./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-56.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/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_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-56.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/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_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/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 490983baa73e78cedc1fd82ca87154a66bb4f29bb6792de18df4399a6d4d2c54 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:23:54,796 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:23:54,882 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:23:54,891 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:23:54,892 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:23:54,933 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:23:54,935 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:23:54,935 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:23:54,936 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:23:54,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:23:54,939 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:23:54,940 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:23:54,940 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:23:54,941 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:23:54,945 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:23:54,945 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:23:54,946 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:23:54,946 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:23:54,946 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:23:54,946 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:23:54,947 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:23:54,948 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:23:54,948 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:23:54,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:23:54,952 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:23:54,953 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:23:54,953 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:23:54,953 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:23:54,953 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:23:54,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:23:54,954 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:23:54,954 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:23:54,954 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:23:54,955 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:23:54,955 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:23:54,956 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:23:54,957 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:23:54,957 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:23:54,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:23:54,958 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:23:54,958 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:23:54,959 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:23:54,959 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:23:54,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:23:54,960 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:23:54,960 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:23:54,960 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:23:54,961 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_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 490983baa73e78cedc1fd82ca87154a66bb4f29bb6792de18df4399a6d4d2c54 [2024-11-02 12:23:55,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:23:55,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:23:55,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:23:55,432 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:23:55,433 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:23:55,434 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-56.i Unable to find full path for "g++" [2024-11-02 12:23:57,734 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:23:58,000 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:23:58,001 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-56.i [2024-11-02 12:23:58,010 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/bin/utaipan-verify-DbMuA5NWw2/data/de6fd5738/97273dd9617e4d15a07badda3c13e17e/FLAGe32df3ca5 [2024-11-02 12:23:58,341 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/bin/utaipan-verify-DbMuA5NWw2/data/de6fd5738/97273dd9617e4d15a07badda3c13e17e [2024-11-02 12:23:58,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:23:58,345 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:23:58,347 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:23:58,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:23:58,355 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:23:58,356 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:23:58" (1/1) ... [2024-11-02 12:23:58,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ec9901e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:58, skipping insertion in model container [2024-11-02 12:23:58,362 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:23:58" (1/1) ... [2024-11-02 12:23:58,417 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:23:58,632 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_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-56.i[913,926] [2024-11-02 12:23:58,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:23:58,717 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:23:58,728 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_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-56.i[913,926] [2024-11-02 12:23:58,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:23:58,786 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:23:58,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:58 WrapperNode [2024-11-02 12:23:58,787 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:23:58,788 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:23:58,788 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:23:58,788 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:23:58,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:58" (1/1) ... [2024-11-02 12:23:58,813 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:58" (1/1) ... [2024-11-02 12:23:58,881 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 156 [2024-11-02 12:23:58,881 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:23:58,882 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:23:58,883 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:23:58,883 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:23:58,896 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:58" (1/1) ... [2024-11-02 12:23:58,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:58" (1/1) ... [2024-11-02 12:23:58,900 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:58" (1/1) ... [2024-11-02 12:23:58,900 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:58" (1/1) ... [2024-11-02 12:23:58,910 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:58" (1/1) ... [2024-11-02 12:23:58,913 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:58" (1/1) ... [2024-11-02 12:23:58,916 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:58" (1/1) ... [2024-11-02 12:23:58,919 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:58" (1/1) ... [2024-11-02 12:23:58,927 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:23:58,928 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:23:58,928 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:23:58,930 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:23:58,931 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:58" (1/1) ... [2024-11-02 12:23:58,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:23:58,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:23:58,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:23:58,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:23:59,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:23:59,016 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:23:59,016 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:23:59,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:23:59,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:23:59,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:23:59,122 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:23:59,124 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:23:59,541 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-02 12:23:59,541 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:23:59,799 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:23:59,799 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:23:59,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:59 BoogieIcfgContainer [2024-11-02 12:23:59,800 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:23:59,803 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:23:59,803 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:23:59,807 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:23:59,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:23:58" (1/3) ... [2024-11-02 12:23:59,808 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18a05c66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:23:59, skipping insertion in model container [2024-11-02 12:23:59,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:58" (2/3) ... [2024-11-02 12:23:59,809 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18a05c66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:23:59, skipping insertion in model container [2024-11-02 12:23:59,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:59" (3/3) ... [2024-11-02 12:23:59,810 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-56.i [2024-11-02 12:23:59,830 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:23:59,830 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:23:59,898 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:23:59,905 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;@15bcd369, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:23:59,906 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:23:59,909 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-02 12:23:59,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-02 12:23:59,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:23:59,919 INFO L215 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:23:59,920 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:23:59,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:23:59,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1219981877, now seen corresponding path program 1 times [2024-11-02 12:23:59,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:23:59,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46140404] [2024-11-02 12:23:59,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:23:59,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:24:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:24:00,338 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:24:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:24:00,611 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:24:00,614 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:24:00,616 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:24:00,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:24:00,622 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:24:00,697 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:24:00,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:24:00 BoogieIcfgContainer [2024-11-02 12:24:00,702 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:24:00,702 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:24:00,703 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:24:00,703 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:24:00,703 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:59" (3/4) ... [2024-11-02 12:24:00,706 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:24:00,707 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:24:00,707 INFO L158 Benchmark]: Toolchain (without parser) took 2362.41ms. Allocated memory is still 140.5MB. Free memory was 105.9MB in the beginning and 100.9MB in the end (delta: 4.9MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-11-02 12:24:00,708 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 140.5MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:24:00,709 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.07ms. Allocated memory is still 140.5MB. Free memory was 105.4MB in the beginning and 90.2MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-02 12:24:00,709 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.61ms. Allocated memory is still 140.5MB. Free memory was 90.2MB in the beginning and 86.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:24:00,710 INFO L158 Benchmark]: Boogie Preprocessor took 44.63ms. Allocated memory is still 140.5MB. Free memory was 86.5MB in the beginning and 84.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:24:00,711 INFO L158 Benchmark]: RCFGBuilder took 872.49ms. Allocated memory is still 140.5MB. Free memory was 84.4MB in the beginning and 96.3MB in the end (delta: -11.9MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2024-11-02 12:24:00,711 INFO L158 Benchmark]: TraceAbstraction took 899.32ms. Allocated memory is still 140.5MB. Free memory was 95.6MB in the beginning and 100.9MB in the end (delta: -5.3MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2024-11-02 12:24:00,712 INFO L158 Benchmark]: Witness Printer took 4.20ms. Allocated memory is still 140.5MB. Free memory is still 100.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:24:00,715 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 140.5MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.07ms. Allocated memory is still 140.5MB. Free memory was 105.4MB in the beginning and 90.2MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.61ms. Allocated memory is still 140.5MB. Free memory was 90.2MB in the beginning and 86.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.63ms. Allocated memory is still 140.5MB. Free memory was 86.5MB in the beginning and 84.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 872.49ms. Allocated memory is still 140.5MB. Free memory was 84.4MB in the beginning and 96.3MB in the end (delta: -11.9MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. * TraceAbstraction took 899.32ms. Allocated memory is still 140.5MB. Free memory was 95.6MB in the beginning and 100.9MB in the end (delta: -5.3MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. * Witness Printer took 4.20ms. Allocated memory is still 140.5MB. Free memory is still 100.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 106, overapproximation of shiftRight at line 40, overapproximation of shiftLeft at line 49. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] signed char var_1_3 = 0; [L24] unsigned char var_1_5 = 128; [L25] unsigned char var_1_6 = 16; [L26] unsigned char var_1_7 = 2; [L27] unsigned char var_1_8 = 8; [L28] double var_1_9 = 10.5; [L29] unsigned char var_1_10 = 0; [L30] unsigned char var_1_12 = 0; [L31] double var_1_13 = 99.25; [L32] unsigned char var_1_14 = 64; [L33] unsigned char var_1_16 = 0; [L34] unsigned char var_1_17 = 0; [L35] unsigned char var_1_18 = 1; [L36] unsigned char last_1_var_1_14 = 64; [L110] isInitial = 1 [L111] FCALL initially() [L112] COND TRUE 1 [L113] CALL updateLastVariables() [L103] last_1_var_1_14 = var_1_14 [L113] RET updateLastVariables() [L114] CALL updateVariables() [L72] var_1_3 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=128, var_1_6=16, var_1_7=2, var_1_8=8, var_1_9=21/2] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=128, var_1_6=16, var_1_7=2, var_1_8=8, var_1_9=21/2] [L74] CALL assume_abort_if_not(var_1_3 <= 16) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=128, var_1_6=16, var_1_7=2, var_1_8=8, var_1_9=21/2] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_3 <= 16) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=128, var_1_6=16, var_1_7=2, var_1_8=8, var_1_9=21/2] [L75] var_1_5 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_5 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=254, var_1_6=16, var_1_7=2, var_1_8=8, var_1_9=21/2] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_5 >= 127) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=254, var_1_6=16, var_1_7=2, var_1_8=8, var_1_9=21/2] [L77] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=254, var_1_6=16, var_1_7=2, var_1_8=8, var_1_9=21/2] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=254, var_1_6=16, var_1_7=2, var_1_8=8, var_1_9=21/2] [L78] var_1_6 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=254, var_1_7=2, var_1_8=8, var_1_9=21/2] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=254, var_1_7=2, var_1_8=8, var_1_9=21/2] [L80] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=254, var_1_6=0, var_1_7=2, var_1_8=8, var_1_9=21/2] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=254, var_1_6=0, var_1_7=2, var_1_8=8, var_1_9=21/2] [L81] var_1_7 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=254, var_1_6=0, var_1_8=8, var_1_9=21/2] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=254, var_1_6=0, var_1_8=8, var_1_9=21/2] [L83] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=254, var_1_6=0, var_1_7=2, var_1_8=8, var_1_9=21/2] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=254, var_1_6=0, var_1_7=2, var_1_8=8, var_1_9=21/2] [L84] var_1_8 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=254, var_1_6=0, var_1_7=2, var_1_9=21/2] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=254, var_1_6=0, var_1_7=2, var_1_9=21/2] [L86] CALL assume_abort_if_not(var_1_8 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=254, var_1_6=0, var_1_7=2, var_1_8=0, var_1_9=21/2] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_8 <= 64) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=254, var_1_6=0, var_1_7=2, var_1_8=0, var_1_9=21/2] [L87] var_1_10 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=254, var_1_6=0, var_1_7=2, var_1_8=0, var_1_9=21/2] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_14=64, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=254, var_1_6=0, var_1_7=2, var_1_8=0, var_1_9=21/2] [L89] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=254, var_1_6=0, var_1_7=2, var_1_8=0, var_1_9=21/2] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=254, var_1_6=0, var_1_7=2, var_1_8=0, var_1_9=21/2] [L90] var_1_12 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=254, var_1_6=0, var_1_7=2, var_1_8=0, var_1_9=21/2] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=254, var_1_6=0, var_1_7=2, var_1_8=0, var_1_9=21/2] [L92] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=254, var_1_6=0, var_1_7=2, var_1_8=0, var_1_9=21/2] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=397/4, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=254, var_1_6=0, var_1_7=2, var_1_8=0, var_1_9=21/2] [L93] var_1_13 = __VERIFIER_nondet_double() [L94] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=254, var_1_6=0, var_1_7=2, var_1_8=0, var_1_9=21/2] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=254, var_1_6=0, var_1_7=2, var_1_8=0, var_1_9=21/2] [L95] var_1_17 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_14=64, var_1_16=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=254, var_1_6=0, var_1_7=2, var_1_8=0, var_1_9=21/2] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_14=64, var_1_16=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=254, var_1_6=0, var_1_7=2, var_1_8=0, var_1_9=21/2] [L97] CALL assume_abort_if_not(var_1_17 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=254, var_1_6=0, var_1_7=2, var_1_8=0, var_1_9=21/2] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_17 <= 0) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=1, var_1_1=1, var_1_3=0, var_1_5=254, var_1_6=0, var_1_7=2, var_1_8=0, var_1_9=21/2] [L98] var_1_18 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_18 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=-255, var_1_1=1, var_1_3=0, var_1_5=254, var_1_6=0, var_1_7=2, var_1_8=0, var_1_9=21/2] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_18 >= 1) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=-255, var_1_1=1, var_1_3=0, var_1_5=254, var_1_6=0, var_1_7=2, var_1_8=0, var_1_9=21/2] [L100] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=-255, var_1_1=1, var_1_3=0, var_1_5=254, var_1_6=0, var_1_7=2, var_1_8=0, var_1_9=21/2] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_14=64, var_1_16=0, var_1_17=0, var_1_18=-255, var_1_1=1, var_1_3=0, var_1_5=254, var_1_6=0, var_1_7=2, var_1_8=0, var_1_9=21/2] [L114] RET updateVariables() [L115] CALL step() [L40] EXPR last_1_var_1_14 >> var_1_3 [L40] COND TRUE (last_1_var_1_14 >> var_1_3) >= last_1_var_1_14 [L41] var_1_1 = ((((var_1_3) < ((var_1_5 - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) ? (var_1_3) : ((var_1_5 - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))))))) [L45] COND FALSE !((var_1_8 + var_1_1) >= var_1_7) [L48] COND TRUE var_1_12 || var_1_10 [L49] EXPR var_1_8 << var_1_3 [L49] COND TRUE var_1_1 >= (var_1_8 << var_1_3) [L50] COND FALSE !(var_1_6 > var_1_7) [L53] var_1_16 = 1 [L61] unsigned char stepLocal_1 = var_1_14; [L62] unsigned char stepLocal_0 = var_1_16; [L63] COND TRUE \read(var_1_16) [L64] COND TRUE stepLocal_0 || var_1_16 [L65] COND TRUE stepLocal_1 > var_1_6 [L66] var_1_9 = var_1_13 [L115] RET step() [L116] CALL, EXPR property() [L106] EXPR last_1_var_1_14 >> var_1_3 [L106] EXPR (((((last_1_var_1_14 >> var_1_3) >= last_1_var_1_14) ? (var_1_1 == ((unsigned char) ((((var_1_3) < ((var_1_5 - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) ? (var_1_3) : ((var_1_5 - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))))))))) : (var_1_1 == ((unsigned char) (((((var_1_6) < (var_1_3)) ? (var_1_6) : (var_1_3))) + (((((var_1_8 + 1)) < (var_1_7)) ? ((var_1_8 + 1)) : (var_1_7))))))) && (var_1_16 ? ((var_1_16 || var_1_16) ? ((var_1_14 > var_1_6) ? (var_1_9 == ((double) var_1_13)) : 1) : 1) : 1)) && (((var_1_8 + var_1_1) >= var_1_7) ? (var_1_14 == ((unsigned char) var_1_6)) : 1)) && ((var_1_12 || var_1_10) ? ((var_1_1 >= (var_1_8 << var_1_3)) ? ((var_1_6 > var_1_7) ? (var_1_16 == ((unsigned char) var_1_17)) : (var_1_16 == ((unsigned char) 1))) : (var_1_16 == ((unsigned char) var_1_18))) : (var_1_16 == ((unsigned char) var_1_17))) [L106-L107] return (((((last_1_var_1_14 >> var_1_3) >= last_1_var_1_14) ? (var_1_1 == ((unsigned char) ((((var_1_3) < ((var_1_5 - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) ? (var_1_3) : ((var_1_5 - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))))))))) : (var_1_1 == ((unsigned char) (((((var_1_6) < (var_1_3)) ? (var_1_6) : (var_1_3))) + (((((var_1_8 + 1)) < (var_1_7)) ? ((var_1_8 + 1)) : (var_1_7))))))) && (var_1_16 ? ((var_1_16 || var_1_16) ? ((var_1_14 > var_1_6) ? (var_1_9 == ((double) var_1_13)) : 1) : 1) : 1)) && (((var_1_8 + var_1_1) >= var_1_7) ? (var_1_14 == ((unsigned char) var_1_6)) : 1)) && ((var_1_12 || var_1_10) ? ((var_1_1 >= (var_1_8 << var_1_3)) ? ((var_1_6 > var_1_7) ? (var_1_16 == ((unsigned char) var_1_17)) : (var_1_16 == ((unsigned char) 1))) : (var_1_16 == ((unsigned char) var_1_18))) : (var_1_16 == ((unsigned char) var_1_17))) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=21/2, var_1_14=64, var_1_16=1, var_1_17=0, var_1_18=-255, var_1_1=0, var_1_3=0, var_1_5=254, var_1_6=0, var_1_7=2, var_1_8=0, var_1_9=21/2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=64, var_1_10=0, var_1_12=1, var_1_13=21/2, var_1_14=64, var_1_16=1, var_1_17=0, var_1_18=-255, var_1_1=0, var_1_3=0, var_1_5=254, var_1_6=0, var_1_7=2, var_1_8=0, var_1_9=21/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-02 12:24:00,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/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_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-56.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/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_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/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 490983baa73e78cedc1fd82ca87154a66bb4f29bb6792de18df4399a6d4d2c54 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:24:03,704 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:24:03,792 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:24:03,815 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:24:03,818 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:24:03,858 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:24:03,859 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:24:03,859 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:24:03,860 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:24:03,865 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:24:03,866 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:24:03,866 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:24:03,867 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:24:03,867 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:24:03,867 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:24:03,868 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:24:03,868 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:24:03,869 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:24:03,869 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:24:03,869 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:24:03,872 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:24:03,872 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:24:03,873 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:24:03,873 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:24:03,873 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:24:03,874 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:24:03,874 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:24:03,874 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:24:03,875 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:24:03,875 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:24:03,875 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:24:03,876 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:24:03,876 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:24:03,876 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:24:03,876 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:24:03,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:24:03,877 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:24:03,877 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:24:03,878 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:24:03,880 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:24:03,880 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:24:03,884 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:24:03,884 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:24:03,885 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:24:03,885 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_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 490983baa73e78cedc1fd82ca87154a66bb4f29bb6792de18df4399a6d4d2c54 [2024-11-02 12:24:04,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:24:04,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:24:04,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:24:04,451 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:24:04,452 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:24:04,453 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-56.i Unable to find full path for "g++" [2024-11-02 12:24:06,814 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:24:07,109 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:24:07,110 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-56.i [2024-11-02 12:24:07,123 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/bin/utaipan-verify-DbMuA5NWw2/data/b3190e24b/ebe3ea05065b477892c23e8d0e30ff03/FLAG4360d0e1c [2024-11-02 12:24:07,145 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/bin/utaipan-verify-DbMuA5NWw2/data/b3190e24b/ebe3ea05065b477892c23e8d0e30ff03 [2024-11-02 12:24:07,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:24:07,152 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:24:07,155 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:24:07,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:24:07,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:24:07,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:24:07" (1/1) ... [2024-11-02 12:24:07,164 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@573ce5cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:07, skipping insertion in model container [2024-11-02 12:24:07,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:24:07" (1/1) ... [2024-11-02 12:24:07,204 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:24:07,444 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_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-56.i[913,926] [2024-11-02 12:24:07,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:24:07,545 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:24:07,558 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_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-56.i[913,926] [2024-11-02 12:24:07,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:24:07,637 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:24:07,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:07 WrapperNode [2024-11-02 12:24:07,638 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:24:07,639 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:24:07,639 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:24:07,640 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:24:07,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:07" (1/1) ... [2024-11-02 12:24:07,666 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:07" (1/1) ... [2024-11-02 12:24:07,709 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2024-11-02 12:24:07,713 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:24:07,714 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:24:07,728 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:24:07,728 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:24:07,752 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:07" (1/1) ... [2024-11-02 12:24:07,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:07" (1/1) ... [2024-11-02 12:24:07,755 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:07" (1/1) ... [2024-11-02 12:24:07,756 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:07" (1/1) ... [2024-11-02 12:24:07,788 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:07" (1/1) ... [2024-11-02 12:24:07,798 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:07" (1/1) ... [2024-11-02 12:24:07,801 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:07" (1/1) ... [2024-11-02 12:24:07,809 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:07" (1/1) ... [2024-11-02 12:24:07,820 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:24:07,821 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:24:07,821 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:24:07,821 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:24:07,822 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:07" (1/1) ... [2024-11-02 12:24:07,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:24:07,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:24:07,866 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:24:07,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:24:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:24:07,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:24:07,907 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:24:07,907 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:24:07,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:24:07,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:24:08,018 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:24:08,022 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:24:08,456 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-02 12:24:08,456 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:24:08,473 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:24:08,473 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:24:08,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:24:08 BoogieIcfgContainer [2024-11-02 12:24:08,474 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:24:08,477 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:24:08,477 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:24:08,480 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:24:08,481 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:24:07" (1/3) ... [2024-11-02 12:24:08,482 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7625a42f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:24:08, skipping insertion in model container [2024-11-02 12:24:08,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:07" (2/3) ... [2024-11-02 12:24:08,484 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7625a42f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:24:08, skipping insertion in model container [2024-11-02 12:24:08,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:24:08" (3/3) ... [2024-11-02 12:24:08,485 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-56.i [2024-11-02 12:24:08,506 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:24:08,506 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:24:08,615 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:24:08,628 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;@4c9fb7d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:24:08,629 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:24:08,641 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 36 states have internal predecessors, (48), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-02 12:24:08,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-02 12:24:08,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:24:08,670 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:24:08,671 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:24:08,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:24:08,684 INFO L85 PathProgramCache]: Analyzing trace with hash -2146284140, now seen corresponding path program 1 times [2024-11-02 12:24:08,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:24:08,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1531494240] [2024-11-02 12:24:08,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:24:08,705 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:24:08,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:24:08,710 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:24:08,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-02 12:24:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:24:08,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:24:08,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:24:09,082 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-02 12:24:09,086 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:24:09,088 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:24:09,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1531494240] [2024-11-02 12:24:09,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1531494240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:24:09,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:24:09,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:24:09,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072676972] [2024-11-02 12:24:09,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:24:09,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:24:09,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:24:09,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:24:09,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:24:09,138 INFO L87 Difference]: Start difference. First operand has 57 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 36 states have internal predecessors, (48), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-02 12:24:09,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:24:09,182 INFO L93 Difference]: Finished difference Result 107 states and 185 transitions. [2024-11-02 12:24:09,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:24:09,184 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 119 [2024-11-02 12:24:09,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:24:09,194 INFO L225 Difference]: With dead ends: 107 [2024-11-02 12:24:09,194 INFO L226 Difference]: Without dead ends: 53 [2024-11-02 12:24:09,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:24:09,202 INFO L432 NwaCegarLoop]: 79 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, 79 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:24:09,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:24:09,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-02 12:24:09,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-02 12:24:09,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 32 states have (on average 1.28125) internal successors, (41), 32 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-02 12:24:09,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 79 transitions. [2024-11-02 12:24:09,278 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 79 transitions. Word has length 119 [2024-11-02 12:24:09,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:24:09,280 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 79 transitions. [2024-11-02 12:24:09,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-02 12:24:09,281 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 79 transitions. [2024-11-02 12:24:09,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-02 12:24:09,285 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:24:09,286 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:24:09,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-02 12:24:09,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:24:09,487 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:24:09,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:24:09,487 INFO L85 PathProgramCache]: Analyzing trace with hash -2079666602, now seen corresponding path program 1 times [2024-11-02 12:24:09,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:24:09,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1685850892] [2024-11-02 12:24:09,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:24:09,489 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:24:09,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:24:09,491 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:24:09,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7228ba-3287-4b3b-9b9f-27ddbc069aba/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-02 12:24:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:24:09,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-02 12:24:09,724 INFO L278 TraceCheckSpWp]: Computing forward predicates...