./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.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_52c37b17-04e2-422d-8ccf-56b590f8e250/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/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_52c37b17-04e2-422d-8ccf-56b590f8e250/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/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_52c37b17-04e2-422d-8ccf-56b590f8e250/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 6768dd66a63438b97c4000afe1975121b113cc0e56ca3e7c3bb97c4a3e086311 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:43:34,171 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:43:34,254 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:43:34,258 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:43:34,259 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:43:34,280 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:43:34,281 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:43:34,281 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:43:34,282 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:43:34,282 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:43:34,284 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:43:34,285 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:43:34,285 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:43:34,286 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:43:34,286 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:43:34,286 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:43:34,287 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:43:34,287 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:43:34,290 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:43:34,290 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:43:34,290 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:43:34,291 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:43:34,292 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:43:34,292 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:43:34,292 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:43:34,292 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:43:34,293 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:43:34,293 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:43:34,293 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:43:34,294 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:43:34,294 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:43:34,298 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:43:34,314 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:43:34,314 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:43:34,315 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:43:34,315 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:43:34,315 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:43:34,315 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:43:34,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:43:34,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:43:34,316 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:43:34,318 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:43:34,318 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:43:34,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:43:34,319 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:43:34,319 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:43:34,319 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:43:34,320 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_52c37b17-04e2-422d-8ccf-56b590f8e250/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6768dd66a63438b97c4000afe1975121b113cc0e56ca3e7c3bb97c4a3e086311 [2024-11-09 06:43:34,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:43:34,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:43:34,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:43:34,665 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:43:34,665 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:43:34,666 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.i Unable to find full path for "g++" [2024-11-09 06:43:36,733 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:43:36,987 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:43:36,990 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.i [2024-11-09 06:43:37,003 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/bin/utaipan-verify-YMUCfTKeje/data/8e294b360/a94ba56520754c2c8aab60cdc60ee762/FLAG2aa09b1fb [2024-11-09 06:43:37,305 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/bin/utaipan-verify-YMUCfTKeje/data/8e294b360/a94ba56520754c2c8aab60cdc60ee762 [2024-11-09 06:43:37,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:43:37,310 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:43:37,312 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:43:37,312 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:43:37,320 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:43:37,321 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:43:37" (1/1) ... [2024-11-09 06:43:37,322 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52de41bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:43:37, skipping insertion in model container [2024-11-09 06:43:37,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:43:37" (1/1) ... [2024-11-09 06:43:37,352 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:43:37,560 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_52c37b17-04e2-422d-8ccf-56b590f8e250/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.i[915,928] [2024-11-09 06:43:37,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:43:37,632 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:43:37,646 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_52c37b17-04e2-422d-8ccf-56b590f8e250/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.i[915,928] [2024-11-09 06:43:37,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:43:37,696 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:43:37,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:43:37 WrapperNode [2024-11-09 06:43:37,697 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:43:37,699 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:43:37,699 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:43:37,700 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:43:37,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:43:37" (1/1) ... [2024-11-09 06:43:37,720 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:43:37" (1/1) ... [2024-11-09 06:43:37,757 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2024-11-09 06:43:37,757 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:43:37,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:43:37,758 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:43:37,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:43:37,782 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:43:37" (1/1) ... [2024-11-09 06:43:37,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:43:37" (1/1) ... [2024-11-09 06:43:37,788 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:43:37" (1/1) ... [2024-11-09 06:43:37,788 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:43:37" (1/1) ... [2024-11-09 06:43:37,803 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:43:37" (1/1) ... [2024-11-09 06:43:37,808 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:43:37" (1/1) ... [2024-11-09 06:43:37,811 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:43:37" (1/1) ... [2024-11-09 06:43:37,812 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:43:37" (1/1) ... [2024-11-09 06:43:37,815 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:43:37,817 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:43:37,817 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:43:37,817 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:43:37,818 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:43:37" (1/1) ... [2024-11-09 06:43:37,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:43:37,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:43:37,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:43:37,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:43:37,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:43:37,894 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:43:37,895 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:43:37,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:43:37,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:43:37,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:43:38,010 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:43:38,015 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:43:38,343 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-09 06:43:38,343 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:43:38,503 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:43:38,503 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:43:38,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:43:38 BoogieIcfgContainer [2024-11-09 06:43:38,504 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:43:38,506 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:43:38,507 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:43:38,510 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:43:38,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:43:37" (1/3) ... [2024-11-09 06:43:38,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ee6f3d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:43:38, skipping insertion in model container [2024-11-09 06:43:38,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:43:37" (2/3) ... [2024-11-09 06:43:38,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ee6f3d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:43:38, skipping insertion in model container [2024-11-09 06:43:38,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:43:38" (3/3) ... [2024-11-09 06:43:38,513 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-11.i [2024-11-09 06:43:38,532 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:43:38,533 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:43:38,602 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:43:38,609 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;@52d0c7c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:43:38,609 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:43:38,614 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 06:43:38,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 06:43:38,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:43:38,622 INFO L215 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:43:38,622 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:43:38,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:43:38,626 INFO L85 PathProgramCache]: Analyzing trace with hash 993785957, now seen corresponding path program 1 times [2024-11-09 06:43:38,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:43:38,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369441444] [2024-11-09 06:43:38,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:43:38,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:43:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 06:43:38,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [147978362] [2024-11-09 06:43:38,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:43:38,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:43:38,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:43:38,968 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:43:38,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:43:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:43:39,205 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:43:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:43:39,372 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:43:39,375 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:43:39,376 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:43:39,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 06:43:39,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 06:43:39,584 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:43:39,645 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:43:39,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:43:39 BoogieIcfgContainer [2024-11-09 06:43:39,648 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:43:39,649 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:43:39,649 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:43:39,649 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:43:39,650 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:43:38" (3/4) ... [2024-11-09 06:43:39,653 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:43:39,654 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:43:39,655 INFO L158 Benchmark]: Toolchain (without parser) took 2344.98ms. Allocated memory was 144.7MB in the beginning and 207.6MB in the end (delta: 62.9MB). Free memory was 106.7MB in the beginning and 152.1MB in the end (delta: -45.3MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-11-09 06:43:39,656 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 144.7MB. Free memory is still 113.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:43:39,657 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.87ms. Allocated memory is still 144.7MB. Free memory was 106.7MB in the beginning and 92.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 06:43:39,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.73ms. Allocated memory is still 144.7MB. Free memory was 92.4MB in the beginning and 90.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:43:39,658 INFO L158 Benchmark]: Boogie Preprocessor took 57.64ms. Allocated memory is still 144.7MB. Free memory was 90.4MB in the beginning and 88.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:43:39,659 INFO L158 Benchmark]: RCFGBuilder took 687.28ms. Allocated memory is still 144.7MB. Free memory was 88.8MB in the beginning and 63.9MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-09 06:43:39,660 INFO L158 Benchmark]: TraceAbstraction took 1141.60ms. Allocated memory was 144.7MB in the beginning and 207.6MB in the end (delta: 62.9MB). Free memory was 63.2MB in the beginning and 152.1MB in the end (delta: -88.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:43:39,660 INFO L158 Benchmark]: Witness Printer took 5.60ms. Allocated memory is still 207.6MB. Free memory is still 152.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:43:39,663 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 144.7MB. Free memory is still 113.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 385.87ms. Allocated memory is still 144.7MB. Free memory was 106.7MB in the beginning and 92.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.73ms. Allocated memory is still 144.7MB. Free memory was 92.4MB in the beginning and 90.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.64ms. Allocated memory is still 144.7MB. Free memory was 90.4MB in the beginning and 88.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 687.28ms. Allocated memory is still 144.7MB. Free memory was 88.8MB in the beginning and 63.9MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1141.60ms. Allocated memory was 144.7MB in the beginning and 207.6MB in the end (delta: 62.9MB). Free memory was 63.2MB in the beginning and 152.1MB in the end (delta: -88.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.60ms. Allocated memory is still 207.6MB. Free memory is still 152.1MB. 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 someBinaryDOUBLEComparisonOperation at line 39, overapproximation of someBinaryFLOATComparisonOperation at line 42. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -16; [L23] double var_1_2 = 50.75; [L24] unsigned char var_1_5 = 1; [L25] unsigned char var_1_6 = 0; [L26] signed char var_1_7 = 10; [L27] float var_1_8 = 32.5; [L28] float var_1_9 = 1000000.7; [L29] float var_1_10 = 1.2; [L30] unsigned short int var_1_11 = 256; [L31] signed long int var_1_12 = -64; [L32] signed long int var_1_13 = -16; [L33] unsigned short int var_1_14 = 56281; [L34] unsigned short int var_1_15 = 32; [L35] float last_1_var_1_8 = 32.5; [L102] isInitial = 1 [L103] FCALL initially() [L104] COND TRUE 1 [L105] CALL updateLastVariables() [L95] last_1_var_1_8 = var_1_8 [L105] RET updateLastVariables() [L106] CALL updateVariables() [L64] var_1_2 = __VERIFIER_nondet_double() [L65] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L66] var_1_5 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_6=0, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_6=0, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L68] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=0, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L69] var_1_6 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L71] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L72] var_1_7 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2, var_1_9=10000007/10] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2, var_1_9=10000007/10] [L74] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2, var_1_9=10000007/10] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2, var_1_9=10000007/10] [L75] var_1_9 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_10=6/5, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L77] var_1_10 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=-64, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L79] var_1_12 = __VERIFIER_nondet_long() [L80] CALL assume_abort_if_not(var_1_12 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_12 >= -2147483648) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L81] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L82] CALL assume_abort_if_not(var_1_12 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_12 != 0) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=-16, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L83] var_1_13 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_13 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=10, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_13 >= -2147483648) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=10, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L85] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=10, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=10, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L86] CALL assume_abort_if_not(var_1_13 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=10, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_13 != 0) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=10, var_1_14=56281, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L87] var_1_14 = __VERIFIER_nondet_ushort() [L88] CALL assume_abort_if_not(var_1_14 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=10, var_1_14=-32768, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_14 >= 32767) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=10, var_1_14=-32768, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L89] CALL assume_abort_if_not(var_1_14 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=10, var_1_14=-32768, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_14 <= 65534) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=10, var_1_14=-32768, var_1_15=32, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L90] var_1_15 = __VERIFIER_nondet_ushort() [L91] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=10, var_1_14=-32768, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=10, var_1_14=-32768, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L92] CALL assume_abort_if_not(var_1_15 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=10, var_1_14=-32768, var_1_15=0, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_15 <= 32767) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_11=256, var_1_12=8, var_1_13=10, var_1_14=-32768, var_1_15=0, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2] [L106] RET updateVariables() [L107] CALL step() [L39] COND TRUE last_1_var_1_8 >= var_1_2 [L40] COND TRUE \read(var_1_6) [L41] COND FALSE !(! var_1_5) [L44] var_1_8 = var_1_9 [L48] unsigned char stepLocal_0 = var_1_5; [L49] COND FALSE !((var_1_2 - 5.25) < (var_1_8 * (var_1_8 * 199.4))) [L58] signed long int stepLocal_1 = var_1_1 / ((((var_1_12) < (var_1_13)) ? (var_1_12) : (var_1_13))); [L59] COND FALSE !(stepLocal_1 < var_1_7) [L107] RET step() [L108] CALL, EXPR property() [L98-L99] return ((((var_1_2 - 5.25) < (var_1_8 * (var_1_8 * 199.4))) ? ((var_1_5 && var_1_6) ? ((var_1_8 < var_1_8) ? (var_1_1 == ((signed char) var_1_7)) : (var_1_1 == ((signed char) var_1_7))) : 1) : 1) && ((last_1_var_1_8 >= var_1_2) ? (var_1_6 ? ((! var_1_5) ? (var_1_8 == ((float) ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))))) : (var_1_8 == ((float) var_1_9))) : 1) : 1)) && (((var_1_1 / ((((var_1_12) < (var_1_13)) ? (var_1_12) : (var_1_13)))) < var_1_7) ? (var_1_11 == ((unsigned short int) (var_1_14 - var_1_15))) : 1) ; [L108] RET, EXPR property() [L108] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_8=65/2, var_1_10=0, var_1_11=256, var_1_12=8, var_1_13=10, var_1_14=-32768, var_1_15=0, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2, var_1_9=65/2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_8=65/2, var_1_10=0, var_1_11=256, var_1_12=8, var_1_13=10, var_1_14=-32768, var_1_15=0, var_1_1=-16, var_1_5=1, var_1_6=1, var_1_7=-126, var_1_8=65/2, var_1_9=65/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 19, 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=38occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 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 06:43:39,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/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_52c37b17-04e2-422d-8ccf-56b590f8e250/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/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_52c37b17-04e2-422d-8ccf-56b590f8e250/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 6768dd66a63438b97c4000afe1975121b113cc0e56ca3e7c3bb97c4a3e086311 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:43:42,391 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:43:42,496 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 06:43:42,503 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:43:42,505 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:43:42,536 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:43:42,536 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:43:42,537 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:43:42,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:43:42,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:43:42,538 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:43:42,541 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:43:42,542 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:43:42,544 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:43:42,544 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:43:42,544 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:43:42,545 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:43:42,545 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:43:42,546 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:43:42,546 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:43:42,551 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:43:42,551 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:43:42,551 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:43:42,552 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:43:42,552 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:43:42,552 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:43:42,552 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:43:42,553 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:43:42,553 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:43:42,553 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:43:42,553 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:43:42,554 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:43:42,554 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:43:42,554 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:43:42,555 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:43:42,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:43:42,556 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:43:42,556 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:43:42,557 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:43:42,557 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:43:42,558 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:43:42,558 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:43:42,558 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:43:42,558 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_52c37b17-04e2-422d-8ccf-56b590f8e250/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6768dd66a63438b97c4000afe1975121b113cc0e56ca3e7c3bb97c4a3e086311 [2024-11-09 06:43:42,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:43:43,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:43:43,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:43:43,012 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:43:43,013 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:43:43,014 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.i Unable to find full path for "g++" [2024-11-09 06:43:45,312 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:43:45,573 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:43:45,573 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.i [2024-11-09 06:43:45,589 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/bin/utaipan-verify-YMUCfTKeje/data/95b07d6eb/fe863c467ed643a1bf5d37d4286bb0cb/FLAGc4f4c846e [2024-11-09 06:43:45,901 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/bin/utaipan-verify-YMUCfTKeje/data/95b07d6eb/fe863c467ed643a1bf5d37d4286bb0cb [2024-11-09 06:43:45,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:43:45,905 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:43:45,907 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:43:45,908 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:43:45,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:43:45,917 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:43:45" (1/1) ... [2024-11-09 06:43:45,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@420ea5ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:43:45, skipping insertion in model container [2024-11-09 06:43:45,918 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:43:45" (1/1) ... [2024-11-09 06:43:45,970 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:43:46,212 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_52c37b17-04e2-422d-8ccf-56b590f8e250/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.i[915,928] [2024-11-09 06:43:46,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:43:46,313 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:43:46,327 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_52c37b17-04e2-422d-8ccf-56b590f8e250/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-11.i[915,928] [2024-11-09 06:43:46,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:43:46,389 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:43:46,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:43:46 WrapperNode [2024-11-09 06:43:46,390 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:43:46,392 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:43:46,392 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:43:46,392 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:43:46,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:43:46" (1/1) ... [2024-11-09 06:43:46,414 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:43:46" (1/1) ... [2024-11-09 06:43:46,454 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2024-11-09 06:43:46,455 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:43:46,455 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:43:46,456 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:43:46,456 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:43:46,467 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:43:46" (1/1) ... [2024-11-09 06:43:46,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:43:46" (1/1) ... [2024-11-09 06:43:46,470 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:43:46" (1/1) ... [2024-11-09 06:43:46,470 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:43:46" (1/1) ... [2024-11-09 06:43:46,486 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:43:46" (1/1) ... [2024-11-09 06:43:46,493 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:43:46" (1/1) ... [2024-11-09 06:43:46,496 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:43:46" (1/1) ... [2024-11-09 06:43:46,497 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:43:46" (1/1) ... [2024-11-09 06:43:46,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:43:46,505 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:43:46,509 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:43:46,510 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:43:46,511 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:43:46" (1/1) ... [2024-11-09 06:43:46,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:43:46,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:43:46,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:43:46,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:43:46,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:43:46,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:43:46,563 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:43:46,563 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:43:46,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:43:46,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:43:46,641 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:43:46,642 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:43:53,383 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-09 06:43:53,383 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:43:53,395 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:43:53,396 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:43:53,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:43:53 BoogieIcfgContainer [2024-11-09 06:43:53,396 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:43:53,398 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:43:53,398 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:43:53,401 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:43:53,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:43:45" (1/3) ... [2024-11-09 06:43:53,402 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39023eb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:43:53, skipping insertion in model container [2024-11-09 06:43:53,402 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:43:46" (2/3) ... [2024-11-09 06:43:53,402 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39023eb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:43:53, skipping insertion in model container [2024-11-09 06:43:53,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:43:53" (3/3) ... [2024-11-09 06:43:53,404 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-11.i [2024-11-09 06:43:53,416 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:43:53,417 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:43:53,489 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:43:53,496 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;@720ca0f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:43:53,497 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:43:53,501 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 06:43:53,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-09 06:43:53,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:43:53,514 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:43:53,515 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:43:53,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:43:53,520 INFO L85 PathProgramCache]: Analyzing trace with hash -795705315, now seen corresponding path program 1 times [2024-11-09 06:43:53,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:43:53,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1217621748] [2024-11-09 06:43:53,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:43:53,531 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 06:43:53,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:43:53,533 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/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 06:43:53,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/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 06:43:54,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:43:54,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 06:43:54,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:43:54,254 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-09 06:43:54,254 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:43:54,255 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:43:54,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1217621748] [2024-11-09 06:43:54,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1217621748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:43:54,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:43:54,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:43:54,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018509769] [2024-11-09 06:43:54,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:43:54,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:43:54,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:43:54,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:43:54,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:43:54,312 INFO L87 Difference]: Start difference. First operand has 57 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 06:43:54,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:43:54,350 INFO L93 Difference]: Finished difference Result 107 states and 183 transitions. [2024-11-09 06:43:54,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:43:54,353 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 119 [2024-11-09 06:43:54,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:43:54,362 INFO L225 Difference]: With dead ends: 107 [2024-11-09 06:43:54,362 INFO L226 Difference]: Without dead ends: 53 [2024-11-09 06:43:54,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 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 06:43:54,371 INFO L432 NwaCegarLoop]: 77 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, 77 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 06:43:54,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:43:54,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-09 06:43:54,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-09 06:43:54,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 06:43:54,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 77 transitions. [2024-11-09 06:43:54,430 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 77 transitions. Word has length 119 [2024-11-09 06:43:54,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:43:54,431 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 77 transitions. [2024-11-09 06:43:54,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 06:43:54,432 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 77 transitions. [2024-11-09 06:43:54,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-09 06:43:54,436 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:43:54,436 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:43:54,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/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)] Ended with exit code 0 [2024-11-09 06:43:54,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/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 06:43:54,638 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:43:54,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:43:54,639 INFO L85 PathProgramCache]: Analyzing trace with hash 2120098595, now seen corresponding path program 1 times [2024-11-09 06:43:54,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:43:54,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1244701846] [2024-11-09 06:43:54,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:43:54,641 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 06:43:54,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:43:54,643 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/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 06:43:54,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c37b17-04e2-422d-8ccf-56b590f8e250/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 06:43:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:43:55,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 06:43:55,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:44:06,448 WARN L851 $PredicateComparison]: unable to prove that (and (not (fp.lt (fp.sub c_currentRoundingMode c_~var_1_2~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_8~0))) (fp.mul c_currentRoundingMode .cse0 (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0))))))) (not (fp.geq ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_8~0) c_~var_1_2~0))) is different from false [2024-11-09 06:44:08,501 WARN L873 $PredicateComparison]: unable to prove that (and (not (fp.lt (fp.sub c_currentRoundingMode c_~var_1_2~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_8~0))) (fp.mul c_currentRoundingMode .cse0 (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0))))))) (not (fp.geq ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_8~0) c_~var_1_2~0))) is different from true [2024-11-09 06:44:31,462 WARN L851 $PredicateComparison]: unable to prove that (and (= ((_ extract 15 0) (bvadd (bvneg ((_ zero_extend 16) c_~var_1_15~0)) ((_ zero_extend 16) c_~var_1_14~0))) c_~var_1_11~0) (not (fp.lt (fp.sub c_currentRoundingMode c_~var_1_2~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_8~0))) (fp.mul c_currentRoundingMode .cse0 (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0))))))) (not (fp.geq ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_8~0) c_~var_1_2~0))) is different from false [2024-11-09 06:44:33,518 WARN L873 $PredicateComparison]: unable to prove that (and (= ((_ extract 15 0) (bvadd (bvneg ((_ zero_extend 16) c_~var_1_15~0)) ((_ zero_extend 16) c_~var_1_14~0))) c_~var_1_11~0) (not (fp.lt (fp.sub c_currentRoundingMode c_~var_1_2~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_8~0))) (fp.mul c_currentRoundingMode .cse0 (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0))))))) (not (fp.geq ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_8~0) c_~var_1_2~0))) is different from true