./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-24.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_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/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_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/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_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/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 7ca944ec6e7910faed55d0ca0d3f894cbbaa606bb58bc6116beacb782c840d74 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:27:02,138 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:27:02,208 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:27:02,213 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:27:02,213 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:27:02,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:27:02,238 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:27:02,238 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:27:02,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:27:02,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:27:02,239 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:27:02,240 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:27:02,240 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:27:02,241 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:27:02,241 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:27:02,242 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:27:02,242 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:27:02,243 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:27:02,243 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:27:02,243 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:27:02,244 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:27:02,245 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:27:02,245 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:27:02,246 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:27:02,246 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:27:02,246 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:27:02,247 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:27:02,247 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:27:02,248 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:27:02,248 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:27:02,248 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:27:02,249 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:27:02,249 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:27:02,250 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:27:02,250 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:27:02,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:27:02,251 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:27:02,251 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:27:02,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:27:02,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:27:02,252 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:27:02,253 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:27:02,253 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:27:02,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:27:02,254 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:27:02,254 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:27:02,255 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:27:02,255 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_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ca944ec6e7910faed55d0ca0d3f894cbbaa606bb58bc6116beacb782c840d74 [2024-11-02 12:27:02,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:27:02,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:27:02,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:27:02,553 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:27:02,554 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:27:02,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-24.i Unable to find full path for "g++" [2024-11-02 12:27:04,703 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:27:05,076 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:27:05,076 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-24.i [2024-11-02 12:27:05,086 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/bin/utaipan-verify-DbMuA5NWw2/data/e600c2b5b/bbee6e6e42b44a50b1706398183fb3ad/FLAG43d2a1357 [2024-11-02 12:27:05,334 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/bin/utaipan-verify-DbMuA5NWw2/data/e600c2b5b/bbee6e6e42b44a50b1706398183fb3ad [2024-11-02 12:27:05,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:27:05,340 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:27:05,347 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:27:05,348 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:27:05,362 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:27:05,363 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:27:05" (1/1) ... [2024-11-02 12:27:05,367 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b35a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:05, skipping insertion in model container [2024-11-02 12:27:05,368 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:27:05" (1/1) ... [2024-11-02 12:27:05,403 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:27:05,597 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_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-24.i[913,926] [2024-11-02 12:27:05,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:27:05,669 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:27:05,683 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_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-24.i[913,926] [2024-11-02 12:27:05,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:27:05,760 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:27:05,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:05 WrapperNode [2024-11-02 12:27:05,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:27:05,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:27:05,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:27:05,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:27:05,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:05" (1/1) ... [2024-11-02 12:27:05,778 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:05" (1/1) ... [2024-11-02 12:27:05,809 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 174 [2024-11-02 12:27:05,810 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:27:05,811 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:27:05,811 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:27:05,811 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:27:05,821 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:05" (1/1) ... [2024-11-02 12:27:05,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:05" (1/1) ... [2024-11-02 12:27:05,824 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:05" (1/1) ... [2024-11-02 12:27:05,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:05" (1/1) ... [2024-11-02 12:27:05,832 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:05" (1/1) ... [2024-11-02 12:27:05,836 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:05" (1/1) ... [2024-11-02 12:27:05,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:05" (1/1) ... [2024-11-02 12:27:05,839 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:05" (1/1) ... [2024-11-02 12:27:05,843 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:27:05,844 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:27:05,844 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:27:05,844 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:27:05,845 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:05" (1/1) ... [2024-11-02 12:27:05,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:27:05,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:27:05,889 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:27:05,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:27:05,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:27:05,919 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:27:05,919 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:27:05,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:27:05,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:27:05,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:27:06,002 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:27:06,004 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:27:06,398 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-02 12:27:06,400 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:27:06,770 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:27:06,770 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:27:06,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:27:06 BoogieIcfgContainer [2024-11-02 12:27:06,771 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:27:06,774 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:27:06,775 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:27:06,779 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:27:06,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:27:05" (1/3) ... [2024-11-02 12:27:06,780 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4838925d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:27:06, skipping insertion in model container [2024-11-02 12:27:06,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:05" (2/3) ... [2024-11-02 12:27:06,781 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4838925d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:27:06, skipping insertion in model container [2024-11-02 12:27:06,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:27:06" (3/3) ... [2024-11-02 12:27:06,785 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-24.i [2024-11-02 12:27:06,808 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:27:06,809 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:27:06,886 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:27:06,892 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;@15ca343a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:27:06,892 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:27:06,896 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-02 12:27:06,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-02 12:27:06,909 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:27:06,910 INFO L215 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:27:06,911 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:27:06,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:27:06,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1988856069, now seen corresponding path program 1 times [2024-11-02 12:27:06,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:27:06,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131814807] [2024-11-02 12:27:06,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:27:06,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:27:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:27:07,500 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:27:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:27:07,891 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:27:07,893 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:27:07,895 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:27:07,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:27:07,903 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:27:08,004 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:27:08,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:27:08 BoogieIcfgContainer [2024-11-02 12:27:08,009 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:27:08,010 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:27:08,011 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:27:08,011 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:27:08,012 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:27:06" (3/4) ... [2024-11-02 12:27:08,015 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:27:08,016 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:27:08,017 INFO L158 Benchmark]: Toolchain (without parser) took 2676.83ms. Allocated memory was 146.8MB in the beginning and 178.3MB in the end (delta: 31.5MB). Free memory was 115.2MB in the beginning and 88.4MB in the end (delta: 26.8MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. [2024-11-02 12:27:08,018 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 146.8MB. Free memory was 103.4MB in the beginning and 103.1MB in the end (delta: 241.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:27:08,019 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.97ms. Allocated memory is still 146.8MB. Free memory was 114.9MB in the beginning and 99.6MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-02 12:27:08,020 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.93ms. Allocated memory is still 146.8MB. Free memory was 99.6MB in the beginning and 97.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:27:08,021 INFO L158 Benchmark]: Boogie Preprocessor took 32.12ms. Allocated memory is still 146.8MB. Free memory was 97.2MB in the beginning and 95.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:27:08,022 INFO L158 Benchmark]: RCFGBuilder took 927.79ms. Allocated memory is still 146.8MB. Free memory was 95.4MB in the beginning and 90.6MB in the end (delta: 4.8MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2024-11-02 12:27:08,023 INFO L158 Benchmark]: TraceAbstraction took 1235.37ms. Allocated memory was 146.8MB in the beginning and 178.3MB in the end (delta: 31.5MB). Free memory was 89.4MB in the beginning and 89.3MB in the end (delta: 187.6kB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2024-11-02 12:27:08,024 INFO L158 Benchmark]: Witness Printer took 6.18ms. Allocated memory is still 178.3MB. Free memory is still 88.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:27:08,026 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 146.8MB. Free memory was 103.4MB in the beginning and 103.1MB in the end (delta: 241.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 413.97ms. Allocated memory is still 146.8MB. Free memory was 114.9MB in the beginning and 99.6MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.93ms. Allocated memory is still 146.8MB. Free memory was 99.6MB in the beginning and 97.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.12ms. Allocated memory is still 146.8MB. Free memory was 97.2MB in the beginning and 95.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 927.79ms. Allocated memory is still 146.8MB. Free memory was 95.4MB in the beginning and 90.6MB in the end (delta: 4.8MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1235.37ms. Allocated memory was 146.8MB in the beginning and 178.3MB in the end (delta: 31.5MB). Free memory was 89.4MB in the beginning and 89.3MB in the end (delta: 187.6kB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. * Witness Printer took 6.18ms. Allocated memory is still 178.3MB. Free memory is still 88.4MB. 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 133, overapproximation of someBinaryArithmeticDOUBLEoperation at line 56, overapproximation of bitwiseAnd at line 75. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 15.8; [L23] double var_1_4 = 10.5; [L24] double var_1_5 = 1.55; [L25] signed char var_1_8 = -10; [L26] signed char var_1_10 = -16; [L27] signed char var_1_11 = -4; [L28] signed char var_1_12 = -16; [L29] double var_1_13 = 128.55; [L30] double var_1_14 = 2.3; [L31] double var_1_15 = 4.8; [L32] unsigned long int var_1_16 = 0; [L33] signed long int var_1_17 = 5; [L34] signed long int var_1_18 = 256; [L35] unsigned long int var_1_19 = 50; [L36] unsigned long int var_1_20 = 1; [L37] signed short int var_1_21 = -50; [L38] unsigned char var_1_23 = 1; [L39] unsigned char var_1_24 = 0; [L40] signed char last_1_var_1_8 = -10; [L41] signed short int last_1_var_1_21 = -50; [L42] unsigned char last_1_var_1_23 = 1; [L137] isInitial = 1 [L138] FCALL initially() [L139] COND TRUE 1 [L140] CALL updateLastVariables() [L128] last_1_var_1_8 = var_1_8 [L129] last_1_var_1_21 = var_1_21 [L130] last_1_var_1_23 = var_1_23 [L140] RET updateLastVariables() [L141] CALL updateVariables() [L94] var_1_4 = __VERIFIER_nondet_double() [L95] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_5=31/20, var_1_8=-10] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_5=31/20, var_1_8=-10] [L96] var_1_5 = __VERIFIER_nondet_double() [L97] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L98] var_1_10 = __VERIFIER_nondet_char() [L99] CALL assume_abort_if_not(var_1_10 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_10 >= -63) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L100] CALL assume_abort_if_not(var_1_10 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_10 <= 63) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L101] var_1_11 = __VERIFIER_nondet_char() [L102] CALL assume_abort_if_not(var_1_11 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_11 >= -31) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L103] CALL assume_abort_if_not(var_1_11 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_11 <= 32) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L104] var_1_12 = __VERIFIER_nondet_char() [L105] CALL assume_abort_if_not(var_1_12 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-10, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_12 >= -31) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-10, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L106] CALL assume_abort_if_not(var_1_12 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-10, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_12 <= 31) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-10, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L107] var_1_14 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-10, var_1_13=2571/20, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-10, var_1_13=2571/20, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L109] var_1_15 = __VERIFIER_nondet_double() [L110] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-10, var_1_13=2571/20, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-10, var_1_13=2571/20, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L111] var_1_17 = __VERIFIER_nondet_long() [L112] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-10, var_1_13=2571/20, var_1_16=0, var_1_17=664581130, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-10, var_1_13=2571/20, var_1_16=0, var_1_17=664581130, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L113] CALL assume_abort_if_not(var_1_17 <= 1073741824) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-10, var_1_13=2571/20, var_1_16=0, var_1_17=664581130, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_17 <= 1073741824) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-10, var_1_13=2571/20, var_1_16=0, var_1_17=664581130, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L114] var_1_18 = __VERIFIER_nondet_long() [L115] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-10, var_1_13=2571/20, var_1_16=0, var_1_17=664581130, var_1_18=664581129, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-10, var_1_13=2571/20, var_1_16=0, var_1_17=664581130, var_1_18=664581129, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L116] CALL assume_abort_if_not(var_1_18 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-10, var_1_13=2571/20, var_1_16=0, var_1_17=664581130, var_1_18=664581129, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_18 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-10, var_1_13=2571/20, var_1_16=0, var_1_17=664581130, var_1_18=664581129, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L117] var_1_19 = __VERIFIER_nondet_ulong() [L118] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-10, var_1_13=2571/20, var_1_16=0, var_1_17=664581130, var_1_18=664581129, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-10, var_1_13=2571/20, var_1_16=0, var_1_17=664581130, var_1_18=664581129, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L119] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-10, var_1_13=2571/20, var_1_16=0, var_1_17=664581130, var_1_18=664581129, var_1_19=1874709850, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-10, var_1_13=2571/20, var_1_16=0, var_1_17=664581130, var_1_18=664581129, var_1_19=1874709850, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L120] var_1_20 = __VERIFIER_nondet_ulong() [L121] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-10, var_1_13=2571/20, var_1_16=0, var_1_17=664581130, var_1_18=664581129, var_1_19=1874709850, var_1_1=79/5, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-10, var_1_13=2571/20, var_1_16=0, var_1_17=664581130, var_1_18=664581129, var_1_19=1874709850, var_1_1=79/5, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L122] CALL assume_abort_if_not(var_1_20 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-10, var_1_13=2571/20, var_1_16=0, var_1_17=664581130, var_1_18=664581129, var_1_19=1874709850, var_1_1=79/5, var_1_20=1210128720, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_20 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-10, var_1_13=2571/20, var_1_16=0, var_1_17=664581130, var_1_18=664581129, var_1_19=1874709850, var_1_1=79/5, var_1_20=1210128720, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L123] var_1_24 = __VERIFIER_nondet_uchar() [L124] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-10, var_1_13=2571/20, var_1_16=0, var_1_17=664581130, var_1_18=664581129, var_1_19=1874709850, var_1_1=79/5, var_1_20=1210128720, var_1_21=-50, var_1_23=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-10, var_1_13=2571/20, var_1_16=0, var_1_17=664581130, var_1_18=664581129, var_1_19=1874709850, var_1_1=79/5, var_1_20=1210128720, var_1_21=-50, var_1_23=1, var_1_8=-10] [L125] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-10, var_1_13=2571/20, var_1_16=0, var_1_17=664581130, var_1_18=664581129, var_1_19=1874709850, var_1_1=79/5, var_1_20=1210128720, var_1_21=-50, var_1_23=1, var_1_24=-256, var_1_8=-10] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-10, var_1_13=2571/20, var_1_16=0, var_1_17=664581130, var_1_18=664581129, var_1_19=1874709850, var_1_1=79/5, var_1_20=1210128720, var_1_21=-50, var_1_23=1, var_1_24=-256, var_1_8=-10] [L141] RET updateVariables() [L142] CALL step() [L46] COND TRUE last_1_var_1_21 <= ((((last_1_var_1_21) < (last_1_var_1_8)) ? (last_1_var_1_21) : (last_1_var_1_8))) [L47] COND TRUE \read(last_1_var_1_23) [L48] var_1_8 = (-16 + ((((var_1_10) < ((var_1_11 + var_1_12))) ? (var_1_10) : ((var_1_11 + var_1_12))))) [L53] var_1_23 = var_1_24 [L54] COND FALSE !(128u >= var_1_8) [L61] COND FALSE !(\read(var_1_23)) [L65] COND TRUE var_1_8 >= ((1329162249 - var_1_17) - var_1_18) [L66] var_1_16 = (((((((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))) < (var_1_19)) ? (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))) : (var_1_19))) + var_1_20) [L74] COND TRUE ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18))) <= (var_1_11 + var_1_8) [L75] EXPR var_1_18 & var_1_16 [L75] COND FALSE !(var_1_11 >= (var_1_18 & var_1_16)) [L78] COND TRUE var_1_19 < var_1_8 [L79] var_1_21 = 64 [L83] unsigned char stepLocal_1 = var_1_23; [L84] signed char stepLocal_0 = var_1_8; [L85] COND TRUE stepLocal_0 >= var_1_16 [L86] var_1_1 = (var_1_4 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) [L142] RET step() [L143] CALL, EXPR property() [L133] EXPR (((((var_1_8 >= var_1_16) ? (var_1_1 == ((double) (var_1_4 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))))) : ((var_1_23 || var_1_23) ? (var_1_1 == ((double) 128.75)) : 1)) && ((last_1_var_1_21 <= ((((last_1_var_1_21) < (last_1_var_1_8)) ? (last_1_var_1_21) : (last_1_var_1_8)))) ? (last_1_var_1_23 ? (var_1_8 == ((signed char) (-16 + ((((var_1_10) < ((var_1_11 + var_1_12))) ? (var_1_10) : ((var_1_11 + var_1_12))))))) : 1) : (var_1_8 == ((signed char) var_1_12)))) && ((128u >= var_1_8) ? ((! var_1_23) ? (var_1_13 == ((double) ((var_1_14 - var_1_15) + 0.25))) : (var_1_13 == ((double) var_1_14))) : (var_1_23 ? (var_1_13 == ((double) var_1_5)) : 1))) && ((var_1_8 >= ((1329162249 - var_1_17) - var_1_18)) ? (var_1_16 == ((unsigned long int) (((((((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))) < (var_1_19)) ? (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))) : (var_1_19))) + var_1_20))) : (var_1_23 ? (var_1_16 == ((unsigned long int) var_1_18)) : (var_1_16 == ((unsigned long int) var_1_19))))) && ((((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18))) <= (var_1_11 + var_1_8)) ? ((var_1_11 >= (var_1_18 & var_1_16)) ? (var_1_21 == ((signed short int) 8)) : ((var_1_19 < var_1_8) ? (var_1_21 == ((signed short int) 64)) : 1)) : 1) [L133-L134] return ((((((var_1_8 >= var_1_16) ? (var_1_1 == ((double) (var_1_4 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))))) : ((var_1_23 || var_1_23) ? (var_1_1 == ((double) 128.75)) : 1)) && ((last_1_var_1_21 <= ((((last_1_var_1_21) < (last_1_var_1_8)) ? (last_1_var_1_21) : (last_1_var_1_8)))) ? (last_1_var_1_23 ? (var_1_8 == ((signed char) (-16 + ((((var_1_10) < ((var_1_11 + var_1_12))) ? (var_1_10) : ((var_1_11 + var_1_12))))))) : 1) : (var_1_8 == ((signed char) var_1_12)))) && ((128u >= var_1_8) ? ((! var_1_23) ? (var_1_13 == ((double) ((var_1_14 - var_1_15) + 0.25))) : (var_1_13 == ((double) var_1_14))) : (var_1_23 ? (var_1_13 == ((double) var_1_5)) : 1))) && ((var_1_8 >= ((1329162249 - var_1_17) - var_1_18)) ? (var_1_16 == ((unsigned long int) (((((((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))) < (var_1_19)) ? (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))) : (var_1_19))) + var_1_20))) : (var_1_23 ? (var_1_16 == ((unsigned long int) var_1_18)) : (var_1_16 == ((unsigned long int) var_1_19))))) && ((((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18))) <= (var_1_11 + var_1_8)) ? ((var_1_11 >= (var_1_18 & var_1_16)) ? (var_1_21 == ((signed short int) 8)) : ((var_1_19 < var_1_8) ? (var_1_21 == ((signed short int) 64)) : 1)) : 1)) && (var_1_23 == ((unsigned char) var_1_24)) ; [L143] RET, EXPR property() [L143] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-10, var_1_13=2571/20, var_1_14=2571/20, var_1_16=1874709850, var_1_17=664581130, var_1_18=664581129, var_1_19=1874709850, var_1_1=79/5, var_1_20=1210128720, var_1_21=64, var_1_23=-256, var_1_24=-256, var_1_5=2571/20, var_1_8=-10] [L19] reach_error() VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=6, var_1_11=17, var_1_12=-10, var_1_13=2571/20, var_1_14=2571/20, var_1_16=1874709850, var_1_17=664581130, var_1_18=664581129, var_1_19=1874709850, var_1_1=79/5, var_1_20=1210128720, var_1_21=64, var_1_23=-256, var_1_24=-256, var_1_5=2571/20, var_1_8=-10] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 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 12:27:08,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/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_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/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_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/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_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/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 7ca944ec6e7910faed55d0ca0d3f894cbbaa606bb58bc6116beacb782c840d74 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:27:10,520 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:27:10,624 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:27:10,633 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:27:10,636 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:27:10,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:27:10,680 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:27:10,680 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:27:10,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:27:10,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:27:10,682 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:27:10,682 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:27:10,683 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:27:10,684 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:27:10,686 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:27:10,686 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:27:10,687 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:27:10,687 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:27:10,688 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:27:10,688 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:27:10,688 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:27:10,693 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:27:10,693 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:27:10,693 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:27:10,694 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:27:10,694 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:27:10,694 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:27:10,694 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:27:10,695 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:27:10,695 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:27:10,695 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:27:10,696 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:27:10,696 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:27:10,696 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:27:10,696 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:27:10,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:27:10,697 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:27:10,697 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:27:10,697 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:27:10,698 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:27:10,698 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:27:10,700 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:27:10,700 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:27:10,700 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:27:10,701 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_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ca944ec6e7910faed55d0ca0d3f894cbbaa606bb58bc6116beacb782c840d74 [2024-11-02 12:27:11,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:27:11,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:27:11,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:27:11,141 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:27:11,141 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:27:11,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-24.i Unable to find full path for "g++" [2024-11-02 12:27:13,262 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:27:13,524 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:27:13,524 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-24.i [2024-11-02 12:27:13,540 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/bin/utaipan-verify-DbMuA5NWw2/data/b8b904bd1/1af7fddda7a042b4a62b4ad72040b4f5/FLAG2afdac45d [2024-11-02 12:27:13,558 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/bin/utaipan-verify-DbMuA5NWw2/data/b8b904bd1/1af7fddda7a042b4a62b4ad72040b4f5 [2024-11-02 12:27:13,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:27:13,563 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:27:13,565 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:27:13,565 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:27:13,571 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:27:13,572 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:27:13" (1/1) ... [2024-11-02 12:27:13,573 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d0fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:13, skipping insertion in model container [2024-11-02 12:27:13,574 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:27:13" (1/1) ... [2024-11-02 12:27:13,611 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:27:13,873 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_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-24.i[913,926] [2024-11-02 12:27:13,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:27:13,999 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:27:14,018 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_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-24.i[913,926] [2024-11-02 12:27:14,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:27:14,119 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:27:14,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:14 WrapperNode [2024-11-02 12:27:14,120 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:27:14,122 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:27:14,122 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:27:14,122 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:27:14,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:14" (1/1) ... [2024-11-02 12:27:14,153 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:14" (1/1) ... [2024-11-02 12:27:14,199 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 141 [2024-11-02 12:27:14,202 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:27:14,203 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:27:14,203 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:27:14,203 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:27:14,216 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:14" (1/1) ... [2024-11-02 12:27:14,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:14" (1/1) ... [2024-11-02 12:27:14,222 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:14" (1/1) ... [2024-11-02 12:27:14,222 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:14" (1/1) ... [2024-11-02 12:27:14,241 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:14" (1/1) ... [2024-11-02 12:27:14,249 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:14" (1/1) ... [2024-11-02 12:27:14,252 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:14" (1/1) ... [2024-11-02 12:27:14,256 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:14" (1/1) ... [2024-11-02 12:27:14,263 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:27:14,264 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:27:14,264 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:27:14,264 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:27:14,269 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:14" (1/1) ... [2024-11-02 12:27:14,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:27:14,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:27:14,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:27:14,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:27:14,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:27:14,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:27:14,386 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:27:14,388 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:27:14,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:27:14,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:27:14,518 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:27:14,524 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:27:17,921 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-02 12:27:17,921 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:27:17,935 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:27:17,935 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:27:17,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:27:17 BoogieIcfgContainer [2024-11-02 12:27:17,936 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:27:17,938 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:27:17,938 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:27:17,942 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:27:17,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:27:13" (1/3) ... [2024-11-02 12:27:17,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f4ebebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:27:17, skipping insertion in model container [2024-11-02 12:27:17,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:14" (2/3) ... [2024-11-02 12:27:17,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f4ebebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:27:17, skipping insertion in model container [2024-11-02 12:27:17,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:27:17" (3/3) ... [2024-11-02 12:27:17,945 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-24.i [2024-11-02 12:27:17,963 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:27:17,964 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:27:18,049 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:27:18,057 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;@6050ae64, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:27:18,057 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:27:18,064 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-02 12:27:18,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-02 12:27:18,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:27:18,084 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:27:18,085 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:27:18,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:27:18,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1394489378, now seen corresponding path program 1 times [2024-11-02 12:27:18,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:27:18,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [541465227] [2024-11-02 12:27:18,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:27:18,115 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 12:27:18,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:27:18,118 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/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 12:27:18,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/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 12:27:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:27:18,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-02 12:27:18,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:27:20,913 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-02 12:27:20,914 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:27:20,922 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:27:20,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [541465227] [2024-11-02 12:27:20,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [541465227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:27:20,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:27:20,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:27:20,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436990432] [2024-11-02 12:27:20,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:27:20,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:27:20,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:27:20,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:27:20,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:27:20,967 INFO L87 Difference]: Start difference. First operand has 65 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-02 12:27:23,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-02 12:27:25,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:27:25,019 INFO L93 Difference]: Finished difference Result 199 states and 355 transitions. [2024-11-02 12:27:25,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 12:27:25,035 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 129 [2024-11-02 12:27:25,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:27:25,048 INFO L225 Difference]: With dead ends: 199 [2024-11-02 12:27:25,048 INFO L226 Difference]: Without dead ends: 137 [2024-11-02 12:27:25,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 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 12:27:25,054 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 75 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 42 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-02 12:27:25,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 265 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 31 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2024-11-02 12:27:25,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-02 12:27:25,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 116. [2024-11-02 12:27:25,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 73 states have (on average 1.3150684931506849) internal successors, (96), 73 states have internal predecessors, (96), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-02 12:27:25,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 176 transitions. [2024-11-02 12:27:25,119 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 176 transitions. Word has length 129 [2024-11-02 12:27:25,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:27:25,120 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 176 transitions. [2024-11-02 12:27:25,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-02 12:27:25,120 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 176 transitions. [2024-11-02 12:27:25,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-02 12:27:25,123 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:27:25,123 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:27:25,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/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 12:27:25,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/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 12:27:25,324 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:27:25,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:27:25,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1637089282, now seen corresponding path program 1 times [2024-11-02 12:27:25,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:27:25,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [251509251] [2024-11-02 12:27:25,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:27:25,327 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 12:27:25,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:27:25,328 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/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 12:27:25,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ce48e0-d6c7-4e36-abc6-0923b429ed2a/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 12:27:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:27:25,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-02 12:27:25,902 INFO L278 TraceCheckSpWp]: Computing forward predicates...