./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-72.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje --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 1ab9e72004f6e44dd1c99d656a25b9afb9dd4f8a7dce6d645f7dcf92d5c06291 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:14:42,124 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:14:42,209 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 07:14:42,217 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:14:42,221 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:14:42,266 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:14:42,267 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:14:42,267 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:14:42,268 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:14:42,268 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:14:42,269 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:14:42,269 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:14:42,270 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:14:42,270 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:14:42,270 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:14:42,271 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:14:42,271 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:14:42,277 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:14:42,277 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:14:42,277 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:14:42,278 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:14:42,278 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:14:42,280 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:14:42,281 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:14:42,281 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:14:42,281 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:14:42,282 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:14:42,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:14:42,283 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:14:42,283 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:14:42,283 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:14:42,284 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:14:42,284 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:14:42,285 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:14:42,285 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:14:42,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:14:42,286 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:14:42,286 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:14:42,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:14:42,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:14:42,302 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:14:42,302 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:14:42,303 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:14:42,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:14:42,303 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:14:42,303 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:14:42,303 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:14:42,304 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_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ab9e72004f6e44dd1c99d656a25b9afb9dd4f8a7dce6d645f7dcf92d5c06291 [2024-11-09 07:14:42,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:14:42,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:14:42,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:14:42,659 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:14:42,664 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:14:42,665 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-72.i Unable to find full path for "g++" [2024-11-09 07:14:44,720 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:14:45,034 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:14:45,039 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-72.i [2024-11-09 07:14:45,050 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/data/cd0362e42/0a0efa4d4cea424d99156e39fab71f76/FLAG52a9ec651 [2024-11-09 07:14:45,283 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/data/cd0362e42/0a0efa4d4cea424d99156e39fab71f76 [2024-11-09 07:14:45,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:14:45,288 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:14:45,289 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:14:45,289 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:14:45,295 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:14:45,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:14:45" (1/1) ... [2024-11-09 07:14:45,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ea0d239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:14:45, skipping insertion in model container [2024-11-09 07:14:45,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:14:45" (1/1) ... [2024-11-09 07:14:45,335 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:14:45,505 WARN L250 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_53db6f1f-c143-41f8-807b-ea095ac16224/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-72.i[915,928] [2024-11-09 07:14:45,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:14:45,573 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:14:45,587 WARN L250 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_53db6f1f-c143-41f8-807b-ea095ac16224/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-72.i[915,928] [2024-11-09 07:14:45,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:14:45,642 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:14:45,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:14:45 WrapperNode [2024-11-09 07:14:45,643 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:14:45,644 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:14:45,644 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:14:45,644 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:14:45,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:14:45" (1/1) ... [2024-11-09 07:14:45,662 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:14:45" (1/1) ... [2024-11-09 07:14:45,704 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 135 [2024-11-09 07:14:45,704 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:14:45,705 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:14:45,705 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:14:45,705 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:14:45,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:14:45" (1/1) ... [2024-11-09 07:14:45,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:14:45" (1/1) ... [2024-11-09 07:14:45,722 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:14:45" (1/1) ... [2024-11-09 07:14:45,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:14:45" (1/1) ... [2024-11-09 07:14:45,730 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:14:45" (1/1) ... [2024-11-09 07:14:45,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:14:45" (1/1) ... [2024-11-09 07:14:45,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:14:45" (1/1) ... [2024-11-09 07:14:45,738 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:14:45" (1/1) ... [2024-11-09 07:14:45,741 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:14:45,742 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:14:45,743 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:14:45,743 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:14:45,744 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:14:45" (1/1) ... [2024-11-09 07:14:45,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:14:45,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:14:45,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:14:45,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:14:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:14:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 07:14:45,812 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 07:14:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:14:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:14:45,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:14:45,894 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:14:45,895 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:14:46,196 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 07:14:46,196 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:14:46,488 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:14:46,490 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:14:46,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:14:46 BoogieIcfgContainer [2024-11-09 07:14:46,491 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:14:46,495 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:14:46,496 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:14:46,500 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:14:46,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:14:45" (1/3) ... [2024-11-09 07:14:46,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c0e967f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:14:46, skipping insertion in model container [2024-11-09 07:14:46,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:14:45" (2/3) ... [2024-11-09 07:14:46,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c0e967f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:14:46, skipping insertion in model container [2024-11-09 07:14:46,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:14:46" (3/3) ... [2024-11-09 07:14:46,506 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-72.i [2024-11-09 07:14:46,526 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:14:46,527 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:14:46,594 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:14:46,600 INFO L333 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, 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;@7ea68e12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:14:46,600 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:14:46,603 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 07:14:46,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 07:14:46,612 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:14:46,612 INFO L215 NwaCegarLoop]: trace histogram [17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:14:46,613 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:14:46,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:14:46,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1472221832, now seen corresponding path program 1 times [2024-11-09 07:14:46,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:14:46,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964861915] [2024-11-09 07:14:46,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:14:46,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:14:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 07:14:47,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [314960020] [2024-11-09 07:14:47,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:14:47,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:14:47,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:14:47,050 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:14:47,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 07:14:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:14:47,389 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:14:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:14:47,566 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 07:14:47,569 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:14:47,571 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 07:14:47,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 07:14:47,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:14:47,778 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 07:14:47,854 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:14:47,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:14:47 BoogieIcfgContainer [2024-11-09 07:14:47,858 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:14:47,859 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:14:47,859 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:14:47,859 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:14:47,860 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:14:46" (3/4) ... [2024-11-09 07:14:47,862 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 07:14:47,864 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:14:47,865 INFO L158 Benchmark]: Toolchain (without parser) took 2577.09ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 108.0MB in the beginning and 98.5MB in the end (delta: 9.5MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2024-11-09 07:14:47,866 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 140.5MB. Free memory is still 110.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:14:47,866 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.30ms. Allocated memory is still 140.5MB. Free memory was 107.5MB in the beginning and 92.4MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 07:14:47,867 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.39ms. Allocated memory is still 140.5MB. Free memory was 92.4MB in the beginning and 89.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:14:47,867 INFO L158 Benchmark]: Boogie Preprocessor took 36.68ms. Allocated memory is still 140.5MB. Free memory was 89.8MB in the beginning and 87.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:14:47,868 INFO L158 Benchmark]: RCFGBuilder took 748.60ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 87.7MB in the beginning and 146.7MB in the end (delta: -58.9MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2024-11-09 07:14:47,869 INFO L158 Benchmark]: TraceAbstraction took 1363.11ms. Allocated memory is still 178.3MB. Free memory was 145.6MB in the beginning and 99.5MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-09 07:14:47,869 INFO L158 Benchmark]: Witness Printer took 5.26ms. Allocated memory is still 178.3MB. Free memory was 99.5MB in the beginning and 98.5MB in the end (delta: 969.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:14:47,872 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 140.5MB. Free memory is still 110.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.30ms. Allocated memory is still 140.5MB. Free memory was 107.5MB in the beginning and 92.4MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.39ms. Allocated memory is still 140.5MB. Free memory was 92.4MB in the beginning and 89.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.68ms. Allocated memory is still 140.5MB. Free memory was 89.8MB in the beginning and 87.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 748.60ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 87.7MB in the beginning and 146.7MB in the end (delta: -58.9MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1363.11ms. Allocated memory is still 178.3MB. Free memory was 145.6MB in the beginning and 99.5MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 5.26ms. Allocated memory is still 178.3MB. Free memory was 99.5MB in the beginning and 98.5MB in the end (delta: 969.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 55. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 16; [L23] signed char var_1_10 = 2; [L24] signed char var_1_11 = 1; [L25] float var_1_14 = 64.3; [L26] signed char var_1_16 = 32; [L27] unsigned char var_1_17 = 1; [L28] unsigned char var_1_18 = 0; [L29] unsigned char var_1_19 = 0; [L30] double var_1_20 = 9.25; [L31] double var_1_21 = 255.05; [L32] double var_1_22 = 25.5; [L33] unsigned char var_1_23 = 2; [L34] unsigned char var_1_25 = 1; [L35] unsigned short int var_1_26 = 5; [L36] unsigned char var_1_27 = 128; [L37] unsigned char var_1_28 = 1; [L38] signed long int var_1_29 = 128; [L39] unsigned long int var_1_31 = 1; [L40] unsigned char last_1_var_1_17 = 1; [L41] double last_1_var_1_20 = 9.25; [L42] unsigned char last_1_var_1_23 = 2; [L43] unsigned short int last_1_var_1_26 = 5; [L44] signed long int last_1_var_1_29 = 128; [L131] isInitial = 1 [L132] FCALL initially() [L133] COND TRUE 1 [L134] CALL updateLastVariables() [L120] last_1_var_1_17 = var_1_17 [L121] last_1_var_1_20 = var_1_20 [L122] last_1_var_1_23 = var_1_23 [L123] last_1_var_1_26 = var_1_26 [L124] last_1_var_1_29 = var_1_29 [L134] RET updateLastVariables() [L135] CALL updateVariables() [L91] var_1_11 = __VERIFIER_nondet_char() [L92] CALL assume_abort_if_not(var_1_11 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_14=643/10, var_1_16=32, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_11 >= -63) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_14=643/10, var_1_16=32, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1] [L93] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_14=643/10, var_1_16=32, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_14=643/10, var_1_16=32, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1] [L94] var_1_14 = __VERIFIER_nondet_float() [L95] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_16=32, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_16=32, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1] [L96] var_1_16 = __VERIFIER_nondet_char() [L97] CALL assume_abort_if_not(var_1_16 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_16 >= -63) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1] [L98] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1] [L99] var_1_18 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_18 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_18 >= 1) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1] [L101] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1] [L102] var_1_19 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_19 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_19 >= 1) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1] [L104] CALL assume_abort_if_not(var_1_19 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_19 <= 1) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_21=5101/20, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1] [L105] var_1_21 = __VERIFIER_nondet_double() [L106] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_22=51/2, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1] [L107] var_1_22 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=1, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1] [L109] var_1_25 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1] [L111] CALL assume_abort_if_not(var_1_25 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=0, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_25 <= 254) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=0, var_1_26=5, var_1_27=128, var_1_28=1, var_1_29=128, var_1_31=1] [L112] var_1_27 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_27 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=0, var_1_26=5, var_1_27=127, var_1_28=1, var_1_29=128, var_1_31=1] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_27 >= 127) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=0, var_1_26=5, var_1_27=127, var_1_28=1, var_1_29=128, var_1_31=1] [L114] CALL assume_abort_if_not(var_1_27 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=0, var_1_26=5, var_1_27=127, var_1_28=1, var_1_29=128, var_1_31=1] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_27 <= 255) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=0, var_1_26=5, var_1_27=127, var_1_28=1, var_1_29=128, var_1_31=1] [L115] var_1_28 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=0, var_1_26=5, var_1_27=127, var_1_29=128, var_1_31=1] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=0, var_1_26=5, var_1_27=127, var_1_29=128, var_1_31=1] [L117] CALL assume_abort_if_not(var_1_28 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=0, var_1_26=5, var_1_27=127, var_1_28=0, var_1_29=128, var_1_31=1] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_28 <= 127) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=2, var_1_11=-49, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=16, var_1_20=37/4, var_1_23=2, var_1_25=0, var_1_26=5, var_1_27=127, var_1_28=0, var_1_29=128, var_1_31=1] [L135] RET updateVariables() [L136] CALL step() [L48] COND TRUE (last_1_var_1_29 + last_1_var_1_29) > last_1_var_1_26 [L49] var_1_23 = var_1_25 [L51] COND FALSE !((last_1_var_1_29 * last_1_var_1_23) <= last_1_var_1_29) [L54] COND TRUE last_1_var_1_17 || last_1_var_1_17 [L55] COND FALSE !((((((last_1_var_1_20) < 0 ) ? -(last_1_var_1_20) : (last_1_var_1_20))) - var_1_14) == (last_1_var_1_20 + last_1_var_1_20)) [L58] var_1_10 = var_1_11 [L64] var_1_17 = (var_1_18 && var_1_19) [L65] COND FALSE !(! var_1_18) [L68] COND TRUE 256 >= var_1_10 [L69] COND FALSE !(var_1_17 && (var_1_25 >= (var_1_27 - var_1_28))) [L72] var_1_26 = var_1_28 [L77] var_1_31 = var_1_26 [L78] signed long int stepLocal_0 = var_1_23 * var_1_26; [L79] COND FALSE !(((((var_1_20) < (63.5)) ? (var_1_20) : (63.5))) > (2.4 * var_1_20)) [L86] var_1_1 = -50 [L88] var_1_29 = var_1_1 [L136] RET step() [L137] CALL, EXPR property() [L127-L128] return ((((((((((((var_1_20) < (63.5)) ? (var_1_20) : (63.5))) > (2.4 * var_1_20)) ? (((var_1_23 * var_1_26) <= (~ var_1_26)) ? (var_1_1 == ((signed short int) (((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10))) + var_1_23))) : (var_1_1 == ((signed short int) var_1_10))) : (var_1_1 == ((signed short int) -50))) && (((last_1_var_1_29 * last_1_var_1_23) <= last_1_var_1_29) ? (var_1_10 == ((signed char) (var_1_11 + 10))) : ((last_1_var_1_17 || last_1_var_1_17) ? (((((((last_1_var_1_20) < 0 ) ? -(last_1_var_1_20) : (last_1_var_1_20))) - var_1_14) == (last_1_var_1_20 + last_1_var_1_20)) ? (var_1_10 == ((signed char) (var_1_11 + var_1_16))) : (var_1_10 == ((signed char) var_1_11))) : (var_1_10 == ((signed char) var_1_16))))) && (var_1_17 == ((unsigned char) (var_1_18 && var_1_19)))) && ((! var_1_18) ? (var_1_20 == ((double) ((((var_1_21) > (var_1_22)) ? (var_1_21) : (var_1_22))))) : 1)) && (((last_1_var_1_29 + last_1_var_1_29) > last_1_var_1_26) ? (var_1_23 == ((unsigned char) var_1_25)) : 1)) && ((256 >= var_1_10) ? ((var_1_17 && (var_1_25 >= (var_1_27 - var_1_28))) ? (var_1_26 == ((unsigned short int) 16)) : (var_1_26 == ((unsigned short int) var_1_28))) : (var_1_26 == ((unsigned short int) var_1_25)))) && (var_1_29 == ((signed long int) var_1_1))) && (var_1_31 == ((unsigned long int) var_1_26)) ; [L137] RET, EXPR property() [L137] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=-49, var_1_11=-49, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=-50, var_1_20=37/4, var_1_21=0, var_1_22=0, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=127, var_1_28=0, var_1_29=-50, var_1_31=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_17=1, last_1_var_1_20=37/4, last_1_var_1_23=2, last_1_var_1_26=5, last_1_var_1_29=128, var_1_10=-49, var_1_11=-49, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=-50, var_1_20=37/4, var_1_21=0, var_1_22=0, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=127, var_1_28=0, var_1_29=-50, var_1_31=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 17, 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=36occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 2 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 [2024-11-09 07:14:47,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/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_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje --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 1ab9e72004f6e44dd1c99d656a25b9afb9dd4f8a7dce6d645f7dcf92d5c06291 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:14:50,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:14:50,448 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 07:14:50,453 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:14:50,454 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:14:50,484 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:14:50,485 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:14:50,485 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:14:50,487 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:14:50,489 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:14:50,490 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:14:50,490 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:14:50,491 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:14:50,491 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:14:50,495 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:14:50,496 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:14:50,496 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:14:50,497 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:14:50,497 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:14:50,497 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:14:50,498 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:14:50,498 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:14:50,498 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:14:50,500 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:14:50,500 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 07:14:50,500 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 07:14:50,501 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:14:50,501 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 07:14:50,501 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:14:50,502 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:14:50,502 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:14:50,502 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:14:50,503 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 07:14:50,503 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:14:50,503 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:14:50,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:14:50,504 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:14:50,504 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:14:50,505 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:14:50,505 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 07:14:50,505 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 07:14:50,518 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:14:50,518 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:14:50,518 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ab9e72004f6e44dd1c99d656a25b9afb9dd4f8a7dce6d645f7dcf92d5c06291 [2024-11-09 07:14:50,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:14:50,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:14:50,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:14:50,996 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:14:50,996 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:14:50,998 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-72.i Unable to find full path for "g++" [2024-11-09 07:14:53,149 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:14:53,417 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:14:53,418 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-72.i [2024-11-09 07:14:53,428 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/data/ce3afce27/f5901eb63bb04ea2888f617152fdca5a/FLAGdb29f3667 [2024-11-09 07:14:53,451 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/data/ce3afce27/f5901eb63bb04ea2888f617152fdca5a [2024-11-09 07:14:53,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:14:53,458 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:14:53,461 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:14:53,461 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:14:53,467 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:14:53,468 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:14:53" (1/1) ... [2024-11-09 07:14:53,469 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@750b85c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:14:53, skipping insertion in model container [2024-11-09 07:14:53,472 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:14:53" (1/1) ... [2024-11-09 07:14:53,506 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:14:53,701 WARN L250 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_53db6f1f-c143-41f8-807b-ea095ac16224/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-72.i[915,928] [2024-11-09 07:14:53,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:14:53,819 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:14:53,837 WARN L250 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_53db6f1f-c143-41f8-807b-ea095ac16224/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-72.i[915,928] [2024-11-09 07:14:53,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:14:53,927 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:14:53,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:14:53 WrapperNode [2024-11-09 07:14:53,927 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:14:53,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:14:53,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:14:53,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:14:53,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:14:53" (1/1) ... [2024-11-09 07:14:53,954 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:14:53" (1/1) ... [2024-11-09 07:14:53,993 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2024-11-09 07:14:53,994 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:14:53,994 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:14:53,997 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:14:53,998 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:14:54,007 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:14:53" (1/1) ... [2024-11-09 07:14:54,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:14:53" (1/1) ... [2024-11-09 07:14:54,016 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:14:53" (1/1) ... [2024-11-09 07:14:54,016 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:14:53" (1/1) ... [2024-11-09 07:14:54,025 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:14:53" (1/1) ... [2024-11-09 07:14:54,029 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:14:53" (1/1) ... [2024-11-09 07:14:54,032 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:14:53" (1/1) ... [2024-11-09 07:14:54,034 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:14:53" (1/1) ... [2024-11-09 07:14:54,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:14:54,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:14:54,039 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:14:54,039 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:14:54,040 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:14:53" (1/1) ... [2024-11-09 07:14:54,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:14:54,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:14:54,075 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:14:54,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:14:54,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:14:54,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 07:14:54,114 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 07:14:54,114 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 07:14:54,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:14:54,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:14:54,226 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:14:54,229 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:15:01,248 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 07:15:01,249 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:15:01,267 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:15:01,267 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:15:01,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:15:01 BoogieIcfgContainer [2024-11-09 07:15:01,268 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:15:01,271 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:15:01,271 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:15:01,274 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:15:01,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:14:53" (1/3) ... [2024-11-09 07:15:01,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68da626b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:15:01, skipping insertion in model container [2024-11-09 07:15:01,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:14:53" (2/3) ... [2024-11-09 07:15:01,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68da626b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:15:01, skipping insertion in model container [2024-11-09 07:15:01,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:15:01" (3/3) ... [2024-11-09 07:15:01,279 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-72.i [2024-11-09 07:15:01,300 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:15:01,301 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:15:01,378 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:15:01,385 INFO L333 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, 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;@438f5894, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:15:01,386 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:15:01,390 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 07:15:01,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-09 07:15:01,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:15:01,403 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:15:01,404 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:15:01,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:15:01,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1850797944, now seen corresponding path program 1 times [2024-11-09 07:15:01,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:15:01,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1765743908] [2024-11-09 07:15:01,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:15:01,425 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 [2024-11-09 07:15:01,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:15:01,429 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 07:15:01,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:15:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:15:01,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 07:15:01,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:15:02,044 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2024-11-09 07:15:02,045 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:15:02,049 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:15:02,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1765743908] [2024-11-09 07:15:02,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1765743908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:15:02,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:15:02,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:15:02,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606176646] [2024-11-09 07:15:02,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:15:02,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 07:15:02,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:15:02,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 07:15:02,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:15:02,091 INFO L87 Difference]: Start difference. First operand has 58 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 07:15:02,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:15:02,135 INFO L93 Difference]: Finished difference Result 109 states and 183 transitions. [2024-11-09 07:15:02,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 07:15:02,139 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 112 [2024-11-09 07:15:02,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:15:02,147 INFO L225 Difference]: With dead ends: 109 [2024-11-09 07:15:02,148 INFO L226 Difference]: Without dead ends: 54 [2024-11-09 07:15:02,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:15:02,158 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 07:15:02,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 07:15:02,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-09 07:15:02,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-09 07:15:02,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 35 states have internal predecessors, (44), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 07:15:02,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2024-11-09 07:15:02,217 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 112 [2024-11-09 07:15:02,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:15:02,220 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2024-11-09 07:15:02,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 07:15:02,220 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2024-11-09 07:15:02,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-09 07:15:02,227 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:15:02,228 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:15:02,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-09 07:15:02,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:15:02,429 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:15:02,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:15:02,429 INFO L85 PathProgramCache]: Analyzing trace with hash 439276532, now seen corresponding path program 1 times [2024-11-09 07:15:02,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:15:02,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [500348711] [2024-11-09 07:15:02,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:15:02,431 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 [2024-11-09 07:15:02,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:15:02,434 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 07:15:02,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:15:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:15:02,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 07:15:02,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:15:05,317 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 07:15:05,319 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:15:05,319 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:15:05,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [500348711] [2024-11-09 07:15:05,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [500348711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:15:05,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:15:05,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:15:05,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657194752] [2024-11-09 07:15:05,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:15:05,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:15:05,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:15:05,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:15:05,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:15:05,327 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 07:15:07,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:15:09,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:15:12,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:15:14,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:15:14,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:15:14,167 INFO L93 Difference]: Finished difference Result 168 states and 247 transitions. [2024-11-09 07:15:14,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 07:15:14,203 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 113 [2024-11-09 07:15:14,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:15:14,207 INFO L225 Difference]: With dead ends: 168 [2024-11-09 07:15:14,208 INFO L226 Difference]: Without dead ends: 117 [2024-11-09 07:15:14,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:15:14,210 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 58 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 35 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2024-11-09 07:15:14,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 225 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 19 Invalid, 4 Unknown, 0 Unchecked, 8.7s Time] [2024-11-09 07:15:14,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-09 07:15:14,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 89. [2024-11-09 07:15:14,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 52 states have (on average 1.1923076923076923) internal successors, (62), 52 states have internal predecessors, (62), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 07:15:14,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 130 transitions. [2024-11-09 07:15:14,263 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 130 transitions. Word has length 113 [2024-11-09 07:15:14,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:15:14,264 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 130 transitions. [2024-11-09 07:15:14,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 07:15:14,264 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 130 transitions. [2024-11-09 07:15:14,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-09 07:15:14,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:15:14,270 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:15:14,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/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)] Ended with exit code 0 [2024-11-09 07:15:14,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:15:14,475 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:15:14,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:15:14,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1254113940, now seen corresponding path program 1 times [2024-11-09 07:15:14,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:15:14,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [819086564] [2024-11-09 07:15:14,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:15:14,478 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 [2024-11-09 07:15:14,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:15:14,481 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 07:15:14,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:15:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:15:15,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 07:15:15,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:15:16,385 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 07:15:16,387 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:15:16,388 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:15:16,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [819086564] [2024-11-09 07:15:16,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [819086564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:15:16,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:15:16,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:15:16,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225777655] [2024-11-09 07:15:16,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:15:16,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:15:16,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:15:16,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:15:16,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:15:16,394 INFO L87 Difference]: Start difference. First operand 89 states and 130 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 07:15:18,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:15:20,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:15:23,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:15:25,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:15:25,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:15:25,033 INFO L93 Difference]: Finished difference Result 157 states and 228 transitions. [2024-11-09 07:15:25,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 07:15:25,073 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 114 [2024-11-09 07:15:25,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:15:25,076 INFO L225 Difference]: With dead ends: 157 [2024-11-09 07:15:25,076 INFO L226 Difference]: Without dead ends: 106 [2024-11-09 07:15:25,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:15:25,079 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 45 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 35 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2024-11-09 07:15:25,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 217 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 9 Invalid, 4 Unknown, 0 Unchecked, 8.6s Time] [2024-11-09 07:15:25,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-09 07:15:25,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 90. [2024-11-09 07:15:25,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 53 states have (on average 1.1886792452830188) internal successors, (63), 53 states have internal predecessors, (63), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 07:15:25,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 131 transitions. [2024-11-09 07:15:25,125 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 131 transitions. Word has length 114 [2024-11-09 07:15:25,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:15:25,126 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 131 transitions. [2024-11-09 07:15:25,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 07:15:25,126 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 131 transitions. [2024-11-09 07:15:25,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 07:15:25,132 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:15:25,133 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:15:25,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-09 07:15:25,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:15:25,334 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:15:25,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:15:25,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1262081009, now seen corresponding path program 1 times [2024-11-09 07:15:25,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:15:25,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [200082927] [2024-11-09 07:15:25,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:15:25,336 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 [2024-11-09 07:15:25,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:15:25,340 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 07:15:25,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-09 07:15:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:15:25,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 07:15:25,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:15:26,756 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 246 proven. 33 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-09 07:15:26,756 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:15:27,697 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 15 proven. 33 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-09 07:15:27,698 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:15:27,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [200082927] [2024-11-09 07:15:27,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [200082927] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:15:27,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [761866894] [2024-11-09 07:15:27,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:15:27,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 07:15:27,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 07:15:27,704 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 07:15:27,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 07:15:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:15:29,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 07:15:29,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:15:29,656 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 246 proven. 33 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-09 07:15:29,657 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:15:30,332 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 15 proven. 33 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-09 07:15:30,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [761866894] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:15:30,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128823356] [2024-11-09 07:15:30,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:15:30,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:15:30,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:15:30,336 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:15:30,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 07:15:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:15:30,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 07:15:30,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:15:31,317 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 246 proven. 33 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-09 07:15:31,318 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:15:31,988 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 15 proven. 33 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-09 07:15:31,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2128823356] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:15:31,989 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 07:15:31,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2024-11-09 07:15:31,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969265369] [2024-11-09 07:15:31,990 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 07:15:31,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 07:15:31,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:15:31,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 07:15:31,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 07:15:31,994 INFO L87 Difference]: Start difference. First operand 90 states and 131 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-09 07:15:35,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:15:37,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:15:39,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:15:39,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:15:39,273 INFO L93 Difference]: Finished difference Result 153 states and 216 transitions. [2024-11-09 07:15:39,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 07:15:39,273 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 115 [2024-11-09 07:15:39,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:15:39,276 INFO L225 Difference]: With dead ends: 153 [2024-11-09 07:15:39,276 INFO L226 Difference]: Without dead ends: 102 [2024-11-09 07:15:39,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 687 GetRequests, 676 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-09 07:15:39,278 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 54 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 13 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:15:39,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 167 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 152 Invalid, 3 Unknown, 0 Unchecked, 7.1s Time] [2024-11-09 07:15:39,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-09 07:15:39,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 98. [2024-11-09 07:15:39,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 59 states have (on average 1.152542372881356) internal successors, (68), 59 states have internal predecessors, (68), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 07:15:39,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 136 transitions. [2024-11-09 07:15:39,321 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 136 transitions. Word has length 115 [2024-11-09 07:15:39,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:15:39,322 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 136 transitions. [2024-11-09 07:15:39,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-09 07:15:39,322 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 136 transitions. [2024-11-09 07:15:39,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 07:15:39,327 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:15:39,328 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:15:39,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 07:15:39,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-09 07:15:39,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-09 07:15:39,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 07:15:39,929 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:15:39,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:15:39,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1655108019, now seen corresponding path program 1 times [2024-11-09 07:15:39,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:15:39,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1034975230] [2024-11-09 07:15:39,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:15:39,931 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 [2024-11-09 07:15:39,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:15:39,935 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 07:15:39,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53db6f1f-c143-41f8-807b-ea095ac16224/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-09 07:15:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:15:40,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 07:15:40,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:16:36,226 WARN L873 $PredicateComparison]: unable to prove that (and (= c_~last_1_var_1_29~0 (_ bv128 32)) (let ((.cse0 (fp.lt c_~last_1_var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_14~0)) (.cse2 (fp.add c_currentRoundingMode c_~last_1_var_1_20~0 c_~last_1_var_1_20~0))) (or (and (not .cse0) (fp.eq (fp.sub c_currentRoundingMode c_~last_1_var_1_20~0 .cse1) .cse2)) (and .cse0 (fp.eq (fp.sub c_currentRoundingMode (fp.neg c_~last_1_var_1_20~0) .cse1) .cse2)))) (= c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 37.0 4.0))) (= c_~last_1_var_1_23~0 (_ bv2 8)) (= c_~var_1_23~0 c_~var_1_25~0) (bvsge ((_ zero_extend 24) c_~var_1_18~0) (_ bv1 32)) (bvsge ((_ zero_extend 24) c_~var_1_19~0) (_ bv1 32)) (= (_ bv1 8) c_~last_1_var_1_17~0) (= ((_ extract 7 0) (bvadd ((_ sign_extend 24) c_~var_1_16~0) ((_ sign_extend 24) c_~var_1_11~0))) c_~var_1_10~0) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2024-11-09 07:17:30,881 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~last_1_var_1_29~0 (_ bv128 32)) (let ((.cse0 (fp.lt c_~last_1_var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_14~0)) (.cse2 (fp.add c_currentRoundingMode c_~last_1_var_1_20~0 c_~last_1_var_1_20~0))) (or (and (not .cse0) (fp.eq (fp.sub c_currentRoundingMode c_~last_1_var_1_20~0 .cse1) .cse2)) (and .cse0 (fp.eq (fp.sub c_currentRoundingMode (fp.neg c_~last_1_var_1_20~0) .cse1) .cse2)))) (= c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 37.0 4.0))) (= (_ bv1 8) c_~var_1_17~0) (= c_~last_1_var_1_23~0 (_ bv2 8)) (= c_~var_1_23~0 c_~var_1_25~0) (bvsge ((_ zero_extend 24) c_~var_1_18~0) (_ bv1 32)) (bvsge ((_ zero_extend 24) c_~var_1_19~0) (_ bv1 32)) (= (_ bv1 8) c_~last_1_var_1_17~0) (= ((_ extract 7 0) (bvadd ((_ sign_extend 24) c_~var_1_16~0) ((_ sign_extend 24) c_~var_1_11~0))) c_~var_1_10~0) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-09 07:21:42,101 WARN L286 SmtUtils]: Spent 1.04m on a formula simplification that was a NOOP. DAG size: 65 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:22:45,875 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~var_1_26~0 ((_ zero_extend 8) c_~var_1_28~0)) (= c_~last_1_var_1_29~0 (_ bv128 32)) (let ((.cse0 (fp.lt c_~last_1_var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_14~0)) (.cse2 (fp.add c_currentRoundingMode c_~last_1_var_1_20~0 c_~last_1_var_1_20~0))) (or (and (not .cse0) (fp.eq (fp.sub c_currentRoundingMode c_~last_1_var_1_20~0 .cse1) .cse2)) (and .cse0 (fp.eq (fp.sub c_currentRoundingMode (fp.neg c_~last_1_var_1_20~0) .cse1) .cse2)))) (= c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 37.0 4.0))) (= (_ bv1 8) c_~var_1_17~0) (= c_~last_1_var_1_23~0 (_ bv2 8)) (= c_~var_1_23~0 c_~var_1_25~0) (bvsge ((_ zero_extend 24) c_~var_1_18~0) (_ bv1 32)) (= ((_ zero_extend 16) c_~var_1_26~0) c_~var_1_31~0) (bvsge ((_ zero_extend 24) c_~var_1_19~0) (_ bv1 32)) (= (_ bv1 8) c_~last_1_var_1_17~0) (= ((_ extract 7 0) (bvadd ((_ sign_extend 24) c_~var_1_16~0) ((_ sign_extend 24) c_~var_1_11~0))) c_~var_1_10~0) (not (bvsge ((_ zero_extend 24) c_~var_1_25~0) (bvadd (bvneg ((_ zero_extend 24) c_~var_1_28~0)) ((_ zero_extend 24) c_~var_1_27~0)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-09 07:22:47,900 WARN L873 $PredicateComparison]: unable to prove that (and (= c_~var_1_26~0 ((_ zero_extend 8) c_~var_1_28~0)) (= c_~last_1_var_1_29~0 (_ bv128 32)) (let ((.cse0 (fp.lt c_~last_1_var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_14~0)) (.cse2 (fp.add c_currentRoundingMode c_~last_1_var_1_20~0 c_~last_1_var_1_20~0))) (or (and (not .cse0) (fp.eq (fp.sub c_currentRoundingMode c_~last_1_var_1_20~0 .cse1) .cse2)) (and .cse0 (fp.eq (fp.sub c_currentRoundingMode (fp.neg c_~last_1_var_1_20~0) .cse1) .cse2)))) (= c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 37.0 4.0))) (= (_ bv1 8) c_~var_1_17~0) (= c_~last_1_var_1_23~0 (_ bv2 8)) (= c_~var_1_23~0 c_~var_1_25~0) (bvsge ((_ zero_extend 24) c_~var_1_18~0) (_ bv1 32)) (= ((_ zero_extend 16) c_~var_1_26~0) c_~var_1_31~0) (bvsge ((_ zero_extend 24) c_~var_1_19~0) (_ bv1 32)) (= (_ bv1 8) c_~last_1_var_1_17~0) (= ((_ extract 7 0) (bvadd ((_ sign_extend 24) c_~var_1_16~0) ((_ sign_extend 24) c_~var_1_11~0))) c_~var_1_10~0) (not (bvsge ((_ zero_extend 24) c_~var_1_25~0) (bvadd (bvneg ((_ zero_extend 24) c_~var_1_28~0)) ((_ zero_extend 24) c_~var_1_27~0)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2024-11-09 07:23:58,101 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~var_1_26~0 ((_ zero_extend 8) c_~var_1_28~0)) (= c_~last_1_var_1_29~0 (_ bv128 32)) (let ((.cse0 (fp.lt c_~last_1_var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_14~0)) (.cse2 (fp.add c_currentRoundingMode c_~last_1_var_1_20~0 c_~last_1_var_1_20~0))) (or (and (not .cse0) (fp.eq (fp.sub c_currentRoundingMode c_~last_1_var_1_20~0 .cse1) .cse2)) (and .cse0 (fp.eq (fp.sub c_currentRoundingMode (fp.neg c_~last_1_var_1_20~0) .cse1) .cse2)))) (= c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 37.0 4.0))) (= (_ bv1 8) c_~var_1_17~0) (= c_~last_1_var_1_23~0 (_ bv2 8)) (= c_~var_1_23~0 c_~var_1_25~0) (= (_ bv0 16) (bvadd c_~var_1_1~0 (_ bv50 16))) (bvsge ((_ zero_extend 24) c_~var_1_18~0) (_ bv1 32)) (= ((_ zero_extend 16) c_~var_1_26~0) c_~var_1_31~0) (bvsge ((_ zero_extend 24) c_~var_1_19~0) (_ bv1 32)) (= (_ bv1 8) c_~last_1_var_1_17~0) (= ((_ extract 7 0) (bvadd ((_ sign_extend 24) c_~var_1_16~0) ((_ sign_extend 24) c_~var_1_11~0))) c_~var_1_10~0) (not (bvsge ((_ zero_extend 24) c_~var_1_25~0) (bvadd (bvneg ((_ zero_extend 24) c_~var_1_28~0)) ((_ zero_extend 24) c_~var_1_27~0)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-09 07:24:00,122 WARN L873 $PredicateComparison]: unable to prove that (and (= c_~var_1_26~0 ((_ zero_extend 8) c_~var_1_28~0)) (= c_~last_1_var_1_29~0 (_ bv128 32)) (let ((.cse0 (fp.lt c_~last_1_var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_14~0)) (.cse2 (fp.add c_currentRoundingMode c_~last_1_var_1_20~0 c_~last_1_var_1_20~0))) (or (and (not .cse0) (fp.eq (fp.sub c_currentRoundingMode c_~last_1_var_1_20~0 .cse1) .cse2)) (and .cse0 (fp.eq (fp.sub c_currentRoundingMode (fp.neg c_~last_1_var_1_20~0) .cse1) .cse2)))) (= c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 37.0 4.0))) (= (_ bv1 8) c_~var_1_17~0) (= c_~last_1_var_1_23~0 (_ bv2 8)) (= c_~var_1_23~0 c_~var_1_25~0) (= (_ bv0 16) (bvadd c_~var_1_1~0 (_ bv50 16))) (bvsge ((_ zero_extend 24) c_~var_1_18~0) (_ bv1 32)) (= ((_ zero_extend 16) c_~var_1_26~0) c_~var_1_31~0) (bvsge ((_ zero_extend 24) c_~var_1_19~0) (_ bv1 32)) (= (_ bv1 8) c_~last_1_var_1_17~0) (= ((_ extract 7 0) (bvadd ((_ sign_extend 24) c_~var_1_16~0) ((_ sign_extend 24) c_~var_1_11~0))) c_~var_1_10~0) (not (bvsge ((_ zero_extend 24) c_~var_1_25~0) (bvadd (bvneg ((_ zero_extend 24) c_~var_1_28~0)) ((_ zero_extend 24) c_~var_1_27~0)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2024-11-09 07:25:05,832 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~var_1_26~0 ((_ zero_extend 8) c_~var_1_28~0)) (= c_~last_1_var_1_29~0 (_ bv128 32)) (let ((.cse0 (fp.lt c_~last_1_var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_14~0)) (.cse2 (fp.add c_currentRoundingMode c_~last_1_var_1_20~0 c_~last_1_var_1_20~0))) (or (and (not .cse0) (fp.eq (fp.sub c_currentRoundingMode c_~last_1_var_1_20~0 .cse1) .cse2)) (and .cse0 (fp.eq (fp.sub c_currentRoundingMode (fp.neg c_~last_1_var_1_20~0) .cse1) .cse2)))) (= c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 37.0 4.0))) (= (_ bv1 8) c_~var_1_17~0) (= c_~last_1_var_1_23~0 (_ bv2 8)) (= c_~var_1_23~0 c_~var_1_25~0) (= (_ bv0 16) (bvadd c_~var_1_1~0 (_ bv50 16))) (bvsge ((_ zero_extend 24) c_~var_1_18~0) (_ bv1 32)) (= ((_ zero_extend 16) c_~var_1_26~0) c_~var_1_31~0) (= ((_ sign_extend 16) (_ bv65486 16)) c_~var_1_29~0) (bvsge ((_ zero_extend 24) c_~var_1_19~0) (_ bv1 32)) (= (_ bv1 8) c_~last_1_var_1_17~0) (= ((_ extract 7 0) (bvadd ((_ sign_extend 24) c_~var_1_16~0) ((_ sign_extend 24) c_~var_1_11~0))) c_~var_1_10~0) (not (bvsge ((_ zero_extend 24) c_~var_1_25~0) (bvadd (bvneg ((_ zero_extend 24) c_~var_1_28~0)) ((_ zero_extend 24) c_~var_1_27~0)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false