] [L93] EXPR signed_long_int_Array_0[3] [L93] EXPR (! BOOL_unsigned_char_Array_0[0][0]) ? (signed_long_int_Array_0[4] == ((signed long int) (signed_long_int_Array_0[3] + signed_long_int_Array_0[2]))) : (signed_long_int_Array_0[4] == ((signed long int) ((((((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]))) + signed_long_int_Array_0[1]) + signed_long_int_Array_0[3]))) [L93] EXPR ((! last_1_BOOL_unsigned_char_Array_0_0__0_) ? ((last_1_BOOL_unsigned_char_Array_0_0__0_ && last_1_BOOL_unsigned_char_Array_0_0__0_) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : 1) : 1) && ((! BOOL_unsigned_char_Array_0[0][0]) ? (signed_long_int_Array_0[4] == ((signed long int) (signed_long_int_Array_0[3] + signed_long_int_Array_0[2]))) : (signed_long_int_Array_0[4] == ((signed long int) ((((((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]))) + signed_long_int_Array_0[1]) + signed_long_int_Array_0[3])))) [L93] EXPR (((! last_1_BOOL_unsigned_char_Array_0_0__0_) ? ((last_1_BOOL_unsigned_char_Array_0_0__0_ && last_1_BOOL_unsigned_char_Array_0_0__0_) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : 1) : 1) && ((! BOOL_unsigned_char_Array_0[0][0]) ? (signed_long_int_Array_0[4] == ((signed long int) (signed_long_int_Array_0[3] + signed_long_int_Array_0[2]))) : (signed_long_int_Array_0[4] == ((signed long int) ((((((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]))) + signed_long_int_Array_0[1]) + signed_long_int_Array_0[3]))))) && ((signed_long_int_Array_0[2] <= signed_long_int_Array_0[3]) ? ((signed_long_int_Array_0[1] >= signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (BOOL_unsigned_char_Array_0[1][1] || (! BOOL_unsigned_char_Array_0[1][0]))))) : 1) [L93] EXPR signed_long_int_Array_0[2] [L93] EXPR signed_long_int_Array_0[3] [L93] EXPR (signed_long_int_Array_0[2] <= signed_long_int_Array_0[3]) ? ((signed_long_int_Array_0[1] >= signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (BOOL_unsigned_char_Array_0[1][1] || (! BOOL_unsigned_char_Array_0[1][0]))))) : 1 [L93] EXPR (((! last_1_BOOL_unsigned_char_Array_0_0__0_) ? ((last_1_BOOL_unsigned_char_Array_0_0__0_ && last_1_BOOL_unsigned_char_Array_0_0__0_) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : 1) : 1) && ((! BOOL_unsigned_char_Array_0[0][0]) ? (signed_long_int_Array_0[4] == ((signed long int) (signed_long_int_Array_0[3] + signed_long_int_Array_0[2]))) : (signed_long_int_Array_0[4] == ((signed long int) ((((((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]))) + signed_long_int_Array_0[1]) + signed_long_int_Array_0[3]))))) && ((signed_long_int_Array_0[2] <= signed_long_int_Array_0[3]) ? ((signed_long_int_Array_0[1] >= signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (BOOL_unsigned_char_Array_0[1][1] || (! BOOL_unsigned_char_Array_0[1][0]))))) : 1) [L93] EXPR ((((! last_1_BOOL_unsigned_char_Array_0_0__0_) ? ((last_1_BOOL_unsigned_char_Array_0_0__0_ && last_1_BOOL_unsigned_char_Array_0_0__0_) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : 1) : 1) && ((! BOOL_unsigned_char_Array_0[0][0]) ? (signed_long_int_Array_0[4] == ((signed long int) (signed_long_int_Array_0[3] + signed_long_int_Array_0[2]))) : (signed_long_int_Array_0[4] == ((signed long int) ((((((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]))) + signed_long_int_Array_0[1]) + signed_long_int_Array_0[3]))))) && ((signed_long_int_Array_0[2] <= signed_long_int_Array_0[3]) ? ((signed_long_int_Array_0[1] >= signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (BOOL_unsigned_char_Array_0[1][1] || (! BOOL_unsigned_char_Array_0[1][0]))))) : 1)) && (BOOL_unsigned_char_Array_0[0][1] ? (double_Array_0[0] == ((double) (((((((((double_Array_0[1]) > (double_Array_0[3])) ? (double_Array_0[1]) : (double_Array_0[3]))) + double_Array_0[4])) < ((((((((3.5) < (double_Array_0[2])) ? (3.5) : (double_Array_0[2]))) < 0 ) ? -((((3.5) < (double_Array_0[2])) ? (3.5) : (double_Array_0[2]))) : ((((3.5) < (double_Array_0[2])) ? (3.5) : (double_Array_0[2]))))))) ? ((((((double_Array_0[1]) > (double_Array_0[3])) ? (double_Array_0[1]) : (double_Array_0[3]))) + double_Array_0[4])) : ((((((((3.5) < (double_Array_0[2])) ? (3.5) : (double_Array_0[2]))) < 0 ) ? -((((3.5) < (double_Array_0[2])) ? (3.5) : (double_Array_0[2]))) : ((((3.5) < (double_Array_0[2])) ? (3.5) : (double_Array_0[2])))))))))) : (double_Array_0[0] == ((double) double_Array_0[4]))) [L93] EXPR BOOL_unsigned_char_Array_0[0][1] [L93] EXPR BOOL_unsigned_char_Array_0[0][1] ? (double_Array_0[0] == ((double) (((((((((double_Array_0[1]) > (double_Array_0[3])) ? (double_Array_0[1]) : (double_Array_0[3]))) + double_Array_0[4])) < ((((((((3.5) < (double_Array_0[2])) ? (3.5) : (double_Array_0[2]))) < 0 ) ? -((((3.5) < (double_Array_0[2])) ? (3.5) : (double_Array_0[2]))) : ((((3.5) < (double_Array_0[2])) ? (3.5) : (double_Array_0[2]))))))) ? ((((((double_Array_0[1]) > (double_Array_0[3])) ? (double_Array_0[1]) : (double_Array_0[3]))) + double_Array_0[4])) : ((((((((3.5) < (double_Array_0[2])) ? (3.5) : (double_Array_0[2]))) < 0 ) ? -((((3.5) < (double_Array_0[2])) ? (3.5) : (double_Array_0[2]))) : ((((3.5) < (double_Array_0[2])) ? (3.5) : (double_Array_0[2])))))))))) : (double_Array_0[0] == ((double) double_Array_0[4])) [L93] EXPR double_Array_0[0] [L93] EXPR double_Array_0[4] [L93] EXPR BOOL_unsigned_char_Array_0[0][1] ? (double_Array_0[0] == ((double) (((((((((double_Array_0[1]) > (double_Array_0[3])) ? (double_Array_0[1]) : (double_Array_0[3]))) + double_Array_0[4])) < ((((((((3.5) < (double_Array_0[2])) ? (3.5) : (double_Array_0[2]))) < 0 ) ? -((((3.5) < (double_Array_0[2])) ? (3.5) : (double_Array_0[2]))) : ((((3.5) < (double_Array_0[2])) ? (3.5) : (double_Array_0[2]))))))) ? ((((((double_Array_0[1]) > (double_Array_0[3])) ? (double_Array_0[1]) : (double_Array_0[3]))) + double_Array_0[4])) : ((((((((3.5) < (double_Array_0[2])) ? (3.5) : (double_Array_0[2]))) < 0 ) ? -((((3.5) < (double_Array_0[2])) ? (3.5) : (double_Array_0[2]))) : ((((3.5) < (double_Array_0[2])) ? (3.5) : (double_Array_0[2])))))))))) : (double_Array_0[0] == ((double) double_Array_0[4])) [L93] EXPR ((((! last_1_BOOL_unsigned_char_Array_0_0__0_) ? ((last_1_BOOL_unsigned_char_Array_0_0__0_ && last_1_BOOL_unsigned_char_Array_0_0__0_) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : 1) : 1) && ((! BOOL_unsigned_char_Array_0[0][0]) ? (signed_long_int_Array_0[4] == ((signed long int) (signed_long_int_Array_0[3] + signed_long_int_Array_0[2]))) : (signed_long_int_Array_0[4] == ((signed long int) ((((((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]))) + signed_long_int_Array_0[1]) + signed_long_int_Array_0[3]))))) && ((signed_long_int_Array_0[2] <= signed_long_int_Array_0[3]) ? ((signed_long_int_Array_0[1] >= signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (BOOL_unsigned_char_Array_0[1][1] || (! BOOL_unsigned_char_Array_0[1][0]))))) : 1)) && (BOOL_unsigned_char_Array_0[0][1] ? (double_Array_0[0] == ((double) (((((((((double_Array_0[1]) > (double_Array_0[3])) ? (double_Array_0[1]) : (double_Array_0[3]))) + double_Array_0[4])) < ((((((((3.5) < (double_Array_0[2])) ? (3.5) : (double_Array_0[2]))) < 0 ) ? -((((3.5) < (double_Array_0[2])) ? (3.5) : (double_Array_0[2]))) : ((((3.5) < (double_Array_0[2])) ? (3.5) : (double_Array_0[2]))))))) ? ((((((double_Array_0[1]) > (double_Array_0[3])) ? (double_Array_0[1]) : (double_Array_0[3]))) + double_Array_0[4])) : ((((((((3.5) < (double_Array_0[2])) ? (3.5) : (double_Array_0[2]))) < 0 ) ? -((((3.5) < (double_Array_0[2])) ? (3.5) : (double_Array_0[2]))) : ((((3.5) < (double_Array_0[2])) ? (3.5) : (double_Array_0[2])))))))))) : (double_Array_0[0] == ((double) double_Array_0[4]))) [L93-L94] return ((((! last_1_BOOL_unsigned_char_Array_0_0__0_) ? ((last_1_BOOL_unsigned_char_Array_0_0__0_ && last_1_BOOL_unsigned_char_Array_0_0__0_) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : 1) : 1) && ((! BOOL_unsigned_char_Array_0[0][0]) ? (signed_long_int_Array_0[4] == ((signed long int) (signed_long_int_Array_0[3] + signed_long_int_Array_0[2]))) : (signed_long_int_Array_0[4] == ((signed long int) ((((((signed_long_int_Array_0[0]) < 0 ) ? -(signed_long_int_Array_0[0]) : (signed_long_int_Array_0[0]))) + signed_long_int_Array_0[1]) + signed_long_int_Array_0[3]))))) && ((signed_long_int_Array_0[2] <= signed_long_int_Array_0[3]) ? ((signed_long_int_Array_0[1] >= signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (BOOL_unsigned_char_Array_0[1][1] || (! BOOL_unsigned_char_Array_0[1][0]))))) : 1)) && (BOOL_unsigned_char_Array_0[0][1] ? (double_Array_0[0] == ((double) (((((((((double_Array_0[1]) > (double_Array_0[3])) ? (double_Array_0[1]) : (double_Array_0[3]))) + double_Array_0[4])) < ((((((((3.5) < (double_Array_0[2])) ? (3.5) : (double_Array_0[2]))) < 0 ) ? -((((3.5) < (double_Array_0[2])) ? (3.5) : (double_Array_0[2]))) : ((((3.5) < (double_Array_0[2])) ? (3.5) : (double_Array_0[2]))))))) ? ((((((double_Array_0[1]) > (double_Array_0[3])) ? (double_Array_0[1]) : (double_Array_0[3]))) + double_Array_0[4])) : ((((((((3.5) < (double_Array_0[2])) ? (3.5) : (double_Array_0[2]))) < 0 ) ? -((((3.5) < (double_Array_0[2])) ? (3.5) : (double_Array_0[2]))) : ((((3.5) < (double_Array_0[2])) ? (3.5) : (double_Array_0[2])))))))))) : (double_Array_0[0] == ((double) double_Array_0[4]))) ; [L103] RET, EXPR property() [L103] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_0__0_=1, signed_long_int_Array_0={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 1, TraceHistogramMax: 16, 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=41occurred 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, 1.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:35:54,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/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_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/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_bbe24d02-4589-4b4e-84e2-e2feecde55c8/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 5c5409edee222b3f26bc580399bcb562d4fe1c01c7706a6bada265380f08e33c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:35:57,316 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:35:57,433 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 20:35:57,441 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:35:57,442 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:35:57,486 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:35:57,487 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:35:57,488 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:35:57,489 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:35:57,494 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:35:57,495 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:35:57,495 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:35:57,496 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:35:57,497 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:35:57,498 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:35:57,498 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:35:57,500 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:35:57,500 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:35:57,501 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:35:57,502 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:35:57,502 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:35:57,503 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:35:57,503 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:35:57,504 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:35:57,504 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:35:57,505 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:35:57,505 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:35:57,506 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:35:57,506 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:35:57,507 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:35:57,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:35:57,508 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:35:57,509 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:35:57,509 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:35:57,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:35:57,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:35:57,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:35:57,511 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:35:57,511 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:35:57,512 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:35:57,512 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:35:57,513 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:35:57,513 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:35:57,513 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:35:57,514 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_bbe24d02-4589-4b4e-84e2-e2feecde55c8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c5409edee222b3f26bc580399bcb562d4fe1c01c7706a6bada265380f08e33c [2023-11-23 20:35:57,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:35:57,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:35:57,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:35:57,965 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:35:57,966 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:35:57,967 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-3.i [2023-11-23 20:36:01,162 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:36:01,481 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:36:01,482 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-3.i [2023-11-23 20:36:01,491 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/data/39caffcd5/2071d4ef788e4924bc5ea00d3627e989/FLAG1b8a7c512 [2023-11-23 20:36:01,507 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/data/39caffcd5/2071d4ef788e4924bc5ea00d3627e989 [2023-11-23 20:36:01,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:36:01,511 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:36:01,513 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:01,513 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:36:01,518 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:36:01,519 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:01" (1/1) ... [2023-11-23 20:36:01,520 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2363cd3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:01, skipping insertion in model container [2023-11-23 20:36:01,521 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:01" (1/1) ... [2023-11-23 20:36:01,553 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:36:01,735 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_bbe24d02-4589-4b4e-84e2-e2feecde55c8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-3.i[915,928] [2023-11-23 20:36:01,812 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:01,830 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:36:01,845 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_bbe24d02-4589-4b4e-84e2-e2feecde55c8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-3.i[915,928] [2023-11-23 20:36:01,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:01,996 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:36:01,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:01 WrapperNode [2023-11-23 20:36:01,997 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:01,998 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:01,998 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:36:01,998 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:36:02,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:01" (1/1) ... [2023-11-23 20:36:02,041 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:01" (1/1) ... [2023-11-23 20:36:02,120 INFO L138 Inliner]: procedures = 33, calls = 181, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 554 [2023-11-23 20:36:02,120 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:02,121 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:36:02,122 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:36:02,122 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:36:02,132 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:01" (1/1) ... [2023-11-23 20:36:02,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:01" (1/1) ... [2023-11-23 20:36:02,154 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:01" (1/1) ... [2023-11-23 20:36:02,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:01" (1/1) ... [2023-11-23 20:36:02,216 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:01" (1/1) ... [2023-11-23 20:36:02,223 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:01" (1/1) ... [2023-11-23 20:36:02,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:01" (1/1) ... [2023-11-23 20:36:02,231 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:01" (1/1) ... [2023-11-23 20:36:02,240 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:36:02,241 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:36:02,241 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:36:02,241 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:36:02,242 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:01" (1/1) ... [2023-11-23 20:36:02,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:02,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:36:02,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:36:02,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:36:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:36:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-23 20:36:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-23 20:36:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-23 20:36:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:36:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 20:36:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-23 20:36:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:36:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:36:02,331 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:36:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:36:02,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:36:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-23 20:36:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:36:02,507 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:36:02,510 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:36:04,923 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:36:04,996 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:36:04,997 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:36:04,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:04 BoogieIcfgContainer [2023-11-23 20:36:04,998 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:36:05,001 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:36:05,001 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:36:05,004 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:36:05,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:36:01" (1/3) ... [2023-11-23 20:36:05,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@563a9c3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:05, skipping insertion in model container [2023-11-23 20:36:05,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:01" (2/3) ... [2023-11-23 20:36:05,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@563a9c3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:05, skipping insertion in model container [2023-11-23 20:36:05,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:04" (3/3) ... [2023-11-23 20:36:05,010 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-3.i [2023-11-23 20:36:05,030 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:36:05,030 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:36:05,098 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:36:05,106 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;@693e08ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:36:05,107 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:36:05,113 INFO L276 IsEmpty]: Start isEmpty. Operand has 142 states, 123 states have (on average 1.4878048780487805) internal successors, (183), 124 states have internal predecessors, (183), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-23 20:36:05,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-23 20:36:05,134 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:05,135 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:36:05,136 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:05,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:05,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1678766468, now seen corresponding path program 1 times [2023-11-23 20:36:05,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:36:05,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1694066740] [2023-11-23 20:36:05,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:05,176 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:36:05,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:36:05,179 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:36:05,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 20:36:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:05,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:36:05,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:36:05,677 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-23 20:36:05,677 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:36:05,678 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:36:05,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1694066740] [2023-11-23 20:36:05,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1694066740] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:36:05,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:36:05,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 20:36:05,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13656172] [2023-11-23 20:36:05,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:36:05,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 20:36:05,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:36:05,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 20:36:05,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 20:36:05,719 INFO L87 Difference]: Start difference. First operand has 142 states, 123 states have (on average 1.4878048780487805) internal successors, (183), 124 states have internal predecessors, (183), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-23 20:36:05,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:36:05,882 INFO L93 Difference]: Finished difference Result 319 states and 502 transitions. [2023-11-23 20:36:05,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 20:36:05,886 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 128 [2023-11-23 20:36:05,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:36:05,903 INFO L225 Difference]: With dead ends: 319 [2023-11-23 20:36:05,903 INFO L226 Difference]: Without dead ends: 178 [2023-11-23 20:36:05,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:36:05,914 INFO L413 NwaCegarLoop]: 252 mSDtfsCounter, 67 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:36:05,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 696 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:36:05,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2023-11-23 20:36:05,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 142. [2023-11-23 20:36:05,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 124 states have (on average 1.4516129032258065) internal successors, (180), 124 states have internal predecessors, (180), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-23 20:36:06,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 212 transitions. [2023-11-23 20:36:06,004 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 212 transitions. Word has length 128 [2023-11-23 20:36:06,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:36:06,007 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 212 transitions. [2023-11-23 20:36:06,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-23 20:36:06,007 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 212 transitions. [2023-11-23 20:36:06,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-23 20:36:06,018 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:06,018 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:36:06,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-23 20:36:06,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:36:06,226 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:06,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:06,227 INFO L85 PathProgramCache]: Analyzing trace with hash -2025202326, now seen corresponding path program 1 times [2023-11-23 20:36:06,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:36:06,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [469077305] [2023-11-23 20:36:06,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:06,229 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:36:06,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:36:06,231 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:36:06,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 20:36:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:06,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:36:06,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:36:06,644 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 17 treesize of output 9 [2023-11-23 20:36:07,028 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-23 20:36:07,028 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:36:07,028 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:36:07,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [469077305] [2023-11-23 20:36:07,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [469077305] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:36:07,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:36:07,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:36:07,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947856635] [2023-11-23 20:36:07,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:36:07,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 20:36:07,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:36:07,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 20:36:07,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 20:36:07,033 INFO L87 Difference]: Start difference. First operand 142 states and 212 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-23 20:36:09,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:36:09,502 INFO L93 Difference]: Finished difference Result 420 states and 624 transitions. [2023-11-23 20:36:09,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 20:36:09,503 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 130 [2023-11-23 20:36:09,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:36:09,506 INFO L225 Difference]: With dead ends: 420 [2023-11-23 20:36:09,506 INFO L226 Difference]: Without dead ends: 279 [2023-11-23 20:36:09,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:36:09,516 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 128 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-23 20:36:09,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 504 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-23 20:36:09,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2023-11-23 20:36:09,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 236. [2023-11-23 20:36:09,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 200 states have (on average 1.425) internal successors, (285), 200 states have internal predecessors, (285), 32 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-23 20:36:09,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 349 transitions. [2023-11-23 20:36:09,549 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 349 transitions. Word has length 130 [2023-11-23 20:36:09,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:36:09,550 INFO L495 AbstractCegarLoop]: Abstraction has 236 states and 349 transitions. [2023-11-23 20:36:09,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-23 20:36:09,550 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 349 transitions. [2023-11-23 20:36:09,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-23 20:36:09,553 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:09,553 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:36:09,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:36:09,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:36:09,760 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:09,761 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:09,761 INFO L85 PathProgramCache]: Analyzing trace with hash -677725183, now seen corresponding path program 1 times [2023-11-23 20:36:09,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:36:09,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1200533650] [2023-11-23 20:36:09,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:09,763 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:36:09,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:36:09,764 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:36:09,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 20:36:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:10,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 20:36:10,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:36:10,402 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 23 treesize of output 22 [2023-11-23 20:36:10,919 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:36:10,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 33 treesize of output 35 [2023-11-23 20:36:11,442 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 37 treesize of output 28 [2023-11-23 20:36:11,781 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 37 treesize of output 28 [2023-11-23 20:36:12,120 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 37 treesize of output 28 [2023-11-23 20:36:12,414 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 37 treesize of output 28 [2023-11-23 20:36:12,720 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 37 treesize of output 28 [2023-11-23 20:36:13,027 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 37 treesize of output 28 [2023-11-23 20:36:13,363 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 37 treesize of output 28 [2023-11-23 20:36:13,673 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 37 treesize of output 28 [2023-11-23 20:36:14,040 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:36:14,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 17 [2023-11-23 20:36:14,069 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 40 proven. 308 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-23 20:36:14,069 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:36:14,176 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_97 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| v_ArrVal_97) |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 20:36:14,194 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:36:14,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1200533650] [2023-11-23 20:36:14,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1200533650] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 20:36:14,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2064445516] [2023-11-23 20:36:14,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:14,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:36:14,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 20:36:14,229 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:36:14,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-23 20:36:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:15,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 20:36:15,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:36:15,783 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 21 treesize of output 20 [2023-11-23 20:36:16,220 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 20:36:16,591 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 20:36:16,875 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 25 treesize of output 18 [2023-11-23 20:36:17,143 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 20:36:17,399 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 20:36:17,671 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 20:36:18,006 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 20:36:18,313 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 20:36:18,668 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 20:36:19,061 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 20:36:19,146 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 20:36:19,246 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 20:36:19,275 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-23 20:36:19,275 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:36:19,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2064445516] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:36:19,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 20:36:19,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 12 [2023-11-23 20:36:19,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624722303] [2023-11-23 20:36:19,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:36:19,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 20:36:19,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:36:19,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 20:36:19,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=161, Unknown=1, NotChecked=26, Total=240 [2023-11-23 20:36:19,278 INFO L87 Difference]: Start difference. First operand 236 states and 349 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-23 20:36:24,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 20:36:27,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 20:36:28,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:36:28,946 INFO L93 Difference]: Finished difference Result 577 states and 861 transitions. [2023-11-23 20:36:28,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 20:36:28,948 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 130 [2023-11-23 20:36:28,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:36:28,953 INFO L225 Difference]: With dead ends: 577 [2023-11-23 20:36:28,953 INFO L226 Difference]: Without dead ends: 436 [2023-11-23 20:36:28,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=62, Invalid=181, Unknown=1, NotChecked=28, Total=272 [2023-11-23 20:36:28,955 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 417 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2023-11-23 20:36:28,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 676 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2023-11-23 20:36:28,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2023-11-23 20:36:28,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 399. [2023-11-23 20:36:28,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 346 states have (on average 1.439306358381503) internal successors, (498), 346 states have internal predecessors, (498), 48 states have call successors, (48), 4 states have call predecessors, (48), 4 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-23 20:36:29,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 594 transitions. [2023-11-23 20:36:29,000 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 594 transitions. Word has length 130 [2023-11-23 20:36:29,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:36:29,001 INFO L495 AbstractCegarLoop]: Abstraction has 399 states and 594 transitions. [2023-11-23 20:36:29,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-23 20:36:29,001 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 594 transitions. [2023-11-23 20:36:29,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-23 20:36:29,009 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:29,009 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:36:29,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-23 20:36:29,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/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)] Forceful destruction successful, exit code 0 [2023-11-23 20:36:29,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:36:29,410 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:29,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:29,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1750275801, now seen corresponding path program 1 times [2023-11-23 20:36:29,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:36:29,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2010011996] [2023-11-23 20:36:29,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:29,412 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:36:29,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:36:29,413 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:36:29,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/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 (6)] Waiting until timeout for monitored process [2023-11-23 20:36:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:29,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-23 20:36:29,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:36:29,913 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 19 treesize of output 1 [2023-11-23 20:36:30,219 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 26 treesize of output 25 [2023-11-23 20:36:30,600 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 23 [2023-11-23 20:36:30,850 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 23 [2023-11-23 20:36:31,113 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 23 [2023-11-23 20:36:31,387 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 23 [2023-11-23 20:36:31,593 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 23 [2023-11-23 20:36:31,845 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 23 [2023-11-23 20:36:32,093 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 23 [2023-11-23 20:36:32,295 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 23 [2023-11-23 20:36:32,565 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 76 treesize of output 56 [2023-11-23 20:36:32,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:36:32,576 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:36:32,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 80 [2023-11-23 20:36:32,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:36:32,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 19 [2023-11-23 20:36:32,723 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:36:32,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 18 [2023-11-23 20:36:32,755 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 28 proven. 323 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2023-11-23 20:36:32,755 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:36:33,003 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:36:33,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2010011996] [2023-11-23 20:36:33,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2010011996] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 20:36:33,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1125229284] [2023-11-23 20:36:33,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:33,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:36:33,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 20:36:33,008 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:36:33,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe24d02-4589-4b4e-84e2-e2feecde55c8/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-23 20:36:34,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:36:34,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 20:36:34,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:36:35,529 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 20:36:35,692 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 20:36:35,890 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 8 treesize of output 1 [2023-11-23 20:36:35,962 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 21 treesize of output 24 [2023-11-23 20:36:36,070 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 17 [2023-11-23 20:36:36,340 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-23 20:36:36,340 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:36:36,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1125229284] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:36:36,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 20:36:36,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 18 [2023-11-23 20:36:36,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565310883] [2023-11-23 20:36:36,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:36:36,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 20:36:36,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:36:36,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 20:36:36,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=428, Unknown=11, NotChecked=0, Total=506 [2023-11-23 20:36:36,343 INFO L87 Difference]: Start difference. First operand 399 states and 594 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)