./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh --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 8031214ed9c619943b4a735ea98fb6c6f1f9f3536470f440c97b936292613cf6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:00:45,063 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:00:45,127 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 16:00:45,132 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:00:45,132 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:00:45,156 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:00:45,157 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:00:45,158 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:00:45,158 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:00:45,159 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:00:45,159 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:00:45,160 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:00:45,160 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:00:45,161 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 16:00:45,161 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:00:45,162 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:00:45,162 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 16:00:45,163 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 16:00:45,163 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:00:45,164 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 16:00:45,164 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 16:00:45,165 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 16:00:45,166 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:00:45,166 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:00:45,167 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:00:45,167 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 16:00:45,168 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:00:45,168 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:00:45,168 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:00:45,169 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:00:45,169 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:00:45,170 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:00:45,170 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:00:45,170 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:00:45,171 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:00:45,178 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:00:45,178 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:00:45,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:00:45,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:00:45,179 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:00:45,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:00:45,179 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 16:00:45,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 16:00:45,180 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:00:45,180 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:00:45,180 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:00:45,180 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:00:45,181 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_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8031214ed9c619943b4a735ea98fb6c6f1f9f3536470f440c97b936292613cf6 [2023-12-02 16:00:45,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:00:45,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:00:45,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:00:45,413 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:00:45,413 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:00:45,414 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.i [2023-12-02 16:00:48,116 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:00:48,277 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:00:48,278 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.i [2023-12-02 16:00:48,284 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/data/2c021fac7/e4479627c0474e9ead53d0087a2ae388/FLAGb3e64710a [2023-12-02 16:00:48,295 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/data/2c021fac7/e4479627c0474e9ead53d0087a2ae388 [2023-12-02 16:00:48,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:00:48,298 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:00:48,299 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:00:48,300 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:00:48,304 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:00:48,304 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:00:48" (1/1) ... [2023-12-02 16:00:48,305 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a383427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:00:48, skipping insertion in model container [2023-12-02 16:00:48,306 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:00:48" (1/1) ... [2023-12-02 16:00:48,327 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:00:48,453 WARN L240 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_e7963c81-eaf9-4f3c-9025-962dde09db60/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.i[915,928] [2023-12-02 16:00:48,476 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:00:48,488 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:00:48,501 WARN L240 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_e7963c81-eaf9-4f3c-9025-962dde09db60/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.i[915,928] [2023-12-02 16:00:48,511 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:00:48,525 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:00:48,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:00:48 WrapperNode [2023-12-02 16:00:48,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:00:48,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:00:48,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:00:48,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:00:48,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:00:48" (1/1) ... [2023-12-02 16:00:48,539 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:00:48" (1/1) ... [2023-12-02 16:00:48,555 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 80 [2023-12-02 16:00:48,555 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:00:48,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:00:48,556 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:00:48,556 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:00:48,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:00:48" (1/1) ... [2023-12-02 16:00:48,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:00:48" (1/1) ... [2023-12-02 16:00:48,564 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:00:48" (1/1) ... [2023-12-02 16:00:48,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:00:48" (1/1) ... [2023-12-02 16:00:48,568 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:00:48" (1/1) ... [2023-12-02 16:00:48,570 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:00:48" (1/1) ... [2023-12-02 16:00:48,571 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:00:48" (1/1) ... [2023-12-02 16:00:48,572 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:00:48" (1/1) ... [2023-12-02 16:00:48,574 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:00:48,575 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:00:48,575 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:00:48,575 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:00:48,576 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:00:48" (1/1) ... [2023-12-02 16:00:48,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:00:48,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:00:48,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:00:48,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:00:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:00:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 16:00:48,639 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 16:00:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 16:00:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:00:48,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:00:48,697 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:00:48,699 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:00:48,820 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:00:48,879 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:00:48,879 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 16:00:48,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:00:48 BoogieIcfgContainer [2023-12-02 16:00:48,881 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:00:48,883 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:00:48,884 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:00:48,887 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:00:48,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:00:48" (1/3) ... [2023-12-02 16:00:48,888 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f101255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:00:48, skipping insertion in model container [2023-12-02 16:00:48,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:00:48" (2/3) ... [2023-12-02 16:00:48,888 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f101255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:00:48, skipping insertion in model container [2023-12-02 16:00:48,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:00:48" (3/3) ... [2023-12-02 16:00:48,890 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-53.i [2023-12-02 16:00:48,910 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:00:48,910 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 16:00:48,950 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:00:48,955 INFO L357 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, mHoare=true, 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;@52b476e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:00:48,956 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 16:00:48,959 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-02 16:00:48,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 16:00:48,966 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:00:48,967 INFO L195 NwaCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:00:48,968 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:00:48,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:00:48,972 INFO L85 PathProgramCache]: Analyzing trace with hash -853624856, now seen corresponding path program 1 times [2023-12-02 16:00:48,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:00:48,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100226293] [2023-12-02 16:00:48,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:00:48,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:00:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:00:49,145 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 16:00:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:00:49,236 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 16:00:49,237 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 16:00:49,238 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 16:00:49,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 16:00:49,244 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 16:00:49,248 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 16:00:49,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:00:49 BoogieIcfgContainer [2023-12-02 16:00:49,297 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 16:00:49,297 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 16:00:49,298 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 16:00:49,298 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 16:00:49,298 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:00:48" (3/4) ... [2023-12-02 16:00:49,300 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 16:00:49,301 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 16:00:49,302 INFO L158 Benchmark]: Toolchain (without parser) took 1003.91ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 112.5MB in the end (delta: -5.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:00:49,303 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 142.6MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:00:49,303 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.41ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 95.6MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 16:00:49,304 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.80ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 93.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:00:49,305 INFO L158 Benchmark]: Boogie Preprocessor took 18.38ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 92.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:00:49,305 INFO L158 Benchmark]: RCFGBuilder took 306.11ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 78.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 16:00:49,306 INFO L158 Benchmark]: TraceAbstraction took 413.40ms. Allocated memory is still 142.6MB. Free memory was 77.2MB in the beginning and 113.2MB in the end (delta: -36.0MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2023-12-02 16:00:49,306 INFO L158 Benchmark]: Witness Printer took 4.16ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 112.5MB in the end (delta: 691.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:00:49,310 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 142.6MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.41ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 95.6MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.80ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 93.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.38ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 92.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 306.11ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 78.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 413.40ms. Allocated memory is still 142.6MB. Free memory was 77.2MB in the beginning and 113.2MB in the end (delta: -36.0MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * Witness Printer took 4.16ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 112.5MB in the end (delta: 691.2kB). Peak memory consumption was 2.1MB. 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 33. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 8; [L23] float var_1_2 = 1.25; [L24] float var_1_3 = 1.375; [L25] float var_1_4 = 1.6; [L26] float var_1_5 = 256.25; [L27] float var_1_6 = 1.9; [L28] signed long int var_1_7 = -32; [L29] signed long int var_1_8 = -10000000; [L68] isInitial = 1 [L69] FCALL initially() [L70] COND TRUE 1 [L71] FCALL updateLastVariables() [L72] CALL updateVariables() [L42] var_1_2 = __VERIFIER_nondet_float() [L43] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_3=11/8, var_1_4=8/5, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L20] COND FALSE !(!cond) [L43] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=8, var_1_3=11/8, var_1_4=8/5, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L44] var_1_3 = __VERIFIER_nondet_float() [L45] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_4=8/5, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L20] COND FALSE !(!cond) [L45] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=8, var_1_4=8/5, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L46] CALL assume_abort_if_not(var_1_3 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_4=8/5, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L20] COND FALSE !(!cond) [L46] RET assume_abort_if_not(var_1_3 != 0.0F) VAL [isInitial=1, var_1_1=8, var_1_4=8/5, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L47] var_1_4 = __VERIFIER_nondet_float() [L48] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=8, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L49] CALL assume_abort_if_not(var_1_4 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L20] COND FALSE !(!cond) [L49] RET assume_abort_if_not(var_1_4 != 0.0F) VAL [isInitial=1, var_1_1=8, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L50] var_1_5 = __VERIFIER_nondet_float() [L51] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L20] COND FALSE !(!cond) [L51] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=8, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L52] var_1_6 = __VERIFIER_nondet_float() [L53] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_7=-32, var_1_8=-10000000] [L20] COND FALSE !(!cond) [L53] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=8, var_1_7=-32, var_1_8=-10000000] [L54] var_1_7 = __VERIFIER_nondet_long() [L55] CALL assume_abort_if_not(var_1_7 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_7=-1073741815, var_1_8=-10000000] [L20] COND FALSE !(!cond) [L55] RET assume_abort_if_not(var_1_7 >= -1073741823) VAL [isInitial=1, var_1_1=8, var_1_7=-1073741815, var_1_8=-10000000] [L56] CALL assume_abort_if_not(var_1_7 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_7=-1073741815, var_1_8=-10000000] [L20] COND FALSE !(!cond) [L56] RET assume_abort_if_not(var_1_7 <= 1073741823) VAL [isInitial=1, var_1_1=8, var_1_7=-1073741815, var_1_8=-10000000] [L57] var_1_8 = __VERIFIER_nondet_long() [L58] CALL assume_abort_if_not(var_1_8 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_7=-1073741815, var_1_8=1073741823] [L20] COND FALSE !(!cond) [L58] RET assume_abort_if_not(var_1_8 >= -1073741823) VAL [isInitial=1, var_1_1=8, var_1_7=-1073741815, var_1_8=1073741823] [L59] CALL assume_abort_if_not(var_1_8 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_7=-1073741815, var_1_8=1073741823] [L20] COND FALSE !(!cond) [L59] RET assume_abort_if_not(var_1_8 <= 1073741823) VAL [isInitial=1, var_1_1=8, var_1_7=-1073741815, var_1_8=1073741823] [L72] RET updateVariables() [L73] CALL step() [L33] COND FALSE !((var_1_2 / ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) > (var_1_5 * var_1_6)) [L73] RET step() [L74] CALL, EXPR property() [L64-L65] return ((var_1_2 / ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) > (var_1_5 * var_1_6)) ? ((var_1_3 == var_1_6) ? (var_1_1 == ((signed long int) (var_1_7 + var_1_8))) : (var_1_1 == ((signed long int) var_1_8))) : 1 ; [L74] RET, EXPR property() [L74] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=8, var_1_7=-1073741815, var_1_8=1073741823] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=8, var_1_7=-1073741815, var_1_8=1073741823] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 11, 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=27occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 16:00:49,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh --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 8031214ed9c619943b4a735ea98fb6c6f1f9f3536470f440c97b936292613cf6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:00:51,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:00:51,310 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 16:00:51,315 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:00:51,315 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:00:51,341 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:00:51,341 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:00:51,342 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:00:51,343 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:00:51,343 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:00:51,344 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:00:51,345 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:00:51,345 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:00:51,346 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:00:51,347 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:00:51,347 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:00:51,348 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:00:51,349 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:00:51,349 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:00:51,350 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:00:51,350 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:00:51,351 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:00:51,351 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:00:51,352 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:00:51,352 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 16:00:51,353 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 16:00:51,353 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 16:00:51,353 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:00:51,353 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:00:51,354 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:00:51,354 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:00:51,355 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 16:00:51,355 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:00:51,355 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:00:51,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:00:51,356 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:00:51,356 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:00:51,356 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:00:51,356 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 16:00:51,356 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 16:00:51,357 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:00:51,357 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:00:51,357 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:00:51,357 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:00:51,358 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_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8031214ed9c619943b4a735ea98fb6c6f1f9f3536470f440c97b936292613cf6 [2023-12-02 16:00:51,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:00:51,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:00:51,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:00:51,701 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:00:51,702 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:00:51,703 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.i [2023-12-02 16:00:54,423 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:00:54,615 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:00:54,615 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.i [2023-12-02 16:00:54,622 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/data/b98820235/dcdbe040b9bd4a82a2bce02fdcd01e45/FLAGf90153a77 [2023-12-02 16:00:54,633 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/data/b98820235/dcdbe040b9bd4a82a2bce02fdcd01e45 [2023-12-02 16:00:54,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:00:54,637 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:00:54,638 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:00:54,638 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:00:54,643 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:00:54,644 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:00:54" (1/1) ... [2023-12-02 16:00:54,645 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@577d804a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:00:54, skipping insertion in model container [2023-12-02 16:00:54,645 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:00:54" (1/1) ... [2023-12-02 16:00:54,671 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:00:54,818 WARN L240 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_e7963c81-eaf9-4f3c-9025-962dde09db60/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.i[915,928] [2023-12-02 16:00:54,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:00:54,861 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:00:54,874 WARN L240 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_e7963c81-eaf9-4f3c-9025-962dde09db60/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.i[915,928] [2023-12-02 16:00:54,887 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:00:54,905 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:00:54,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:00:54 WrapperNode [2023-12-02 16:00:54,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:00:54,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:00:54,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:00:54,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:00:54,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:00:54" (1/1) ... [2023-12-02 16:00:54,926 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:00:54" (1/1) ... [2023-12-02 16:00:54,948 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 78 [2023-12-02 16:00:54,949 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:00:54,949 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:00:54,950 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:00:54,950 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:00:54,959 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:00:54" (1/1) ... [2023-12-02 16:00:54,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:00:54" (1/1) ... [2023-12-02 16:00:54,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:00:54" (1/1) ... [2023-12-02 16:00:54,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:00:54" (1/1) ... [2023-12-02 16:00:54,971 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:00:54" (1/1) ... [2023-12-02 16:00:54,974 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:00:54" (1/1) ... [2023-12-02 16:00:54,977 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:00:54" (1/1) ... [2023-12-02 16:00:54,978 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:00:54" (1/1) ... [2023-12-02 16:00:54,982 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:00:54,983 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:00:54,983 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:00:54,983 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:00:54,984 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:00:54" (1/1) ... [2023-12-02 16:00:54,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:00:55,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:00:55,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:00:55,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:00:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:00:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 16:00:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 16:00:55,071 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 16:00:55,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:00:55,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:00:55,175 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:00:55,177 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:01:01,446 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:01:01,491 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:01:01,491 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 16:01:01,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:01:01 BoogieIcfgContainer [2023-12-02 16:01:01,492 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:01:01,495 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:01:01,495 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:01:01,498 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:01:01,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:00:54" (1/3) ... [2023-12-02 16:01:01,499 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@535c83be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:01:01, skipping insertion in model container [2023-12-02 16:01:01,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:00:54" (2/3) ... [2023-12-02 16:01:01,500 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@535c83be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:01:01, skipping insertion in model container [2023-12-02 16:01:01,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:01:01" (3/3) ... [2023-12-02 16:01:01,501 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-53.i [2023-12-02 16:01:01,515 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:01:01,515 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 16:01:01,555 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:01:01,561 INFO L357 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, mHoare=true, 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;@42508f52, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:01:01,561 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 16:01:01,565 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 19 states have (on average 1.368421052631579) internal successors, (26), 20 states have internal predecessors, (26), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-02 16:01:01,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 16:01:01,574 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:01:01,575 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:01:01,576 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:01:01,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:01:01,581 INFO L85 PathProgramCache]: Analyzing trace with hash 285952230, now seen corresponding path program 1 times [2023-12-02 16:01:01,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:01:01,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [948381304] [2023-12-02 16:01:01,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:01:01,592 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 [2023-12-02 16:01:01,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:01:01,595 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 16:01:01,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:01:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:01:01,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 16:01:02,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:01:02,040 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2023-12-02 16:01:02,040 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:01:02,041 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:01:02,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [948381304] [2023-12-02 16:01:02,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [948381304] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:01:02,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:01:02,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 16:01:02,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740065792] [2023-12-02 16:01:02,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:01:02,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 16:01:02,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:01:02,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 16:01:02,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 16:01:02,084 INFO L87 Difference]: Start difference. First operand has 33 states, 19 states have (on average 1.368421052631579) internal successors, (26), 20 states have internal predecessors, (26), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-02 16:01:03,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:01:03,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:01:03,490 INFO L93 Difference]: Finished difference Result 63 states and 105 transitions. [2023-12-02 16:01:03,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 16:01:03,530 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 68 [2023-12-02 16:01:03,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:01:03,542 INFO L225 Difference]: With dead ends: 63 [2023-12-02 16:01:03,542 INFO L226 Difference]: Without dead ends: 31 [2023-12-02 16:01:03,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 16:01:03,546 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-02 16:01:03,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-02 16:01:03,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2023-12-02 16:01:03,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2023-12-02 16:01:03,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-02 16:01:03,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2023-12-02 16:01:03,580 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 68 [2023-12-02 16:01:03,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:01:03,580 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2023-12-02 16:01:03,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-02 16:01:03,581 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2023-12-02 16:01:03,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 16:01:03,584 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:01:03,584 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:01:03,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/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)] Forceful destruction successful, exit code 0 [2023-12-02 16:01:03,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:01:03,789 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:01:03,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:01:03,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1708370080, now seen corresponding path program 1 times [2023-12-02 16:01:03,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:01:03,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [331429155] [2023-12-02 16:01:03,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:01:03,791 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 [2023-12-02 16:01:03,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:01:03,793 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 16:01:03,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:01:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:01:04,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 16:01:04,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:01:23,074 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.mul c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (.cse1 (fp.lt c_~var_1_3~0 c_~var_1_4~0))) (and (or (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_4~0) .cse0)) .cse1) (or (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) .cse0)) (not .cse1)))) is different from false [2023-12-02 16:01:25,143 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.mul c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (.cse1 (fp.lt c_~var_1_3~0 c_~var_1_4~0))) (and (or (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_4~0) .cse0)) .cse1) (or (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) .cse0)) (not .cse1)))) is different from true [2023-12-02 16:02:13,133 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-02 16:02:13,133 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:02:13,133 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:02:13,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [331429155] [2023-12-02 16:02:13,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [331429155] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:02:13,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:02:13,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 16:02:13,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100362090] [2023-12-02 16:02:13,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:02:13,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:02:13,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:02:13,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:02:13,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=3, Unknown=2, NotChecked=2, Total=12 [2023-12-02 16:02:13,136 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 16:02:15,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:02:16,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:02:16,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:02:16,457 INFO L93 Difference]: Finished difference Result 36 states and 48 transitions. [2023-12-02 16:02:16,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:02:16,457 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 68 [2023-12-02 16:02:16,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:02:16,459 INFO L225 Difference]: With dead ends: 36 [2023-12-02 16:02:16,459 INFO L226 Difference]: Without dead ends: 34 [2023-12-02 16:02:16,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=5, Invalid=3, Unknown=2, NotChecked=2, Total=12 [2023-12-02 16:02:16,461 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 1 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 46 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-12-02 16:02:16,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 76 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 1 Unknown, 46 Unchecked, 3.3s Time] [2023-12-02 16:02:16,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-12-02 16:02:16,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2023-12-02 16:02:16,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 20 states have (on average 1.15) internal successors, (23), 20 states have internal predecessors, (23), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-02 16:02:16,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2023-12-02 16:02:16,471 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 68 [2023-12-02 16:02:16,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:02:16,473 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2023-12-02 16:02:16,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 16:02:16,473 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2023-12-02 16:02:16,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 16:02:16,475 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:02:16,475 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:02:16,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:02:16,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:02:16,676 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:02:16,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:02:16,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1410677760, now seen corresponding path program 1 times [2023-12-02 16:02:16,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:02:16,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [512816132] [2023-12-02 16:02:16,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:02:16,678 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 [2023-12-02 16:02:16,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:02:16,679 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 16:02:16,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:02:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:02:17,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 16:02:17,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:02:35,402 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.mul c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (.cse1 (fp.lt c_~var_1_3~0 c_~var_1_4~0))) (or (and (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_4~0) .cse0) (not .cse1)) (and (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) .cse0) .cse1))) is different from false [2023-12-02 16:02:37,472 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.mul c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (.cse1 (fp.lt c_~var_1_3~0 c_~var_1_4~0))) (or (and (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_4~0) .cse0) (not .cse1)) (and (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) .cse0) .cse1))) is different from true [2023-12-02 16:03:04,993 WARN L854 $PredicateComparison]: unable to prove that (and (fp.eq c_~var_1_3~0 c_~var_1_6~0) (= c_~var_1_1~0 (bvadd c_~var_1_7~0 c_~var_1_8~0)) (let ((.cse0 (fp.mul c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (.cse1 (fp.lt c_~var_1_3~0 c_~var_1_4~0))) (or (and (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_4~0) .cse0) (not .cse1)) (and (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) .cse0) .cse1)))) is different from false [2023-12-02 16:03:07,067 WARN L876 $PredicateComparison]: unable to prove that (and (fp.eq c_~var_1_3~0 c_~var_1_6~0) (= c_~var_1_1~0 (bvadd c_~var_1_7~0 c_~var_1_8~0)) (let ((.cse0 (fp.mul c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (.cse1 (fp.lt c_~var_1_3~0 c_~var_1_4~0))) (or (and (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_4~0) .cse0) (not .cse1)) (and (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) .cse0) .cse1)))) is different from true [2023-12-02 16:04:17,630 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)))) (or (and (exists ((~var_1_5~0 (_ FloatingPoint 8 24)) (~var_1_4~0 (_ FloatingPoint 8 24)) (~var_1_3~0 (_ FloatingPoint 8 24)) (~var_1_2~0 (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode) (~var_1_6~0 (_ FloatingPoint 8 24))) (and (not (fp.lt ~var_1_3~0 ~var_1_4~0)) (fp.gt (fp.div currentRoundingMode ~var_1_2~0 ~var_1_4~0) (fp.mul currentRoundingMode ~var_1_5~0 ~var_1_6~0)) (fp.eq ~var_1_3~0 ~var_1_6~0))) .cse0) (and .cse0 (exists ((~var_1_5~0 (_ FloatingPoint 8 24)) (~var_1_4~0 (_ FloatingPoint 8 24)) (~var_1_3~0 (_ FloatingPoint 8 24)) (~var_1_2~0 (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode) (~var_1_6~0 (_ FloatingPoint 8 24))) (and (fp.lt ~var_1_3~0 ~var_1_4~0) (fp.gt (fp.div currentRoundingMode ~var_1_2~0 ~var_1_3~0) (fp.mul currentRoundingMode ~var_1_5~0 ~var_1_6~0)) (fp.eq ~var_1_3~0 ~var_1_6~0)))))) is different from false [2023-12-02 16:04:17,637 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-02 16:04:17,637 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:04:17,637 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:04:17,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [512816132] [2023-12-02 16:04:17,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [512816132] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:04:17,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:04:17,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 16:04:17,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564418225] [2023-12-02 16:04:17,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:04:17,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 16:04:17,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:04:17,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 16:04:17,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=2, Unknown=5, NotChecked=6, Total=20 [2023-12-02 16:04:17,640 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 16:04:19,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:04:19,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:04:19,809 INFO L93 Difference]: Finished difference Result 37 states and 49 transitions. [2023-12-02 16:04:19,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 16:04:19,849 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 69 [2023-12-02 16:04:19,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:04:19,851 INFO L225 Difference]: With dead ends: 37 [2023-12-02 16:04:19,851 INFO L226 Difference]: Without dead ends: 35 [2023-12-02 16:04:19,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=7, Invalid=2, Unknown=5, NotChecked=6, Total=20 [2023-12-02 16:04:19,853 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 101 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 16:04:19,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 101 Unchecked, 2.2s Time] [2023-12-02 16:04:19,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2023-12-02 16:04:19,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2023-12-02 16:04:19,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 20 states have (on average 1.15) internal successors, (23), 20 states have internal predecessors, (23), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-02 16:04:19,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2023-12-02 16:04:19,861 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 69 [2023-12-02 16:04:19,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:04:19,862 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2023-12-02 16:04:19,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 16:04:19,862 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2023-12-02 16:04:19,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 16:04:19,864 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:04:19,864 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:04:19,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/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)] Forceful destruction successful, exit code 0 [2023-12-02 16:04:20,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:04:20,065 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:04:20,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:04:20,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1410737342, now seen corresponding path program 1 times [2023-12-02 16:04:20,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:04:20,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1308958817] [2023-12-02 16:04:20,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:04:20,066 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 [2023-12-02 16:04:20,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:04:20,067 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 16:04:20,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-02 16:04:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:04:20,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 16:04:20,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:04:38,471 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.mul c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (.cse1 (fp.lt c_~var_1_3~0 c_~var_1_4~0))) (or (and (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_4~0) .cse0) (not .cse1)) (and (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) .cse0) .cse1))) is different from false [2023-12-02 16:04:40,542 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.mul c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (.cse1 (fp.lt c_~var_1_3~0 c_~var_1_4~0))) (or (and (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_4~0) .cse0) (not .cse1)) (and (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) .cse0) .cse1))) is different from true [2023-12-02 16:05:08,054 WARN L854 $PredicateComparison]: unable to prove that (and (not (fp.eq c_~var_1_3~0 c_~var_1_6~0)) (let ((.cse0 (fp.mul c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (.cse1 (fp.lt c_~var_1_3~0 c_~var_1_4~0))) (or (and (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_4~0) .cse0) (not .cse1)) (and (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) .cse0) .cse1))) (= c_~var_1_1~0 c_~var_1_8~0)) is different from false [2023-12-02 16:05:10,128 WARN L876 $PredicateComparison]: unable to prove that (and (not (fp.eq c_~var_1_3~0 c_~var_1_6~0)) (let ((.cse0 (fp.mul c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (.cse1 (fp.lt c_~var_1_3~0 c_~var_1_4~0))) (or (and (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_4~0) .cse0) (not .cse1)) (and (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) .cse0) .cse1))) (= c_~var_1_1~0 c_~var_1_8~0)) is different from true [2023-12-02 16:05:54,192 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-02 16:05:54,193 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:05:54,193 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:05:54,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1308958817] [2023-12-02 16:05:54,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1308958817] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:05:54,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:05:54,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 16:05:54,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735768469] [2023-12-02 16:05:54,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:05:54,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 16:05:54,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:05:54,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 16:05:54,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=3, Unknown=4, NotChecked=6, Total=20 [2023-12-02 16:05:54,196 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 16:05:56,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:05:58,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:05:58,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:05:58,409 INFO L93 Difference]: Finished difference Result 34 states and 46 transitions. [2023-12-02 16:05:58,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 16:05:58,410 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 69 [2023-12-02 16:05:58,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:05:58,411 INFO L225 Difference]: With dead ends: 34 [2023-12-02 16:05:58,411 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 16:05:58,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=7, Invalid=3, Unknown=4, NotChecked=6, Total=20 [2023-12-02 16:05:58,413 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 1 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 91 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-12-02 16:05:58,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 71 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 2 Unknown, 91 Unchecked, 4.2s Time] [2023-12-02 16:05:58,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 16:05:58,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 16:05:58,415 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) [2023-12-02 16:05:58,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 16:05:58,415 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2023-12-02 16:05:58,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:05:58,415 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 16:05:58,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 16:05:58,416 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 16:05:58,416 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 16:05:58,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 16:05:58,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-02 16:05:58,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:05:58,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 16:05:58,634 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2023-12-02 16:05:58,635 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-12-02 16:05:58,635 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-12-02 16:05:58,635 INFO L902 garLoopResultBuilder]: At program point L48(line 48) the Hoare annotation is: true [2023-12-02 16:05:58,635 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-12-02 16:05:58,635 INFO L902 garLoopResultBuilder]: At program point L48-1(line 48) the Hoare annotation is: true [2023-12-02 16:05:58,635 INFO L899 garLoopResultBuilder]: For program point L32(lines 32 40) no Hoare annotation was computed. [2023-12-02 16:05:58,635 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-12-02 16:05:58,635 INFO L902 garLoopResultBuilder]: At program point L53(line 53) the Hoare annotation is: true [2023-12-02 16:05:58,636 INFO L899 garLoopResultBuilder]: For program point L53-1(line 53) no Hoare annotation was computed. [2023-12-02 16:05:58,636 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2023-12-02 16:05:58,636 INFO L902 garLoopResultBuilder]: At program point L45(line 45) the Hoare annotation is: true [2023-12-02 16:05:58,636 INFO L902 garLoopResultBuilder]: At program point L45-1(line 45) the Hoare annotation is: true [2023-12-02 16:05:58,636 INFO L902 garLoopResultBuilder]: At program point L70-2(lines 70 76) the Hoare annotation is: true [2023-12-02 16:05:58,636 INFO L899 garLoopResultBuilder]: For program point L70-3(lines 70 76) no Hoare annotation was computed. [2023-12-02 16:05:58,636 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 39) no Hoare annotation was computed. [2023-12-02 16:05:58,636 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 16:05:58,636 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2023-12-02 16:05:58,637 INFO L902 garLoopResultBuilder]: At program point L58-1(line 58) the Hoare annotation is: true [2023-12-02 16:05:58,637 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2023-12-02 16:05:58,637 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 16:05:58,637 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 38) no Hoare annotation was computed. [2023-12-02 16:05:58,637 INFO L899 garLoopResultBuilder]: For program point L59(lines 41 60) no Hoare annotation was computed. [2023-12-02 16:05:58,637 INFO L902 garLoopResultBuilder]: At program point L55(line 55) the Hoare annotation is: true [2023-12-02 16:05:58,637 INFO L902 garLoopResultBuilder]: At program point L55-1(line 55) the Hoare annotation is: true [2023-12-02 16:05:58,637 INFO L902 garLoopResultBuilder]: At program point L51(line 51) the Hoare annotation is: true [2023-12-02 16:05:58,638 INFO L899 garLoopResultBuilder]: For program point L51-1(line 51) no Hoare annotation was computed. [2023-12-02 16:05:58,638 INFO L902 garLoopResultBuilder]: At program point L43(line 43) the Hoare annotation is: true [2023-12-02 16:05:58,638 INFO L899 garLoopResultBuilder]: For program point L43-1(line 43) no Hoare annotation was computed. [2023-12-02 16:05:58,638 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-12-02 16:05:58,638 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-12-02 16:05:58,638 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-12-02 16:05:58,638 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-12-02 16:05:58,642 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-02 16:05:58,644 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 16:05:58,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:05:58 BoogieIcfgContainer [2023-12-02 16:05:58,651 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 16:05:58,651 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 16:05:58,651 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 16:05:58,652 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 16:05:58,652 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:01:01" (3/4) ... [2023-12-02 16:05:58,653 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 16:05:58,656 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-02 16:05:58,661 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-12-02 16:05:58,661 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-12-02 16:05:58,662 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 16:05:58,662 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 16:05:58,743 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 16:05:58,743 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 16:05:58,744 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 16:05:58,744 INFO L158 Benchmark]: Toolchain (without parser) took 304107.44ms. Allocated memory is still 83.9MB. Free memory was 59.9MB in the beginning and 48.4MB in the end (delta: 11.5MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2023-12-02 16:05:58,745 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:05:58,745 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.17ms. Allocated memory is still 83.9MB. Free memory was 59.7MB in the beginning and 47.8MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 16:05:58,746 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.80ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 46.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:05:58,746 INFO L158 Benchmark]: Boogie Preprocessor took 32.82ms. Allocated memory is still 83.9MB. Free memory was 45.9MB in the beginning and 44.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:05:58,747 INFO L158 Benchmark]: RCFGBuilder took 6508.91ms. Allocated memory is still 83.9MB. Free memory was 44.3MB in the beginning and 50.2MB in the end (delta: -5.9MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2023-12-02 16:05:58,747 INFO L158 Benchmark]: TraceAbstraction took 297156.23ms. Allocated memory is still 83.9MB. Free memory was 49.4MB in the beginning and 54.0MB in the end (delta: -4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:05:58,747 INFO L158 Benchmark]: Witness Printer took 92.33ms. Allocated memory is still 83.9MB. Free memory was 53.2MB in the beginning and 48.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 16:05:58,749 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.17ms. Allocated memory is still 83.9MB. Free memory was 59.7MB in the beginning and 47.8MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.80ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 46.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.82ms. Allocated memory is still 83.9MB. Free memory was 45.9MB in the beginning and 44.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 6508.91ms. Allocated memory is still 83.9MB. Free memory was 44.3MB in the beginning and 50.2MB in the end (delta: -5.9MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * TraceAbstraction took 297156.23ms. Allocated memory is still 83.9MB. Free memory was 49.4MB in the beginning and 54.0MB in the end (delta: -4.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 92.33ms. Allocated memory is still 83.9MB. Free memory was 53.2MB in the beginning and 48.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. 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 - 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, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 297.1s, OverallIterations: 4, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 11.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 260 SdHoareTripleChecker+Invalid, 11.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 238 IncrementalHoareTripleChecker+Unchecked, 106 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 154 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 270 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 34 PreInvPairs, 46 NumberOfFragments, 13 HoareAnnotationTreeSize, 34 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 283.5s InterpolantComputationTime, 274 NumberOfCodeBlocks, 274 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 270 ConstructedInterpolants, 1 QuantifiedInterpolants, 471 SizeOfPredicates, 36 NumberOfNonLiveVariables, 460 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 880/880 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: 70]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-02 16:05:58,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7963c81-eaf9-4f3c-9025-962dde09db60/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE