./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.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_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/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_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/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_00339aa0-5fcc-4daa-9364-e82f2e04e224/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 134b13cd1b8ac1dc8abd325434d56d90d6a754291c767bced87290501af7bb0e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:23:20,065 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:23:20,167 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:23:20,173 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:23:20,173 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:23:20,214 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:23:20,215 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:23:20,217 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:23:20,218 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:23:20,220 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:23:20,221 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:23:20,221 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:23:20,222 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:23:20,224 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:23:20,225 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:23:20,225 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:23:20,225 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:23:20,226 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:23:20,229 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:23:20,229 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:23:20,229 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:23:20,230 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:23:20,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:23:20,231 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:23:20,232 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:23:20,232 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:23:20,232 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:23:20,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:23:20,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:23:20,233 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:23:20,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:23:20,235 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:23:20,235 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:23:20,236 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:23:20,236 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:23:20,236 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:23:20,237 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:23:20,237 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:23:20,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:23:20,238 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:23:20,238 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:23:20,240 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:23:20,240 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:23:20,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:23:20,241 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:23:20,242 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:23:20,242 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:23:20,242 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_00339aa0-5fcc-4daa-9364-e82f2e04e224/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 134b13cd1b8ac1dc8abd325434d56d90d6a754291c767bced87290501af7bb0e [2024-11-02 12:23:20,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:23:20,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:23:20,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:23:20,601 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:23:20,602 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:23:20,604 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i Unable to find full path for "g++" [2024-11-02 12:23:22,932 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:23:23,282 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:23:23,283 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i [2024-11-02 12:23:23,294 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/data/bd79f6e99/d60f85ed7a7a43dea124a13fb839529d/FLAG276f6f4bf [2024-11-02 12:23:23,532 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/data/bd79f6e99/d60f85ed7a7a43dea124a13fb839529d [2024-11-02 12:23:23,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:23:23,537 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:23:23,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:23:23,539 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:23:23,548 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:23:23,549 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:23:23" (1/1) ... [2024-11-02 12:23:23,550 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10887647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:23, skipping insertion in model container [2024-11-02 12:23:23,553 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:23:23" (1/1) ... [2024-11-02 12:23:23,576 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:23:23,777 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_00339aa0-5fcc-4daa-9364-e82f2e04e224/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i[915,928] [2024-11-02 12:23:23,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:23:23,821 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:23:23,833 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_00339aa0-5fcc-4daa-9364-e82f2e04e224/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i[915,928] [2024-11-02 12:23:23,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:23:23,869 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:23:23,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:23 WrapperNode [2024-11-02 12:23:23,870 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:23:23,871 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:23:23,872 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:23:23,872 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:23:23,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:23" (1/1) ... [2024-11-02 12:23:23,890 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:23" (1/1) ... [2024-11-02 12:23:23,921 INFO L138 Inliner]: procedures = 26, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 82 [2024-11-02 12:23:23,921 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:23:23,922 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:23:23,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:23:23,923 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:23:23,935 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:23" (1/1) ... [2024-11-02 12:23:23,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:23" (1/1) ... [2024-11-02 12:23:23,939 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:23" (1/1) ... [2024-11-02 12:23:23,940 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:23" (1/1) ... [2024-11-02 12:23:23,947 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:23" (1/1) ... [2024-11-02 12:23:23,951 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:23" (1/1) ... [2024-11-02 12:23:23,953 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:23" (1/1) ... [2024-11-02 12:23:23,954 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:23" (1/1) ... [2024-11-02 12:23:23,957 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:23:23,959 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:23:23,959 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:23:23,959 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:23:23,960 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:23" (1/1) ... [2024-11-02 12:23:23,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:23:23,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:23:24,011 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:23:24,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:23:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:23:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:23:24,052 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:23:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:23:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:23:24,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:23:24,127 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:23:24,130 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:23:24,367 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-02 12:23:24,367 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:23:24,553 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:23:24,553 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:23:24,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:24 BoogieIcfgContainer [2024-11-02 12:23:24,554 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:23:24,556 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:23:24,556 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:23:24,560 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:23:24,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:23:23" (1/3) ... [2024-11-02 12:23:24,561 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3480e361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:23:24, skipping insertion in model container [2024-11-02 12:23:24,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:23" (2/3) ... [2024-11-02 12:23:24,561 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3480e361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:23:24, skipping insertion in model container [2024-11-02 12:23:24,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:24" (3/3) ... [2024-11-02 12:23:24,563 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-21.i [2024-11-02 12:23:24,581 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:23:24,581 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:23:24,635 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:23:24,642 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;@76bb8d5e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:23:24,643 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:23:24,647 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-02 12:23:24,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-02 12:23:24,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:23:24,655 INFO L215 NwaCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:23:24,659 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:23:24,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:23:24,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1958567757, now seen corresponding path program 1 times [2024-11-02 12:23:24,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:23:24,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124217501] [2024-11-02 12:23:24,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:23:24,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:23:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 12:23:24,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1887512760] [2024-11-02 12:23:24,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:23:24,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:23:24,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:23:24,991 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:23:24,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 12:23:25,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:23:25,189 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:23:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:23:25,299 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:23:25,303 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:23:25,305 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:23:25,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-02 12:23:25,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-02 12:23:25,512 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:23:25,552 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:23:25,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:23:25 BoogieIcfgContainer [2024-11-02 12:23:25,556 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:23:25,557 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:23:25,557 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:23:25,557 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:23:25,558 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:24" (3/4) ... [2024-11-02 12:23:25,561 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:23:25,563 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:23:25,564 INFO L158 Benchmark]: Toolchain (without parser) took 2027.18ms. Allocated memory is still 182.5MB. Free memory was 149.2MB in the beginning and 133.2MB in the end (delta: 16.0MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2024-11-02 12:23:25,565 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 138.4MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:23:25,565 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.30ms. Allocated memory is still 182.5MB. Free memory was 149.2MB in the beginning and 135.8MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-02 12:23:25,566 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.39ms. Allocated memory is still 182.5MB. Free memory was 135.8MB in the beginning and 133.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:23:25,567 INFO L158 Benchmark]: Boogie Preprocessor took 35.28ms. Allocated memory is still 182.5MB. Free memory was 133.7MB in the beginning and 132.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:23:25,567 INFO L158 Benchmark]: RCFGBuilder took 595.50ms. Allocated memory is still 182.5MB. Free memory was 132.2MB in the beginning and 106.1MB in the end (delta: 26.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-02 12:23:25,568 INFO L158 Benchmark]: TraceAbstraction took 999.78ms. Allocated memory is still 182.5MB. Free memory was 105.3MB in the beginning and 133.8MB in the end (delta: -28.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:23:25,569 INFO L158 Benchmark]: Witness Printer took 6.05ms. Allocated memory is still 182.5MB. Free memory was 133.8MB in the beginning and 133.2MB in the end (delta: 592.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:23:25,572 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 138.4MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.30ms. Allocated memory is still 182.5MB. Free memory was 149.2MB in the beginning and 135.8MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.39ms. Allocated memory is still 182.5MB. Free memory was 135.8MB in the beginning and 133.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.28ms. Allocated memory is still 182.5MB. Free memory was 133.7MB in the beginning and 132.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 595.50ms. Allocated memory is still 182.5MB. Free memory was 132.2MB in the beginning and 106.1MB in the end (delta: 26.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 999.78ms. Allocated memory is still 182.5MB. Free memory was 105.3MB in the beginning and 133.8MB in the end (delta: -28.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.05ms. Allocated memory is still 182.5MB. Free memory was 133.8MB in the beginning and 133.2MB in the end (delta: 592.2kB). 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 56, overapproximation of bitwiseAnd at line 36. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -16; [L23] signed long int var_1_6 = 10; [L24] unsigned char var_1_8 = 0; [L25] unsigned char var_1_9 = 4; [L26] float var_1_10 = 15.5; [L27] float var_1_11 = 99.125; [L28] signed short int var_1_12 = 2; [L29] signed long int last_1_var_1_1 = -16; [L60] isInitial = 1 [L61] FCALL initially() [L62] COND TRUE 1 [L63] CALL updateLastVariables() [L53] last_1_var_1_1 = var_1_1 [L63] RET updateLastVariables() [L64] CALL updateVariables() [L42] var_1_6 = __VERIFIER_nondet_long() [L43] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0, var_1_9=4] [L20] COND FALSE !(!cond) [L43] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0, var_1_9=4] [L44] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0, var_1_9=4] [L20] COND FALSE !(!cond) [L44] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0, var_1_9=4] [L45] CALL assume_abort_if_not(var_1_6 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0, var_1_9=4] [L20] COND FALSE !(!cond) [L45] RET assume_abort_if_not(var_1_6 != 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0, var_1_9=4] [L46] var_1_9 = __VERIFIER_nondet_uchar() [L47] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0] [L20] COND FALSE !(!cond) [L47] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0] [L48] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0, var_1_9=2] [L49] var_1_11 = __VERIFIER_nondet_float() [L50] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L50] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0, var_1_9=2] [L64] RET updateVariables() [L65] CALL step() [L33] var_1_8 = var_1_9 [L34] var_1_10 = var_1_11 [L35] var_1_12 = var_1_9 [L36] EXPR var_1_8 & (var_1_12 * var_1_8) [L36] signed long int stepLocal_0 = var_1_8 & (var_1_12 * var_1_8); [L37] COND TRUE stepLocal_0 < (last_1_var_1_1 / var_1_6) [L38] var_1_1 = (var_1_8 + 256) [L65] RET step() [L66] CALL, EXPR property() [L56] EXPR var_1_8 & (var_1_12 * var_1_8) [L56-L57] return (((((var_1_8 & (var_1_12 * var_1_8)) < (last_1_var_1_1 / var_1_6)) ? (var_1_1 == ((signed long int) (var_1_8 + 256))) : 1) && (var_1_8 == ((unsigned char) var_1_9))) && (var_1_10 == ((float) var_1_11))) && (var_1_12 == ((signed short int) var_1_9)) ; [L66] RET, EXPR property() [L66] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=2, var_1_11=2, var_1_12=2, var_1_1=258, var_1_6=-8, var_1_8=2, var_1_9=2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=2, var_1_11=2, var_1_12=2, var_1_1=258, var_1_6=-8, var_1_8=2, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 6, 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=18occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 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 12:23:25,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/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_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/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_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/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_00339aa0-5fcc-4daa-9364-e82f2e04e224/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 134b13cd1b8ac1dc8abd325434d56d90d6a754291c767bced87290501af7bb0e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:23:28,149 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:23:28,262 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:23:28,268 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:23:28,269 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:23:28,315 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:23:28,317 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:23:28,317 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:23:28,318 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:23:28,318 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:23:28,319 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:23:28,319 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:23:28,320 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:23:28,321 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:23:28,322 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:23:28,322 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:23:28,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:23:28,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:23:28,325 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:23:28,326 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:23:28,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:23:28,331 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:23:28,331 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:23:28,331 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:23:28,332 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:23:28,332 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:23:28,332 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:23:28,333 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:23:28,333 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:23:28,333 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:23:28,333 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:23:28,334 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:23:28,335 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:23:28,335 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:23:28,336 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:23:28,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:23:28,336 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:23:28,336 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:23:28,336 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:23:28,337 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:23:28,337 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:23:28,339 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:23:28,339 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:23:28,339 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:23:28,340 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_00339aa0-5fcc-4daa-9364-e82f2e04e224/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 134b13cd1b8ac1dc8abd325434d56d90d6a754291c767bced87290501af7bb0e [2024-11-02 12:23:28,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:23:28,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:23:28,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:23:28,834 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:23:28,835 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:23:28,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i Unable to find full path for "g++" [2024-11-02 12:23:31,214 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:23:31,487 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:23:31,487 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i [2024-11-02 12:23:31,494 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/data/ab1185ef2/9feb7a00e52d45a48f1daabbc3ea13f7/FLAGc14d80694 [2024-11-02 12:23:31,776 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/data/ab1185ef2/9feb7a00e52d45a48f1daabbc3ea13f7 [2024-11-02 12:23:31,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:23:31,783 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:23:31,784 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:23:31,785 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:23:31,793 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:23:31,794 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:23:31" (1/1) ... [2024-11-02 12:23:31,796 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22c1284e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:31, skipping insertion in model container [2024-11-02 12:23:31,796 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:23:31" (1/1) ... [2024-11-02 12:23:31,817 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:23:32,011 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_00339aa0-5fcc-4daa-9364-e82f2e04e224/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i[915,928] [2024-11-02 12:23:32,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:23:32,066 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:23:32,081 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_00339aa0-5fcc-4daa-9364-e82f2e04e224/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i[915,928] [2024-11-02 12:23:32,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:23:32,129 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:23:32,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:32 WrapperNode [2024-11-02 12:23:32,130 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:23:32,131 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:23:32,131 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:23:32,131 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:23:32,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:32" (1/1) ... [2024-11-02 12:23:32,156 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:32" (1/1) ... [2024-11-02 12:23:32,179 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 64 [2024-11-02 12:23:32,179 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:23:32,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:23:32,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:23:32,180 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:23:32,191 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:32" (1/1) ... [2024-11-02 12:23:32,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:32" (1/1) ... [2024-11-02 12:23:32,194 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:32" (1/1) ... [2024-11-02 12:23:32,194 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:32" (1/1) ... [2024-11-02 12:23:32,202 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:32" (1/1) ... [2024-11-02 12:23:32,209 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:32" (1/1) ... [2024-11-02 12:23:32,215 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:32" (1/1) ... [2024-11-02 12:23:32,216 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:32" (1/1) ... [2024-11-02 12:23:32,224 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:23:32,225 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:23:32,226 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:23:32,226 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:23:32,231 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:32" (1/1) ... [2024-11-02 12:23:32,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:23:32,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:23:32,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:23:32,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:23:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:23:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:23:32,311 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:23:32,311 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:23:32,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:23:32,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:23:32,439 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:23:32,444 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:23:32,880 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-02 12:23:32,884 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:23:32,904 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:23:32,905 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:23:32,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:32 BoogieIcfgContainer [2024-11-02 12:23:32,905 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:23:32,909 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:23:32,910 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:23:32,914 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:23:32,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:23:31" (1/3) ... [2024-11-02 12:23:32,915 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b55ab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:23:32, skipping insertion in model container [2024-11-02 12:23:32,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:32" (2/3) ... [2024-11-02 12:23:32,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b55ab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:23:32, skipping insertion in model container [2024-11-02 12:23:32,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:32" (3/3) ... [2024-11-02 12:23:32,918 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-21.i [2024-11-02 12:23:32,938 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:23:32,938 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:23:33,011 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:23:33,019 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;@9a632be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:23:33,021 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:23:33,027 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 20 states have (on average 1.3) internal successors, (26), 21 states have internal predecessors, (26), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-02 12:23:33,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-02 12:23:33,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:23:33,039 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 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 12:23:33,040 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:23:33,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:23:33,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1845334235, now seen corresponding path program 1 times [2024-11-02 12:23:33,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:23:33,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1387050533] [2024-11-02 12:23:33,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:23:33,064 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 12:23:33,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:23:33,068 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/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 12:23:33,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/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 12:23:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:23:33,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:23:33,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:23:33,301 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-02 12:23:33,302 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:23:33,303 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:23:33,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1387050533] [2024-11-02 12:23:33,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1387050533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:23:33,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:23:33,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:23:33,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691205705] [2024-11-02 12:23:33,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:23:33,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:23:33,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:23:33,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:23:33,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:23:33,349 INFO L87 Difference]: Start difference. First operand has 29 states, 20 states have (on average 1.3) internal successors, (26), 21 states have internal predecessors, (26), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-02 12:23:33,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:23:33,377 INFO L93 Difference]: Finished difference Result 51 states and 76 transitions. [2024-11-02 12:23:33,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:23:33,380 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2024-11-02 12:23:33,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:23:33,389 INFO L225 Difference]: With dead ends: 51 [2024-11-02 12:23:33,390 INFO L226 Difference]: Without dead ends: 25 [2024-11-02 12:23:33,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 42 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 12:23:33,398 INFO L432 NwaCegarLoop]: 31 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, 31 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 12:23:33,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:23:33,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-02 12:23:33,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-02 12:23:33,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 17 states have internal predecessors, (19), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-02 12:23:33,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2024-11-02 12:23:33,462 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 31 transitions. Word has length 43 [2024-11-02 12:23:33,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:23:33,465 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 31 transitions. [2024-11-02 12:23:33,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-02 12:23:33,466 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-11-02 12:23:33,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-02 12:23:33,470 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:23:33,471 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 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 12:23:33,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/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 12:23:33,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/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 12:23:33,675 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:23:33,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:23:33,676 INFO L85 PathProgramCache]: Analyzing trace with hash 797153179, now seen corresponding path program 1 times [2024-11-02 12:23:33,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:23:33,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [947195683] [2024-11-02 12:23:33,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:23:33,680 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 12:23:33,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:23:33,683 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/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 12:23:33,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/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 12:23:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:23:33,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-02 12:23:33,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:23:34,997 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-02 12:23:34,997 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:23:34,997 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:23:34,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [947195683] [2024-11-02 12:23:34,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [947195683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:23:34,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:23:34,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-02 12:23:34,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038385439] [2024-11-02 12:23:34,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:23:35,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-02 12:23:35,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:23:35,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-02 12:23:35,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-02 12:23:35,007 INFO L87 Difference]: Start difference. First operand 25 states and 31 transitions. Second operand has 10 states, 10 states have (on average 1.9) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-02 12:23:36,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:23:36,866 INFO L93 Difference]: Finished difference Result 61 states and 70 transitions. [2024-11-02 12:23:36,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-02 12:23:36,867 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 43 [2024-11-02 12:23:36,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:23:36,869 INFO L225 Difference]: With dead ends: 61 [2024-11-02 12:23:36,869 INFO L226 Difference]: Without dead ends: 59 [2024-11-02 12:23:36,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=156, Invalid=396, Unknown=0, NotChecked=0, Total=552 [2024-11-02 12:23:36,871 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 71 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-02 12:23:36,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 109 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-02 12:23:36,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-02 12:23:36,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 41. [2024-11-02 12:23:36,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 28 states have (on average 1.0714285714285714) internal successors, (30), 29 states have internal predecessors, (30), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-02 12:23:36,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2024-11-02 12:23:36,888 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 48 transitions. Word has length 43 [2024-11-02 12:23:36,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:23:36,889 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 48 transitions. [2024-11-02 12:23:36,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-02 12:23:36,890 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2024-11-02 12:23:36,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-02 12:23:36,891 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:23:36,893 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 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 12:23:36,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-02 12:23:37,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/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 12:23:37,094 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:23:37,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:23:37,095 INFO L85 PathProgramCache]: Analyzing trace with hash 799000221, now seen corresponding path program 1 times [2024-11-02 12:23:37,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:23:37,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [89197784] [2024-11-02 12:23:37,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:23:37,097 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 12:23:37,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:23:37,100 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/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 12:23:37,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-02 12:23:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:23:37,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-02 12:23:37,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:23:40,657 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 42 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-02 12:23:40,658 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:23:45,662 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-02 12:23:45,663 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:23:45,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [89197784] [2024-11-02 12:23:45,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [89197784] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-02 12:23:45,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-02 12:23:45,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13] total 21 [2024-11-02 12:23:45,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295360138] [2024-11-02 12:23:45,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:23:45,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-02 12:23:45,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:23:45,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-02 12:23:45,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2024-11-02 12:23:45,670 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. Second operand has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-02 12:23:49,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:23:49,549 INFO L93 Difference]: Finished difference Result 48 states and 55 transitions. [2024-11-02 12:23:49,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-02 12:23:49,555 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 43 [2024-11-02 12:23:49,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:23:49,556 INFO L225 Difference]: With dead ends: 48 [2024-11-02 12:23:49,557 INFO L226 Difference]: Without dead ends: 0 [2024-11-02 12:23:49,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2024-11-02 12:23:49,559 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 17 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-02 12:23:49,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 69 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-02 12:23:49,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-02 12:23:49,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-02 12:23:49,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:23:49,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-02 12:23:49,562 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2024-11-02 12:23:49,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:23:49,563 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-02 12:23:49,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-02 12:23:49,563 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-02 12:23:49,564 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-02 12:23:49,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:23:49,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-02 12:23:49,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/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 12:23:49,776 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-02 12:23:49,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-02 12:23:53,920 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:23:53,938 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-02 12:23:53,939 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-02 12:23:53,939 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-02 12:23:53,939 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-02 12:23:53,940 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-02 12:23:53,940 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-02 12:23:53,945 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-02 12:23:53,946 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-02 12:23:53,947 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-02 12:23:53,947 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-02 12:23:53,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:23:53 BoogieIcfgContainer [2024-11-02 12:23:53,956 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:23:53,957 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:23:53,957 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:23:53,957 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:23:53,957 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:32" (3/4) ... [2024-11-02 12:23:53,964 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-02 12:23:53,976 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-02 12:23:53,981 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-02 12:23:53,982 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-02 12:23:53,983 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-02 12:23:53,983 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-02 12:23:54,094 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/witness.graphml [2024-11-02 12:23:54,094 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/witness.yml [2024-11-02 12:23:54,095 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:23:54,095 INFO L158 Benchmark]: Toolchain (without parser) took 22314.59ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 80.7MB in the beginning and 56.5MB in the end (delta: 24.1MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2024-11-02 12:23:54,096 INFO L158 Benchmark]: CDTParser took 2.24ms. Allocated memory is still 69.2MB. Free memory is still 44.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:23:54,096 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.64ms. Allocated memory is still 104.9MB. Free memory was 80.4MB in the beginning and 67.0MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-02 12:23:54,097 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.56ms. Allocated memory is still 104.9MB. Free memory was 66.8MB in the beginning and 65.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:23:54,097 INFO L158 Benchmark]: Boogie Preprocessor took 44.69ms. Allocated memory is still 104.9MB. Free memory was 65.2MB in the beginning and 63.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:23:54,098 INFO L158 Benchmark]: RCFGBuilder took 680.17ms. Allocated memory is still 104.9MB. Free memory was 63.6MB in the beginning and 76.8MB in the end (delta: -13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-02 12:23:54,098 INFO L158 Benchmark]: TraceAbstraction took 21046.41ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 75.8MB in the beginning and 61.8MB in the end (delta: 14.1MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. [2024-11-02 12:23:54,099 INFO L158 Benchmark]: Witness Printer took 138.14ms. Allocated memory is still 125.8MB. Free memory was 61.8MB in the beginning and 56.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-02 12:23:54,101 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.24ms. Allocated memory is still 69.2MB. Free memory is still 44.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.64ms. Allocated memory is still 104.9MB. Free memory was 80.4MB in the beginning and 67.0MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.56ms. Allocated memory is still 104.9MB. Free memory was 66.8MB in the beginning and 65.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.69ms. Allocated memory is still 104.9MB. Free memory was 65.2MB in the beginning and 63.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 680.17ms. Allocated memory is still 104.9MB. Free memory was 63.6MB in the beginning and 76.8MB in the end (delta: -13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 21046.41ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 75.8MB in the beginning and 61.8MB in the end (delta: 14.1MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. * Witness Printer took 138.14ms. Allocated memory is still 125.8MB. Free memory was 61.8MB in the beginning and 56.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.8s, OverallIterations: 3, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 89 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 88 mSDsluCounter, 209 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 134 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 250 IncrementalHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 75 mSDtfsCounter, 250 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 8.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=2, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 18 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 9.6s InterpolantComputationTime, 129 NumberOfCodeBlocks, 129 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 168 ConstructedInterpolants, 4 QuantifiedInterpolants, 1228 SizeOfPredicates, 20 NumberOfNonLiveVariables, 245 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 234/240 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: null - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((0 != cond) && (((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_6 == \old(var_1_6))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_12 == \old(var_1_12))) && (last_1_var_1_1 == \old(last_1_var_1_1)))) RESULT: Ultimate proved your program to be correct! [2024-11-02 12:23:54,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00339aa0-5fcc-4daa-9364-e82f2e04e224/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0