./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-65.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-65.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2 --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 71dfa0a4f236a73c35e5b369ba2d37d804ed373517c3a49a735fadde99b30392 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:23:59,775 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:23:59,868 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:23:59,875 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:23:59,875 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:23:59,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:23:59,915 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:23:59,915 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:23:59,916 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:23:59,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:23:59,916 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:23:59,917 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:23:59,917 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:23:59,917 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:23:59,918 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:23:59,918 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:23:59,918 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:23:59,925 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:23:59,926 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:23:59,926 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:23:59,926 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:23:59,927 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:23:59,927 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:23:59,928 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:23:59,928 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:23:59,932 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:23:59,932 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:23:59,932 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:23:59,933 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:23:59,933 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:23:59,933 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:23:59,935 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:23:59,936 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:23:59,936 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:23:59,937 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:23:59,937 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:23:59,937 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:23:59,938 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:23:59,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:23:59,940 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:23:59,940 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:23:59,941 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:23:59,941 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:23:59,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:23:59,942 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:23:59,942 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:23:59,942 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:23:59,942 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_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71dfa0a4f236a73c35e5b369ba2d37d804ed373517c3a49a735fadde99b30392 [2024-11-02 12:24:00,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:24:00,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:24:00,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:24:00,298 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:24:00,299 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:24:00,300 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-65.i Unable to find full path for "g++" [2024-11-02 12:24:02,624 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:24:02,848 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:24:02,849 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-65.i [2024-11-02 12:24:02,859 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/data/1265f9d52/9ee71cb6aee54498bed1b7d344059553/FLAG656d0725a [2024-11-02 12:24:02,875 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/data/1265f9d52/9ee71cb6aee54498bed1b7d344059553 [2024-11-02 12:24:02,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:24:02,881 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:24:02,883 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:24:02,883 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:24:02,889 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:24:02,890 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:24:02" (1/1) ... [2024-11-02 12:24:02,892 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9cc46f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:02, skipping insertion in model container [2024-11-02 12:24:02,894 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:24:02" (1/1) ... [2024-11-02 12:24:02,929 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:24:03,149 WARN L251 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_7916212f-1b8b-4998-8005-0ebae391203c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-65.i[919,932] [2024-11-02 12:24:03,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:24:03,256 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:24:03,269 WARN L251 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_7916212f-1b8b-4998-8005-0ebae391203c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-65.i[919,932] [2024-11-02 12:24:03,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:24:03,350 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:24:03,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:03 WrapperNode [2024-11-02 12:24:03,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:24:03,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:24:03,352 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:24:03,352 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:24:03,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:03" (1/1) ... [2024-11-02 12:24:03,375 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:03" (1/1) ... [2024-11-02 12:24:03,435 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 253 [2024-11-02 12:24:03,437 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:24:03,438 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:24:03,438 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:24:03,438 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:24:03,448 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:03" (1/1) ... [2024-11-02 12:24:03,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:03" (1/1) ... [2024-11-02 12:24:03,453 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:03" (1/1) ... [2024-11-02 12:24:03,453 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:03" (1/1) ... [2024-11-02 12:24:03,465 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:03" (1/1) ... [2024-11-02 12:24:03,471 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:03" (1/1) ... [2024-11-02 12:24:03,476 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:03" (1/1) ... [2024-11-02 12:24:03,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:03" (1/1) ... [2024-11-02 12:24:03,485 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:24:03,486 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:24:03,487 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:24:03,487 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:24:03,488 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:03" (1/1) ... [2024-11-02 12:24:03,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:24:03,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:24:03,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:24:03,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:24:03,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:24:03,571 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:24:03,571 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:24:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:24:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:24:03,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:24:03,696 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:24:03,701 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:24:04,308 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-02 12:24:04,311 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:24:04,719 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:24:04,720 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:24:04,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:24:04 BoogieIcfgContainer [2024-11-02 12:24:04,720 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:24:04,723 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:24:04,723 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:24:04,727 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:24:04,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:24:02" (1/3) ... [2024-11-02 12:24:04,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13fbe3b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:24:04, skipping insertion in model container [2024-11-02 12:24:04,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:03" (2/3) ... [2024-11-02 12:24:04,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13fbe3b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:24:04, skipping insertion in model container [2024-11-02 12:24:04,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:24:04" (3/3) ... [2024-11-02 12:24:04,730 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-65.i [2024-11-02 12:24:04,751 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:24:04,751 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:24:04,831 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:24:04,840 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;@493d4fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:24:04,840 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:24:04,846 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-02 12:24:04,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-02 12:24:04,859 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:24:04,860 INFO L215 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:24:04,860 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:24:04,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:24:04,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1413088279, now seen corresponding path program 1 times [2024-11-02 12:24:04,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:24:04,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069924176] [2024-11-02 12:24:04,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:24:04,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:24:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:24:05,426 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:24:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:24:05,774 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:24:05,777 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:24:05,779 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:24:05,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:24:05,786 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:24:05,919 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:24:05,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:24:05 BoogieIcfgContainer [2024-11-02 12:24:05,922 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:24:05,923 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:24:05,923 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:24:05,923 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:24:05,924 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:24:04" (3/4) ... [2024-11-02 12:24:05,929 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:24:05,930 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:24:05,931 INFO L158 Benchmark]: Toolchain (without parser) took 3051.26ms. Allocated memory was 134.2MB in the beginning and 192.9MB in the end (delta: 58.7MB). Free memory was 98.7MB in the beginning and 121.1MB in the end (delta: -22.5MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2024-11-02 12:24:05,932 INFO L158 Benchmark]: CDTParser took 1.45ms. Allocated memory is still 98.6MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:24:05,933 INFO L158 Benchmark]: CACSL2BoogieTranslator took 468.31ms. Allocated memory is still 134.2MB. Free memory was 98.7MB in the beginning and 81.8MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-02 12:24:05,934 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.46ms. Allocated memory is still 134.2MB. Free memory was 81.4MB in the beginning and 77.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:24:05,935 INFO L158 Benchmark]: Boogie Preprocessor took 47.87ms. Allocated memory is still 134.2MB. Free memory was 77.7MB in the beginning and 75.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:24:05,937 INFO L158 Benchmark]: RCFGBuilder took 1234.29ms. Allocated memory is still 134.2MB. Free memory was 75.2MB in the beginning and 84.7MB in the end (delta: -9.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-02 12:24:05,938 INFO L158 Benchmark]: TraceAbstraction took 1199.58ms. Allocated memory was 134.2MB in the beginning and 192.9MB in the end (delta: 58.7MB). Free memory was 84.7MB in the beginning and 121.1MB in the end (delta: -36.5MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2024-11-02 12:24:05,938 INFO L158 Benchmark]: Witness Printer took 6.93ms. Allocated memory is still 192.9MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:24:05,942 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.45ms. Allocated memory is still 98.6MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 468.31ms. Allocated memory is still 134.2MB. Free memory was 98.7MB in the beginning and 81.8MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.46ms. Allocated memory is still 134.2MB. Free memory was 81.4MB in the beginning and 77.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.87ms. Allocated memory is still 134.2MB. Free memory was 77.7MB in the beginning and 75.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1234.29ms. Allocated memory is still 134.2MB. Free memory was 75.2MB in the beginning and 84.7MB in the end (delta: -9.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1199.58ms. Allocated memory was 134.2MB in the beginning and 192.9MB in the end (delta: 58.7MB). Free memory was 84.7MB in the beginning and 121.1MB in the end (delta: -36.5MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * Witness Printer took 6.93ms. Allocated memory is still 192.9MB. Free memory is still 121.1MB. 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 66, overapproximation of bitwiseOr at line 72, overapproximation of someBinaryArithmeticDOUBLEoperation at line 121. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 4; [L23] unsigned short int var_1_8 = 64; [L24] unsigned short int var_1_11 = 256; [L25] unsigned short int var_1_12 = 0; [L26] unsigned short int var_1_13 = 64; [L27] unsigned char var_1_14 = 1; [L28] unsigned char var_1_15 = 0; [L29] signed char var_1_16 = 50; [L30] signed char var_1_19 = -100; [L31] double var_1_20 = 100000000.8; [L32] double var_1_21 = 15.125; [L33] double var_1_22 = 99.22; [L34] signed long int var_1_23 = -16; [L35] unsigned char var_1_24 = 1; [L36] signed char var_1_25 = 10; [L37] signed char var_1_26 = 16; [L38] unsigned char var_1_27 = 0; [L39] double var_1_28 = 5.5; [L40] signed long int var_1_29 = 50; [L41] signed char var_1_31 = 4; [L42] unsigned short int var_1_33 = 16; [L43] unsigned char var_1_39 = 4; [L44] signed long int var_1_41 = -5; [L45] double var_1_42 = 49.6; [L46] signed long int var_1_45 = -2; [L47] unsigned long int var_1_47 = 16; [L48] unsigned long int var_1_50 = 1275815169; [L49] unsigned long int var_1_51 = 1483937619; [L50] signed short int last_1_var_1_1 = 4; [L51] unsigned char last_1_var_1_14 = 1; [L52] signed char last_1_var_1_16 = 50; [L53] signed long int last_1_var_1_23 = -16; [L54] unsigned char last_1_var_1_24 = 1; [L55] double last_1_var_1_28 = 5.5; [L189] isInitial = 1 [L190] FCALL initially() [L191] COND TRUE 1 [L192] CALL updateLastVariables() [L177] last_1_var_1_1 = var_1_1 [L178] last_1_var_1_14 = var_1_14 [L179] last_1_var_1_16 = var_1_16 [L180] last_1_var_1_23 = var_1_23 [L181] last_1_var_1_24 = var_1_24 [L182] last_1_var_1_28 = var_1_28 [L192] RET updateLastVariables() [L193] CALL updateVariables() [L141] var_1_11 = __VERIFIER_nondet_ushort() [L142] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_12=0, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_12=0, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L143] CALL assume_abort_if_not(var_1_11 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=0, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_11 <= 32767) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=0, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L144] var_1_12 = __VERIFIER_nondet_ushort() [L145] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L146] CALL assume_abort_if_not(var_1_12 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_12 <= 32767) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L147] var_1_13 = __VERIFIER_nondet_ushort() [L148] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L149] CALL assume_abort_if_not(var_1_13 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_13 <= 65534) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L150] var_1_15 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L152] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L153] var_1_19 = __VERIFIER_nondet_char() [L154] CALL assume_abort_if_not(var_1_19 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_19 >= -127) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L155] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L156] var_1_21 = __VERIFIER_nondet_double() [L157] CALL assume_abort_if_not((var_1_21 >= 0.0F && 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_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_21 >= 0.0F && 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_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L158] var_1_22 = __VERIFIER_nondet_double() [L159] CALL assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L160] var_1_25 = __VERIFIER_nondet_char() [L161] CALL assume_abort_if_not(var_1_25 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=127, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_25 >= -1) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=127, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L162] CALL assume_abort_if_not(var_1_25 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=127, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_25 <= 127) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=127, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L163] var_1_26 = __VERIFIER_nondet_char() [L164] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=127, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=127, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L165] CALL assume_abort_if_not(var_1_26 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=127, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_26 <= 127) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=127, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L166] var_1_27 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=127, var_1_26=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=127, var_1_26=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L168] CALL assume_abort_if_not(var_1_27 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=127, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_27 <= 0) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=127, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L169] var_1_50 = __VERIFIER_nondet_ulong() [L170] CALL assume_abort_if_not(var_1_50 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=127, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=2147483647, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_50 >= 1073741823) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=127, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=2147483647, var_1_51=1483937619, var_1_8=64] [L171] CALL assume_abort_if_not(var_1_50 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=127, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=2147483647, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_50 <= 2147483647) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=127, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=2147483647, var_1_51=1483937619, var_1_8=64] [L172] var_1_51 = __VERIFIER_nondet_ulong() [L173] CALL assume_abort_if_not(var_1_51 >= 1073741824) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=127, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=2147483647, var_1_51=5368709120, var_1_8=64] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_51 >= 1073741824) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=127, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=2147483647, var_1_51=5368709120, var_1_8=64] [L174] CALL assume_abort_if_not(var_1_51 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=127, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=2147483647, var_1_51=5368709120, var_1_8=64] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_51 <= 2147483647) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=127, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=2147483647, var_1_51=5368709120, var_1_8=64] [L193] RET updateVariables() [L194] CALL step() [L59] var_1_29 = var_1_25 [L60] var_1_31 = var_1_19 [L61] COND TRUE \read(var_1_24) [L62] COND FALSE !(var_1_25 < var_1_19) [L70] var_1_39 = var_1_26 [L71] COND TRUE var_1_12 != var_1_1 [L72] EXPR -5 | var_1_12 [L72] COND TRUE (-5 | var_1_12) <= var_1_19 [L73] var_1_41 = ((((var_1_12) > (var_1_11)) ? (var_1_12) : (var_1_11))) [L76] COND FALSE !(1000000.4f != var_1_21) [L81] COND TRUE var_1_24 && var_1_14 [L82] var_1_45 = (((((var_1_16 + var_1_26)) > (((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1))))) ? ((var_1_16 + var_1_26)) : (((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1)))))) [L86] COND FALSE !(var_1_22 < var_1_22) [L99] var_1_47 = var_1_1 [L101] signed long int stepLocal_3 = last_1_var_1_23; [L102] unsigned char stepLocal_2 = ! (last_1_var_1_14 || last_1_var_1_14); [L103] COND FALSE !(last_1_var_1_23 < stepLocal_3) [L114] var_1_16 = 100 [L116] EXPR ((((last_1_var_1_1) > (last_1_var_1_16)) ? (last_1_var_1_1) : (last_1_var_1_16))) | last_1_var_1_16 [L116] COND TRUE (((((last_1_var_1_1) > (last_1_var_1_16)) ? (last_1_var_1_1) : (last_1_var_1_16))) | last_1_var_1_16) >= last_1_var_1_23 [L117] var_1_23 = (5 - var_1_12) [L121] var_1_20 = (var_1_21 - (var_1_22 + 1.5)) [L122] var_1_28 = var_1_21 [L123] unsigned char stepLocal_0 = var_1_23 > 4; [L124] COND TRUE (var_1_23 <= var_1_23) || stepLocal_0 [L125] var_1_1 = (((((var_1_16 + (var_1_16 + var_1_16))) > (-100)) ? ((var_1_16 + (var_1_16 + var_1_16))) : (-100))) [L129] var_1_24 = ((var_1_1 <= (var_1_25 - var_1_26)) && var_1_27) [L130] signed char stepLocal_1 = var_1_16; [L131] EXPR var_1_16 ^ var_1_16 [L131] COND TRUE stepLocal_1 > (var_1_23 + (var_1_16 ^ var_1_16)) [L132] var_1_14 = (var_1_24 || var_1_15) [L134] COND TRUE \read(var_1_14) [L135] COND FALSE !(\read(var_1_24)) [L194] RET step() [L195] CALL, EXPR property() [L185] EXPR ((((var_1_23 <= var_1_23) || (var_1_23 > 4)) ? (var_1_1 == ((signed short int) (((((var_1_16 + (var_1_16 + var_1_16))) > (-100)) ? ((var_1_16 + (var_1_16 + var_1_16))) : (-100))))) : (var_1_1 == ((signed short int) var_1_16))) && (var_1_14 ? (var_1_24 ? (var_1_8 == ((unsigned short int) (((((var_1_11 + var_1_12)) > (var_1_13)) ? ((var_1_11 + var_1_12)) : (var_1_13))))) : 1) : 1)) && ((var_1_16 > (var_1_23 + (var_1_16 ^ var_1_16))) ? (var_1_14 == ((unsigned char) (var_1_24 || var_1_15))) : 1) [L185] EXPR var_1_16 ^ var_1_16 [L185] EXPR ((((var_1_23 <= var_1_23) || (var_1_23 > 4)) ? (var_1_1 == ((signed short int) (((((var_1_16 + (var_1_16 + var_1_16))) > (-100)) ? ((var_1_16 + (var_1_16 + var_1_16))) : (-100))))) : (var_1_1 == ((signed short int) var_1_16))) && (var_1_14 ? (var_1_24 ? (var_1_8 == ((unsigned short int) (((((var_1_11 + var_1_12)) > (var_1_13)) ? ((var_1_11 + var_1_12)) : (var_1_13))))) : 1) : 1)) && ((var_1_16 > (var_1_23 + (var_1_16 ^ var_1_16))) ? (var_1_14 == ((unsigned char) (var_1_24 || var_1_15))) : 1) [L185] EXPR (((((((var_1_23 <= var_1_23) || (var_1_23 > 4)) ? (var_1_1 == ((signed short int) (((((var_1_16 + (var_1_16 + var_1_16))) > (-100)) ? ((var_1_16 + (var_1_16 + var_1_16))) : (-100))))) : (var_1_1 == ((signed short int) var_1_16))) && (var_1_14 ? (var_1_24 ? (var_1_8 == ((unsigned short int) (((((var_1_11 + var_1_12)) > (var_1_13)) ? ((var_1_11 + var_1_12)) : (var_1_13))))) : 1) : 1)) && ((var_1_16 > (var_1_23 + (var_1_16 ^ var_1_16))) ? (var_1_14 == ((unsigned char) (var_1_24 || var_1_15))) : 1)) && ((last_1_var_1_23 < last_1_var_1_23) ? (((! (last_1_var_1_14 || last_1_var_1_14)) && last_1_var_1_24) ? ((((((2.75f) > (((((last_1_var_1_28) < (999999.95f)) ? (last_1_var_1_28) : (999999.95f))))) ? (2.75f) : (((((last_1_var_1_28) < (999999.95f)) ? (last_1_var_1_28) : (999999.95f)))))) != last_1_var_1_28) ? (var_1_16 == ((signed char) 10)) : (var_1_16 == ((signed char) var_1_19))) : (var_1_16 == ((signed char) var_1_19))) : (var_1_16 == ((signed char) 100)))) && (var_1_20 == ((double) (var_1_21 - (var_1_22 + 1.5))))) && (((((((last_1_var_1_1) > (last_1_var_1_16)) ? (last_1_var_1_1) : (last_1_var_1_16))) | last_1_var_1_16) >= last_1_var_1_23) ? (var_1_23 == ((signed long int) (5 - var_1_12))) : (var_1_23 == ((signed long int) ((((var_1_11) > (last_1_var_1_1)) ? (var_1_11) : (last_1_var_1_1)))))) [L185-L186] return (((((((((var_1_23 <= var_1_23) || (var_1_23 > 4)) ? (var_1_1 == ((signed short int) (((((var_1_16 + (var_1_16 + var_1_16))) > (-100)) ? ((var_1_16 + (var_1_16 + var_1_16))) : (-100))))) : (var_1_1 == ((signed short int) var_1_16))) && (var_1_14 ? (var_1_24 ? (var_1_8 == ((unsigned short int) (((((var_1_11 + var_1_12)) > (var_1_13)) ? ((var_1_11 + var_1_12)) : (var_1_13))))) : 1) : 1)) && ((var_1_16 > (var_1_23 + (var_1_16 ^ var_1_16))) ? (var_1_14 == ((unsigned char) (var_1_24 || var_1_15))) : 1)) && ((last_1_var_1_23 < last_1_var_1_23) ? (((! (last_1_var_1_14 || last_1_var_1_14)) && last_1_var_1_24) ? ((((((2.75f) > (((((last_1_var_1_28) < (999999.95f)) ? (last_1_var_1_28) : (999999.95f))))) ? (2.75f) : (((((last_1_var_1_28) < (999999.95f)) ? (last_1_var_1_28) : (999999.95f)))))) != last_1_var_1_28) ? (var_1_16 == ((signed char) 10)) : (var_1_16 == ((signed char) var_1_19))) : (var_1_16 == ((signed char) var_1_19))) : (var_1_16 == ((signed char) 100)))) && (var_1_20 == ((double) (var_1_21 - (var_1_22 + 1.5))))) && (((((((last_1_var_1_1) > (last_1_var_1_16)) ? (last_1_var_1_1) : (last_1_var_1_16))) | last_1_var_1_16) >= last_1_var_1_23) ? (var_1_23 == ((signed long int) (5 - var_1_12))) : (var_1_23 == ((signed long int) ((((var_1_11) > (last_1_var_1_1)) ? (var_1_11) : (last_1_var_1_1))))))) && (var_1_24 == ((unsigned char) ((var_1_1 <= (var_1_25 - var_1_26)) && var_1_27)))) && (var_1_28 == ((double) var_1_21)) ; [L195] RET, EXPR property() [L195] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=126, var_1_1=300, var_1_21=248/5, var_1_22=248/5, var_1_23=4, var_1_24=0, var_1_25=127, var_1_26=0, var_1_27=0, var_1_28=248/5, var_1_29=127, var_1_31=126, var_1_33=16, var_1_39=0, var_1_41=1, var_1_42=248/5, var_1_45=50, var_1_47=4, var_1_50=2147483647, var_1_51=5368709120, var_1_8=64] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=1, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=126, var_1_1=300, var_1_21=248/5, var_1_22=248/5, var_1_23=4, var_1_24=0, var_1_25=127, var_1_26=0, var_1_27=0, var_1_28=248/5, var_1_29=127, var_1_31=126, var_1_33=16, var_1_39=0, var_1_41=1, var_1_42=248/5, var_1_45=50, var_1_47=4, var_1_50=2147483647, var_1_51=5368709120, var_1_8=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 22, 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=43occurred 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, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-02 12:24:05,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/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_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-65.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2 --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 71dfa0a4f236a73c35e5b369ba2d37d804ed373517c3a49a735fadde99b30392 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:24:08,424 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:24:08,517 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:24:08,525 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:24:08,526 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:24:08,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:24:08,579 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:24:08,580 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:24:08,580 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:24:08,581 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:24:08,581 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:24:08,584 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:24:08,584 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:24:08,586 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:24:08,586 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:24:08,587 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:24:08,587 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:24:08,588 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:24:08,588 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:24:08,588 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:24:08,593 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:24:08,593 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:24:08,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:24:08,594 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:24:08,594 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:24:08,595 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:24:08,595 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:24:08,595 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:24:08,595 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:24:08,596 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:24:08,596 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:24:08,596 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:24:08,597 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:24:08,598 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:24:08,599 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:24:08,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:24:08,599 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:24:08,600 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:24:08,600 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:24:08,601 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:24:08,601 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:24:08,602 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:24:08,602 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:24:08,602 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:24:08,603 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71dfa0a4f236a73c35e5b369ba2d37d804ed373517c3a49a735fadde99b30392 [2024-11-02 12:24:09,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:24:09,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:24:09,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:24:09,046 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:24:09,046 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:24:09,048 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-65.i Unable to find full path for "g++" [2024-11-02 12:24:11,176 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:24:11,477 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:24:11,478 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-65.i [2024-11-02 12:24:11,498 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/data/515d1326f/8044af3540414400bade6c2af33f7e03/FLAG7f93c64ea [2024-11-02 12:24:11,518 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/data/515d1326f/8044af3540414400bade6c2af33f7e03 [2024-11-02 12:24:11,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:24:11,524 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:24:11,527 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:24:11,528 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:24:11,533 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:24:11,534 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:24:11" (1/1) ... [2024-11-02 12:24:11,536 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63aa56e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:11, skipping insertion in model container [2024-11-02 12:24:11,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:24:11" (1/1) ... [2024-11-02 12:24:11,579 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:24:11,812 WARN L251 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_7916212f-1b8b-4998-8005-0ebae391203c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-65.i[919,932] [2024-11-02 12:24:11,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:24:11,945 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:24:11,971 WARN L251 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_7916212f-1b8b-4998-8005-0ebae391203c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-65.i[919,932] [2024-11-02 12:24:12,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:24:12,054 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:24:12,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:12 WrapperNode [2024-11-02 12:24:12,055 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:24:12,056 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:24:12,056 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:24:12,057 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:24:12,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:12" (1/1) ... [2024-11-02 12:24:12,079 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:12" (1/1) ... [2024-11-02 12:24:12,119 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 182 [2024-11-02 12:24:12,119 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:24:12,126 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:24:12,126 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:24:12,126 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:24:12,142 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:12" (1/1) ... [2024-11-02 12:24:12,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:12" (1/1) ... [2024-11-02 12:24:12,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:12" (1/1) ... [2024-11-02 12:24:12,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:12" (1/1) ... [2024-11-02 12:24:12,179 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:12" (1/1) ... [2024-11-02 12:24:12,183 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:12" (1/1) ... [2024-11-02 12:24:12,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:12" (1/1) ... [2024-11-02 12:24:12,194 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:12" (1/1) ... [2024-11-02 12:24:12,202 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:24:12,203 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:24:12,203 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:24:12,203 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:24:12,204 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:12" (1/1) ... [2024-11-02 12:24:12,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:24:12,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:24:12,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:24:12,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:24:12,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:24:12,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:24:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:24:12,259 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:24:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:24:12,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:24:12,358 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:24:12,360 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:24:14,053 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-02 12:24:14,053 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:24:14,071 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:24:14,073 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:24:14,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:24:14 BoogieIcfgContainer [2024-11-02 12:24:14,074 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:24:14,076 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:24:14,077 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:24:14,080 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:24:14,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:24:11" (1/3) ... [2024-11-02 12:24:14,082 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a2afaeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:24:14, skipping insertion in model container [2024-11-02 12:24:14,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:12" (2/3) ... [2024-11-02 12:24:14,083 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a2afaeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:24:14, skipping insertion in model container [2024-11-02 12:24:14,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:24:14" (3/3) ... [2024-11-02 12:24:14,088 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-65.i [2024-11-02 12:24:14,106 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:24:14,106 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:24:14,170 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:24:14,180 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;@3902ce29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:24:14,180 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:24:14,186 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-02 12:24:14,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-02 12:24:14,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:24:14,201 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:24:14,202 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:24:14,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:24:14,207 INFO L85 PathProgramCache]: Analyzing trace with hash 994043206, now seen corresponding path program 1 times [2024-11-02 12:24:14,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:24:14,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1352922272] [2024-11-02 12:24:14,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:24:14,220 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 [2024-11-02 12:24:14,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:24:14,223 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:24:14,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:24:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:24:14,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:24:14,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:24:14,727 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-02 12:24:14,728 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:24:14,729 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:24:14,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1352922272] [2024-11-02 12:24:14,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1352922272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:24:14,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:24:14,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:24:14,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992550530] [2024-11-02 12:24:14,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:24:14,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:24:14,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:24:14,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:24:14,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:24:14,772 INFO L87 Difference]: Start difference. First operand has 77 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-02 12:24:14,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:24:14,823 INFO L93 Difference]: Finished difference Result 144 states and 252 transitions. [2024-11-02 12:24:14,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:24:14,827 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 146 [2024-11-02 12:24:14,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:24:14,835 INFO L225 Difference]: With dead ends: 144 [2024-11-02 12:24:14,836 INFO L226 Difference]: Without dead ends: 70 [2024-11-02 12:24:14,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:24:14,844 INFO L432 NwaCegarLoop]: 106 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, 106 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 [2024-11-02 12:24:14,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:24:14,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-02 12:24:14,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-11-02 12:24:14,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 46 states have internal predecessors, (62), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-02 12:24:14,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 106 transitions. [2024-11-02 12:24:14,911 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 106 transitions. Word has length 146 [2024-11-02 12:24:14,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:24:14,911 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 106 transitions. [2024-11-02 12:24:14,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-02 12:24:14,912 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 106 transitions. [2024-11-02 12:24:14,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-02 12:24:14,916 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:24:14,916 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:24:14,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:24:15,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:24:15,117 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:24:15,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:24:15,118 INFO L85 PathProgramCache]: Analyzing trace with hash 334150978, now seen corresponding path program 1 times [2024-11-02 12:24:15,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:24:15,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1153689139] [2024-11-02 12:24:15,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:24:15,120 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 [2024-11-02 12:24:15,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:24:15,121 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:24:15,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:24:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:24:15,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 12:24:15,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:24:17,095 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-02 12:24:17,096 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:24:17,096 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:24:17,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1153689139] [2024-11-02 12:24:17,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1153689139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:24:17,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:24:17,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:24:17,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268016079] [2024-11-02 12:24:17,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:24:17,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:24:17,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:24:17,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:24:17,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:24:17,103 INFO L87 Difference]: Start difference. First operand 70 states and 106 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-02 12:24:17,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:24:17,987 INFO L93 Difference]: Finished difference Result 194 states and 298 transitions. [2024-11-02 12:24:17,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:24:17,989 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 146 [2024-11-02 12:24:17,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:24:17,992 INFO L225 Difference]: With dead ends: 194 [2024-11-02 12:24:17,992 INFO L226 Difference]: Without dead ends: 127 [2024-11-02 12:24:17,993 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:24:17,994 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 20 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-02 12:24:17,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 194 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-02 12:24:17,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-02 12:24:18,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 118. [2024-11-02 12:24:18,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 71 states have (on average 1.295774647887324) internal successors, (92), 71 states have internal predecessors, (92), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-02 12:24:18,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 180 transitions. [2024-11-02 12:24:18,028 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 180 transitions. Word has length 146 [2024-11-02 12:24:18,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:24:18,029 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 180 transitions. [2024-11-02 12:24:18,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-02 12:24:18,032 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 180 transitions. [2024-11-02 12:24:18,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-02 12:24:18,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:24:18,035 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:24:18,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:24:18,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:24:18,236 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:24:18,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:24:18,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1345268228, now seen corresponding path program 1 times [2024-11-02 12:24:18,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:24:18,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1718082406] [2024-11-02 12:24:18,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:24:18,239 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 [2024-11-02 12:24:18,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:24:18,242 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:24:18,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:24:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:24:18,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-02 12:24:18,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:24:21,492 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-02 12:24:21,492 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:24:21,493 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:24:21,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1718082406] [2024-11-02 12:24:21,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1718082406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:24:21,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:24:21,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:24:21,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252886060] [2024-11-02 12:24:21,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:24:21,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:24:21,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:24:21,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:24:21,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:24:21,497 INFO L87 Difference]: Start difference. First operand 118 states and 180 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-02 12:24:23,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-02 12:24:25,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:24:25,531 INFO L93 Difference]: Finished difference Result 204 states and 309 transitions. [2024-11-02 12:24:25,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 12:24:25,544 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 146 [2024-11-02 12:24:25,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:24:25,547 INFO L225 Difference]: With dead ends: 204 [2024-11-02 12:24:25,547 INFO L226 Difference]: Without dead ends: 137 [2024-11-02 12:24:25,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:24:25,550 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 64 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-02 12:24:25,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 278 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-02 12:24:25,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-02 12:24:25,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 124. [2024-11-02 12:24:25,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 77 states have (on average 1.3116883116883118) internal successors, (101), 77 states have internal predecessors, (101), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-02 12:24:25,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 189 transitions. [2024-11-02 12:24:25,623 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 189 transitions. Word has length 146 [2024-11-02 12:24:25,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:24:25,624 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 189 transitions. [2024-11-02 12:24:25,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-02 12:24:25,624 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 189 transitions. [2024-11-02 12:24:25,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-02 12:24:25,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:24:25,630 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:24:25,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:24:25,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:24:25,832 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:24:25,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:24:25,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1738295238, now seen corresponding path program 1 times [2024-11-02 12:24:25,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:24:25,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1940456460] [2024-11-02 12:24:25,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:24:25,838 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 [2024-11-02 12:24:25,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:24:25,844 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:24:25,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:24:26,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:24:26,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-02 12:24:26,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:24:26,788 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 393 proven. 45 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2024-11-02 12:24:26,790 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:24:27,460 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 18 proven. 45 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-02 12:24:27,460 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:24:27,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1940456460] [2024-11-02 12:24:27,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1940456460] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-02 12:24:27,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1359542127] [2024-11-02 12:24:27,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:24:27,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-02 12:24:27,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/cvc4 [2024-11-02 12:24:27,465 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-02 12:24:27,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-02 12:24:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:24:28,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-02 12:24:28,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:24:29,124 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 393 proven. 45 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2024-11-02 12:24:29,124 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:24:29,614 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 18 proven. 45 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-02 12:24:29,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1359542127] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-02 12:24:29,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106468711] [2024-11-02 12:24:29,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:24:29,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:24:29,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:24:29,618 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:24:29,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7916212f-1b8b-4998-8005-0ebae391203c/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-02 12:24:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:24:29,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-02 12:24:29,847 INFO L278 TraceCheckSpWp]: Computing forward predicates...