./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-6.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_8cfa8748-15bd-482a-8406-f1131271a6e4/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/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_8cfa8748-15bd-482a-8406-f1131271a6e4/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/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_8cfa8748-15bd-482a-8406-f1131271a6e4/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 4cd105e2e8917dd3f7d377b2f41dc280a12f9a25d3b1400c29b9f9f8c55c6b00 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:31:22,440 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:31:22,500 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:31:22,504 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:31:22,504 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:31:22,526 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:31:22,527 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:31:22,527 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:31:22,528 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:31:22,528 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:31:22,528 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:31:22,529 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:31:22,529 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:31:22,529 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:31:22,529 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:31:22,530 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:31:22,530 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:31:22,530 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:31:22,531 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:31:22,531 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:31:22,531 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:31:22,532 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:31:22,536 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:31:22,537 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:31:22,537 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:31:22,537 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:31:22,538 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:31:22,538 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:31:22,538 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:31:22,539 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:31:22,539 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:31:22,555 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:31:22,555 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:31:22,556 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:31:22,556 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:31:22,556 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:31:22,557 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:31:22,557 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:31:22,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:31:22,558 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:31:22,558 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:31:22,562 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:31:22,562 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:31:22,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:31:22,563 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:31:22,563 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:31:22,563 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:31:22,564 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_8cfa8748-15bd-482a-8406-f1131271a6e4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4cd105e2e8917dd3f7d377b2f41dc280a12f9a25d3b1400c29b9f9f8c55c6b00 [2024-11-02 12:31:22,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:31:22,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:31:22,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:31:22,882 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:31:22,882 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:31:22,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-6.i Unable to find full path for "g++" [2024-11-02 12:31:25,020 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:31:25,215 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:31:25,215 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-6.i [2024-11-02 12:31:25,226 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/bin/utaipan-verify-DbMuA5NWw2/data/c310d96a1/b2c2584f20904e76aa79a18bd5567f54/FLAG864973ce8 [2024-11-02 12:31:25,244 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/bin/utaipan-verify-DbMuA5NWw2/data/c310d96a1/b2c2584f20904e76aa79a18bd5567f54 [2024-11-02 12:31:25,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:31:25,249 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:31:25,250 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:31:25,250 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:31:25,257 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:31:25,258 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:31:25" (1/1) ... [2024-11-02 12:31:25,259 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c2cd4e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:25, skipping insertion in model container [2024-11-02 12:31:25,260 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:31:25" (1/1) ... [2024-11-02 12:31:25,290 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:31:25,503 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_8cfa8748-15bd-482a-8406-f1131271a6e4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-6.i[912,925] [2024-11-02 12:31:25,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:31:25,595 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:31:25,610 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_8cfa8748-15bd-482a-8406-f1131271a6e4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-6.i[912,925] [2024-11-02 12:31:25,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:31:25,691 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:31:25,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:25 WrapperNode [2024-11-02 12:31:25,691 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:31:25,692 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:31:25,692 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:31:25,693 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:31:25,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:25" (1/1) ... [2024-11-02 12:31:25,712 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:25" (1/1) ... [2024-11-02 12:31:25,759 INFO L138 Inliner]: procedures = 26, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 128 [2024-11-02 12:31:25,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:31:25,760 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:31:25,760 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:31:25,761 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:31:25,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:25" (1/1) ... [2024-11-02 12:31:25,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:25" (1/1) ... [2024-11-02 12:31:25,784 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:25" (1/1) ... [2024-11-02 12:31:25,785 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:25" (1/1) ... [2024-11-02 12:31:25,791 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:25" (1/1) ... [2024-11-02 12:31:25,800 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:25" (1/1) ... [2024-11-02 12:31:25,806 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:25" (1/1) ... [2024-11-02 12:31:25,808 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:25" (1/1) ... [2024-11-02 12:31:25,813 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:31:25,818 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:31:25,818 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:31:25,818 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:31:25,819 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:25" (1/1) ... [2024-11-02 12:31:25,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:31:25,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:31:25,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:31:25,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:31:25,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:31:25,910 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:31:25,910 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:31:25,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:31:25,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:31:25,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:31:26,036 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:31:26,041 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:31:26,433 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-02 12:31:26,434 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:31:26,686 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:31:26,690 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:31:26,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:31:26 BoogieIcfgContainer [2024-11-02 12:31:26,691 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:31:26,693 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:31:26,696 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:31:26,703 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:31:26,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:31:25" (1/3) ... [2024-11-02 12:31:26,708 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a71971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:31:26, skipping insertion in model container [2024-11-02 12:31:26,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:25" (2/3) ... [2024-11-02 12:31:26,709 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a71971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:31:26, skipping insertion in model container [2024-11-02 12:31:26,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:31:26" (3/3) ... [2024-11-02 12:31:26,711 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-6.i [2024-11-02 12:31:26,729 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:31:26,729 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:31:26,796 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:31:26,804 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;@49a09441, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:31:26,804 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:31:26,812 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-02 12:31:26,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-02 12:31:26,824 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:31:26,825 INFO L215 NwaCegarLoop]: trace histogram [13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:26,826 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:31:26,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:31:26,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1703762882, now seen corresponding path program 1 times [2024-11-02 12:31:26,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:31:26,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534087628] [2024-11-02 12:31:26,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:31:26,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:31:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 12:31:27,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1009039783] [2024-11-02 12:31:27,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:31:27,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:31:27,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:31:27,267 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:31:27,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 12:31:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:31:27,469 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:31:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:31:27,654 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:31:27,657 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:31:27,658 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:31:27,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-02 12:31:27,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:31:27,866 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:31:27,945 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:31:27,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:31:27 BoogieIcfgContainer [2024-11-02 12:31:27,948 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:31:27,949 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:31:27,949 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:31:27,950 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:31:27,950 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:31:26" (3/4) ... [2024-11-02 12:31:27,953 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:31:27,955 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:31:27,957 INFO L158 Benchmark]: Toolchain (without parser) took 2708.00ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 93.3MB in the beginning and 111.2MB in the end (delta: -17.9MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2024-11-02 12:31:27,958 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 132.1MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:31:27,958 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.49ms. Allocated memory is still 132.1MB. Free memory was 93.3MB in the beginning and 78.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-02 12:31:27,959 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.54ms. Allocated memory is still 132.1MB. Free memory was 78.5MB in the beginning and 76.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:31:27,960 INFO L158 Benchmark]: Boogie Preprocessor took 53.00ms. Allocated memory is still 132.1MB. Free memory was 76.1MB in the beginning and 74.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:31:27,961 INFO L158 Benchmark]: RCFGBuilder took 872.76ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 74.4MB in the beginning and 152.0MB in the end (delta: -77.6MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2024-11-02 12:31:27,962 INFO L158 Benchmark]: TraceAbstraction took 1255.11ms. Allocated memory is still 182.5MB. Free memory was 152.0MB in the beginning and 111.2MB in the end (delta: 40.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-02 12:31:27,962 INFO L158 Benchmark]: Witness Printer took 5.78ms. Allocated memory is still 182.5MB. Free memory is still 111.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:31:27,965 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 132.1MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 441.49ms. Allocated memory is still 132.1MB. Free memory was 93.3MB in the beginning and 78.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.54ms. Allocated memory is still 132.1MB. Free memory was 78.5MB in the beginning and 76.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.00ms. Allocated memory is still 132.1MB. Free memory was 76.1MB in the beginning and 74.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 872.76ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 74.4MB in the beginning and 152.0MB in the end (delta: -77.6MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1255.11ms. Allocated memory is still 182.5MB. Free memory was 152.0MB in the beginning and 111.2MB in the end (delta: 40.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 5.78ms. Allocated memory is still 182.5MB. Free memory is still 111.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 117, overapproximation of someBinaryArithmeticDOUBLEoperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 48, overapproximation of someBinaryArithmeticFLOAToperation at line 69. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 100.25; [L23] double var_1_5 = 1.9; [L24] double var_1_6 = 7.5; [L25] double var_1_7 = 64.25; [L26] signed long int var_1_8 = 2; [L27] signed long int var_1_9 = 1000000000; [L28] signed long int var_1_10 = 1000000000; [L29] signed long int var_1_11 = 1957998270; [L30] float var_1_12 = 50.25; [L31] float var_1_13 = 9.8; [L32] float var_1_14 = 25.5; [L33] float var_1_15 = 3.5; [L34] signed long int var_1_16 = -500; [L35] unsigned char var_1_17 = 1; [L36] unsigned char var_1_18 = 1; [L37] unsigned char var_1_19 = 0; [L38] double last_1_var_1_1 = 100.25; [L39] signed long int last_1_var_1_8 = 2; [L40] float last_1_var_1_12 = 50.25; [L41] signed long int last_1_var_1_16 = -500; [L42] unsigned char last_1_var_1_17 = 1; [L43] unsigned char last_1_var_1_19 = 0; [L121] isInitial = 1 [L122] FCALL initially() [L123] COND TRUE 1 [L124] CALL updateLastVariables() [L109] last_1_var_1_1 = var_1_1 [L110] last_1_var_1_8 = var_1_8 [L111] last_1_var_1_12 = var_1_12 [L112] last_1_var_1_16 = var_1_16 [L113] last_1_var_1_17 = var_1_17 [L114] last_1_var_1_19 = var_1_19 [L124] RET updateLastVariables() [L125] CALL updateVariables() [L85] var_1_5 = __VERIFIER_nondet_double() [L86] CALL assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L87] var_1_6 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L89] var_1_7 = __VERIFIER_nondet_double() [L90] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_8=2, var_1_9=1000000000] [L91] var_1_9 = __VERIFIER_nondet_long() [L92] CALL assume_abort_if_not(var_1_9 >= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_9 >= 536870911) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_8=2, var_1_9=536870911] [L93] CALL assume_abort_if_not(var_1_9 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_9 <= 1073741823) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_8=2, var_1_9=536870911] [L94] var_1_10 = __VERIFIER_nondet_long() [L95] CALL assume_abort_if_not(var_1_10 >= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_10 >= 536870911) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_8=2, var_1_9=536870911] [L96] CALL assume_abort_if_not(var_1_10 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_10 <= 1073741823) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_8=2, var_1_9=536870911] [L97] var_1_11 = __VERIFIER_nondet_long() [L98] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_8=2, var_1_9=536870911] [L99] CALL assume_abort_if_not(var_1_11 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_11 <= 2147483646) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_8=2, var_1_9=536870911] [L100] var_1_14 = __VERIFIER_nondet_float() [L101] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_8=2, var_1_9=536870911] [L102] var_1_15 = __VERIFIER_nondet_float() [L103] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 2305843.009213691390e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 2305843.009213691390e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_8=2, var_1_9=536870911] [L104] var_1_18 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_18 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_18 >= 1) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_8=2, var_1_9=536870911] [L106] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_8=2, var_1_9=536870911] [L125] RET updateVariables() [L126] CALL step() [L47] COND TRUE \read(last_1_var_1_17) [L48] COND FALSE !(var_1_7 > (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) * (last_1_var_1_1 * 63.375))) [L54] COND TRUE (((((- var_1_15)) > ((last_1_var_1_12 * var_1_6))) ? ((- var_1_15)) : ((last_1_var_1_12 * var_1_6)))) < var_1_5 [L55] COND TRUE var_1_11 != ((((last_1_var_1_8) < (var_1_10)) ? (last_1_var_1_8) : (var_1_10))) [L56] COND FALSE !(\read(last_1_var_1_19)) [L61] var_1_8 = (((var_1_9 + var_1_10) - last_1_var_1_16) - (var_1_11 - ((((last_1_var_1_16) < 0 ) ? -(last_1_var_1_16) : (last_1_var_1_16))))) [L62] signed long int stepLocal_1 = (((var_1_16) < (var_1_9)) ? (var_1_16) : (var_1_9)); [L63] COND TRUE stepLocal_1 >= (var_1_16 - var_1_11) [L64] var_1_12 = var_1_7 [L66] var_1_17 = (((var_1_16 * var_1_9) >= ((((var_1_16) > (var_1_8)) ? (var_1_16) : (var_1_8)))) || var_1_18) [L67] signed long int stepLocal_2 = var_1_16; [L68] COND TRUE stepLocal_2 < var_1_11 [L69] var_1_13 = ((7.3868261718112563E18f - (var_1_14 + var_1_15)) - 5.4f) [L73] signed long int stepLocal_0 = var_1_8; [L74] COND FALSE !(\read(var_1_19)) [L81] var_1_1 = var_1_5 [L126] RET step() [L127] CALL, EXPR property() [L117-L118] return ((((((var_1_19 ? ((var_1_8 >= var_1_8) ? (var_1_1 == ((double) (var_1_5 + var_1_6))) : (var_1_1 == ((double) (4.125 - var_1_7)))) : (var_1_1 == ((double) var_1_5))) && (var_1_8 == ((signed long int) (((var_1_9 + var_1_10) - last_1_var_1_16) - (var_1_11 - ((((last_1_var_1_16) < 0 ) ? -(last_1_var_1_16) : (last_1_var_1_16)))))))) && ((((((var_1_16) < (var_1_9)) ? (var_1_16) : (var_1_9))) >= (var_1_16 - var_1_11)) ? (var_1_12 == ((float) var_1_7)) : 1)) && ((var_1_16 < var_1_11) ? (var_1_13 == ((float) ((7.3868261718112563E18f - (var_1_14 + var_1_15)) - 5.4f))) : (var_1_13 == ((float) (var_1_15 + ((((var_1_14) < (var_1_5)) ? (var_1_14) : (var_1_5)))))))) && (((((((- var_1_15)) > ((last_1_var_1_12 * var_1_6))) ? ((- var_1_15)) : ((last_1_var_1_12 * var_1_6)))) < var_1_5) ? ((var_1_11 != ((((last_1_var_1_8) < (var_1_10)) ? (last_1_var_1_8) : (var_1_10)))) ? (last_1_var_1_19 ? (var_1_16 == ((signed long int) last_1_var_1_8)) : 1) : 1) : 1)) && (var_1_17 == ((unsigned char) (((var_1_16 * var_1_9) >= ((((var_1_16) > (var_1_8)) ? (var_1_16) : (var_1_8)))) || var_1_18)))) && (last_1_var_1_17 ? ((var_1_7 > (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) * (last_1_var_1_1 * 63.375))) ? (var_1_19 == ((unsigned char) var_1_18)) : 1) : (var_1_19 == ((unsigned char) var_1_18))) ; [L127] RET, EXPR property() [L127] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=3, var_1_5=3, var_1_7=2, var_1_8=999, var_1_9=536870911] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=536870911, var_1_11=1073741823, var_1_12=2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=3, var_1_5=3, var_1_7=2, var_1_8=999, var_1_9=536870911] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 13, 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=31occurred 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, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-02 12:31:28,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/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_8cfa8748-15bd-482a-8406-f1131271a6e4/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/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_8cfa8748-15bd-482a-8406-f1131271a6e4/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 4cd105e2e8917dd3f7d377b2f41dc280a12f9a25d3b1400c29b9f9f8c55c6b00 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:31:30,650 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:31:30,752 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:31:30,760 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:31:30,761 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:31:30,800 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:31:30,802 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:31:30,803 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:31:30,804 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:31:30,805 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:31:30,806 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:31:30,806 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:31:30,807 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:31:30,807 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:31:30,809 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:31:30,810 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:31:30,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:31:30,811 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:31:30,811 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:31:30,811 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:31:30,812 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:31:30,812 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:31:30,813 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:31:30,813 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:31:30,813 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:31:30,814 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:31:30,814 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:31:30,815 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:31:30,815 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:31:30,815 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:31:30,816 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:31:30,816 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:31:30,816 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:31:30,817 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:31:30,817 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:31:30,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:31:30,818 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:31:30,818 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:31:30,819 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:31:30,819 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:31:30,819 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:31:30,820 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:31:30,820 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:31:30,820 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:31:30,821 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_8cfa8748-15bd-482a-8406-f1131271a6e4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4cd105e2e8917dd3f7d377b2f41dc280a12f9a25d3b1400c29b9f9f8c55c6b00 [2024-11-02 12:31:31,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:31:31,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:31:31,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:31:31,261 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:31:31,262 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:31:31,264 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-6.i Unable to find full path for "g++" [2024-11-02 12:31:33,483 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:31:33,704 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:31:33,704 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-6.i [2024-11-02 12:31:33,715 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/bin/utaipan-verify-DbMuA5NWw2/data/1ca2cc24b/708c3ea9c7a542c0a19364b87afd69e7/FLAG1ba8d60ee [2024-11-02 12:31:34,044 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/bin/utaipan-verify-DbMuA5NWw2/data/1ca2cc24b/708c3ea9c7a542c0a19364b87afd69e7 [2024-11-02 12:31:34,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:31:34,049 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:31:34,051 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:31:34,051 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:31:34,057 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:31:34,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:31:34" (1/1) ... [2024-11-02 12:31:34,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@937c22e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:34, skipping insertion in model container [2024-11-02 12:31:34,059 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:31:34" (1/1) ... [2024-11-02 12:31:34,095 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:31:34,339 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_8cfa8748-15bd-482a-8406-f1131271a6e4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-6.i[912,925] [2024-11-02 12:31:34,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:31:34,438 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:31:34,455 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_8cfa8748-15bd-482a-8406-f1131271a6e4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-6.i[912,925] [2024-11-02 12:31:34,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:31:34,531 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:31:34,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:34 WrapperNode [2024-11-02 12:31:34,532 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:31:34,533 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:31:34,534 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:31:34,534 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:31:34,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:34" (1/1) ... [2024-11-02 12:31:34,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:34" (1/1) ... [2024-11-02 12:31:34,603 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2024-11-02 12:31:34,603 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:31:34,604 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:31:34,604 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:31:34,605 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:31:34,619 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:34" (1/1) ... [2024-11-02 12:31:34,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:34" (1/1) ... [2024-11-02 12:31:34,627 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:34" (1/1) ... [2024-11-02 12:31:34,627 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:34" (1/1) ... [2024-11-02 12:31:34,647 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:34" (1/1) ... [2024-11-02 12:31:34,676 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:34" (1/1) ... [2024-11-02 12:31:34,678 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:34" (1/1) ... [2024-11-02 12:31:34,683 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:34" (1/1) ... [2024-11-02 12:31:34,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:31:34,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:31:34,690 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:31:34,690 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:31:34,696 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:34" (1/1) ... [2024-11-02 12:31:34,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:31:34,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:31:34,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:31:34,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:31:34,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:31:34,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:31:34,777 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:31:34,777 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:31:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:31:34,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:31:34,899 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:31:34,903 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:31:49,229 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-02 12:31:49,230 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:31:49,250 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:31:49,252 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:31:49,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:31:49 BoogieIcfgContainer [2024-11-02 12:31:49,253 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:31:49,256 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:31:49,256 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:31:49,259 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:31:49,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:31:34" (1/3) ... [2024-11-02 12:31:49,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@100d7ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:31:49, skipping insertion in model container [2024-11-02 12:31:49,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:34" (2/3) ... [2024-11-02 12:31:49,263 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@100d7ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:31:49, skipping insertion in model container [2024-11-02 12:31:49,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:31:49" (3/3) ... [2024-11-02 12:31:49,265 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-6.i [2024-11-02 12:31:49,284 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:31:49,284 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:31:49,346 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:31:49,353 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;@11243dd0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:31:49,353 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:31:49,358 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 38 states have internal predecessors, (51), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-02 12:31:49,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-02 12:31:49,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:31:49,374 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:49,374 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:31:49,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:31:49,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1507269492, now seen corresponding path program 1 times [2024-11-02 12:31:49,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:31:49,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2007989294] [2024-11-02 12:31:49,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:31:49,417 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 12:31:49,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:31:49,419 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/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 12:31:49,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/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 12:31:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:31:50,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:31:50,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:31:50,459 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-02 12:31:50,459 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:31:50,460 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:31:50,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2007989294] [2024-11-02 12:31:50,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2007989294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:31:50,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:31:50,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:31:50,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625825755] [2024-11-02 12:31:50,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:31:50,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:31:50,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:31:50,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:31:50,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:31:50,506 INFO L87 Difference]: Start difference. First operand has 53 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 38 states have internal predecessors, (51), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-02 12:31:50,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:31:50,550 INFO L93 Difference]: Finished difference Result 99 states and 161 transitions. [2024-11-02 12:31:50,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:31:50,552 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 91 [2024-11-02 12:31:50,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:31:50,564 INFO L225 Difference]: With dead ends: 99 [2024-11-02 12:31:50,564 INFO L226 Difference]: Without dead ends: 49 [2024-11-02 12:31:50,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 90 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 12:31:50,579 INFO L432 NwaCegarLoop]: 70 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, 70 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 12:31:50,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:31:50,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-02 12:31:50,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-02 12:31:50,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 34 states have internal predecessors, (44), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-02 12:31:50,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2024-11-02 12:31:50,638 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 91 [2024-11-02 12:31:50,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:31:50,640 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2024-11-02 12:31:50,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-02 12:31:50,641 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2024-11-02 12:31:50,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-02 12:31:50,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:31:50,647 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:50,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/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 12:31:50,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/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 12:31:50,848 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:31:50,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:31:50,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1317533642, now seen corresponding path program 1 times [2024-11-02 12:31:50,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:31:50,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1267878214] [2024-11-02 12:31:50,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:31:50,851 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 12:31:50,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:31:50,854 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/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 12:31:50,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/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 12:31:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:31:51,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 12:31:51,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:31:53,836 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-02 12:31:53,837 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:31:53,837 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:31:53,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1267878214] [2024-11-02 12:31:53,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1267878214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:31:53,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:31:53,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:31:53,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359718773] [2024-11-02 12:31:53,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:31:53,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:31:53,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:31:53,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:31:53,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:31:53,851 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-02 12:31:56,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-02 12:31:58,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-02 12:32:01,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-02 12:32:03,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-02 12:32:03,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:32:03,143 INFO L93 Difference]: Finished difference Result 142 states and 205 transitions. [2024-11-02 12:32:03,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 12:32:03,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 91 [2024-11-02 12:32:03,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:32:03,221 INFO L225 Difference]: With dead ends: 142 [2024-11-02 12:32:03,221 INFO L226 Difference]: Without dead ends: 96 [2024-11-02 12:32:03,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:32:03,225 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 54 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 27 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-11-02 12:32:03,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 195 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 7 Invalid, 4 Unknown, 0 Unchecked, 9.2s Time] [2024-11-02 12:32:03,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-02 12:32:03,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 78. [2024-11-02 12:32:03,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 49 states have internal predecessors, (59), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-02 12:32:03,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 111 transitions. [2024-11-02 12:32:03,258 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 111 transitions. Word has length 91 [2024-11-02 12:32:03,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:32:03,259 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 111 transitions. [2024-11-02 12:32:03,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-02 12:32:03,259 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2024-11-02 12:32:03,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-02 12:32:03,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:32:03,261 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:32:03,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/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)] Forceful destruction successful, exit code 0 [2024-11-02 12:32:03,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/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 12:32:03,462 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:32:03,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:32:03,463 INFO L85 PathProgramCache]: Analyzing trace with hash -2120436618, now seen corresponding path program 1 times [2024-11-02 12:32:03,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:32:03,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [169499935] [2024-11-02 12:32:03,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:32:03,464 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 12:32:03,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:32:03,467 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/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 12:32:03,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cfa8748-15bd-482a-8406-f1131271a6e4/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