./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash de05dd5e3bf0aa71208c9225f4fdf36a7def96a9278aed9da8f88e67d49713ff --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:22:48,007 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:22:48,094 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:22:48,101 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:22:48,102 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:22:48,144 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:22:48,145 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:22:48,147 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:22:48,148 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:22:48,148 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:22:48,149 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:22:48,149 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:22:48,150 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:22:48,150 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:22:48,151 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:22:48,152 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:22:48,154 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:22:48,158 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:22:48,158 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:22:48,159 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:22:48,159 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:22:48,160 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:22:48,160 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:22:48,161 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:22:48,161 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:22:48,162 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:22:48,162 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:22:48,162 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:22:48,163 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:22:48,163 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:22:48,164 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:22:48,164 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:22:48,164 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:22:48,165 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:22:48,165 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:22:48,165 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:22:48,166 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:22:48,166 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:22:48,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:22:48,167 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:22:48,167 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:22:48,168 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:22:48,168 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:22:48,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:22:48,169 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:22:48,169 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:22:48,169 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:22:48,170 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_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de05dd5e3bf0aa71208c9225f4fdf36a7def96a9278aed9da8f88e67d49713ff [2024-11-02 12:22:48,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:22:48,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:22:48,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:22:48,455 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:22:48,456 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:22:48,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.i Unable to find full path for "g++" [2024-11-02 12:22:50,605 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:22:50,822 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:22:50,823 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.i [2024-11-02 12:22:50,832 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/data/93d73727e/dd208e8a87c54938877087ab71af843a/FLAG3bb79274c [2024-11-02 12:22:51,187 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/data/93d73727e/dd208e8a87c54938877087ab71af843a [2024-11-02 12:22:51,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:22:51,191 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:22:51,193 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:22:51,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:22:51,198 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:22:51,198 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:22:51" (1/1) ... [2024-11-02 12:22:51,199 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@184f8759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:51, skipping insertion in model container [2024-11-02 12:22:51,199 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:22:51" (1/1) ... [2024-11-02 12:22:51,229 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:22:51,410 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.i[915,928] [2024-11-02 12:22:51,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:22:51,472 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:22:51,486 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.i[915,928] [2024-11-02 12:22:51,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:22:51,529 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:22:51,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:51 WrapperNode [2024-11-02 12:22:51,530 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:22:51,531 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:22:51,532 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:22:51,532 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:22:51,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:51" (1/1) ... [2024-11-02 12:22:51,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:51" (1/1) ... [2024-11-02 12:22:51,591 INFO L138 Inliner]: procedures = 26, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 102 [2024-11-02 12:22:51,591 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:22:51,592 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:22:51,592 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:22:51,592 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:22:51,603 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:51" (1/1) ... [2024-11-02 12:22:51,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:51" (1/1) ... [2024-11-02 12:22:51,605 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:51" (1/1) ... [2024-11-02 12:22:51,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:51" (1/1) ... [2024-11-02 12:22:51,611 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:51" (1/1) ... [2024-11-02 12:22:51,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:51" (1/1) ... [2024-11-02 12:22:51,617 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:51" (1/1) ... [2024-11-02 12:22:51,619 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:51" (1/1) ... [2024-11-02 12:22:51,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:22:51,623 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:22:51,623 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:22:51,623 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:22:51,624 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:51" (1/1) ... [2024-11-02 12:22:51,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:22:51,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:22:51,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:22:51,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:22:51,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:22:51,703 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:22:51,703 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:22:51,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:22:51,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:22:51,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:22:51,799 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:22:51,802 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:22:52,166 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-02 12:22:52,167 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:22:52,448 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:22:52,448 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:22:52,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:22:52 BoogieIcfgContainer [2024-11-02 12:22:52,449 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:22:52,451 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:22:52,452 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:22:52,458 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:22:52,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:22:51" (1/3) ... [2024-11-02 12:22:52,460 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ecc6f02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:22:52, skipping insertion in model container [2024-11-02 12:22:52,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:51" (2/3) ... [2024-11-02 12:22:52,461 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ecc6f02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:22:52, skipping insertion in model container [2024-11-02 12:22:52,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:22:52" (3/3) ... [2024-11-02 12:22:52,463 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-9.i [2024-11-02 12:22:52,488 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:22:52,489 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:22:52,561 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:22:52,568 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@62e15099, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:22:52,569 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:22:52,574 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-02 12:22:52,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-02 12:22:52,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:22:52,584 INFO L215 NwaCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:22:52,584 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:22:52,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:22:52,590 INFO L85 PathProgramCache]: Analyzing trace with hash 149894292, now seen corresponding path program 1 times [2024-11-02 12:22:52,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:22:52,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110260633] [2024-11-02 12:22:52,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:22:52,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:22:52,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 12:22:52,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2069421354] [2024-11-02 12:22:52,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:22:52,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:22:52,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:22:52,910 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:22:52,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 12:22:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:22:53,081 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:22:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:22:53,215 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:22:53,221 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:22:53,222 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:22:53,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-02 12:22:53,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-02 12:22:53,433 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:22:53,474 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:22:53,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:22:53 BoogieIcfgContainer [2024-11-02 12:22:53,478 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:22:53,478 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:22:53,479 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:22:53,479 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:22:53,479 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:22:52" (3/4) ... [2024-11-02 12:22:53,483 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:22:53,484 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:22:53,486 INFO L158 Benchmark]: Toolchain (without parser) took 2294.18ms. Allocated memory was 151.0MB in the beginning and 190.8MB in the end (delta: 39.8MB). Free memory was 106.4MB in the beginning and 120.7MB in the end (delta: -14.3MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2024-11-02 12:22:53,486 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 151.0MB. Free memory is still 101.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:22:53,487 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.94ms. Allocated memory is still 151.0MB. Free memory was 106.1MB in the beginning and 92.2MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-02 12:22:53,489 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.21ms. Allocated memory is still 151.0MB. Free memory was 92.2MB in the beginning and 89.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:22:53,490 INFO L158 Benchmark]: Boogie Preprocessor took 29.89ms. Allocated memory is still 151.0MB. Free memory was 89.9MB in the beginning and 88.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:22:53,491 INFO L158 Benchmark]: RCFGBuilder took 826.39ms. Allocated memory was 151.0MB in the beginning and 190.8MB in the end (delta: 39.8MB). Free memory was 88.5MB in the beginning and 150.1MB in the end (delta: -61.6MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2024-11-02 12:22:53,492 INFO L158 Benchmark]: TraceAbstraction took 1026.32ms. Allocated memory is still 190.8MB. Free memory was 150.1MB in the beginning and 120.7MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-02 12:22:53,494 INFO L158 Benchmark]: Witness Printer took 6.01ms. Allocated memory is still 190.8MB. Free memory is still 120.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:22:53,497 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 151.0MB. Free memory is still 101.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.94ms. Allocated memory is still 151.0MB. Free memory was 106.1MB in the beginning and 92.2MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.21ms. Allocated memory is still 151.0MB. Free memory was 92.2MB in the beginning and 89.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.89ms. Allocated memory is still 151.0MB. Free memory was 89.9MB in the beginning and 88.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 826.39ms. Allocated memory was 151.0MB in the beginning and 190.8MB in the end (delta: 39.8MB). Free memory was 88.5MB in the beginning and 150.1MB in the end (delta: -61.6MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1026.32ms. Allocated memory is still 190.8MB. Free memory was 150.1MB in the beginning and 120.7MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 6.01ms. Allocated memory is still 190.8MB. Free memory is still 120.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftLeft at line 45. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 10; [L23] unsigned char var_1_3 = 4; [L24] unsigned char var_1_7 = 0; [L25] signed short int var_1_8 = 100; [L26] unsigned char var_1_9 = 32; [L27] signed long int var_1_10 = 9; [L28] signed long int var_1_11 = 0; [L29] signed short int var_1_12 = 1; [L30] signed long int var_1_14 = -16; [L31] unsigned char last_1_var_1_1 = 10; [L32] signed long int last_1_var_1_10 = 9; [L33] signed short int last_1_var_1_12 = 1; [L34] signed long int last_1_var_1_14 = -16; [L86] isInitial = 1 [L87] FCALL initially() [L88] COND TRUE 1 [L89] CALL updateLastVariables() [L76] last_1_var_1_1 = var_1_1 [L77] last_1_var_1_10 = var_1_10 [L78] last_1_var_1_12 = var_1_12 [L79] last_1_var_1_14 = var_1_14 [L89] RET updateLastVariables() [L90] CALL updateVariables() [L65] var_1_3 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_7=0, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_7=0, var_1_8=100, var_1_9=32] [L67] CALL assume_abort_if_not(var_1_3 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=1036, var_1_7=0, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_3 <= 254) VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=1036, var_1_7=0, var_1_8=100, var_1_9=32] [L68] var_1_7 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=1036, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=1036, var_1_8=100, var_1_9=32] [L70] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=1036, var_1_7=0, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=0, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=1036, var_1_7=0, var_1_8=100, var_1_9=32] [L71] var_1_11 = __VERIFIER_nondet_long() [L72] CALL assume_abort_if_not(var_1_11 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=-2147483648, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=1036, var_1_7=0, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_11 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=-2147483648, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=1036, var_1_7=0, var_1_8=100, var_1_9=32] [L73] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=-2147483648, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=1036, var_1_7=0, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=9, var_1_11=-2147483648, var_1_12=1, var_1_14=-16, var_1_1=10, var_1_3=1036, var_1_7=0, var_1_8=100, var_1_9=32] [L90] RET updateVariables() [L91] CALL step() [L38] unsigned char stepLocal_0 = last_1_var_1_10 > last_1_var_1_10; [L39] COND FALSE !(((last_1_var_1_12 + last_1_var_1_1) < 10) || stepLocal_0) [L42] var_1_12 = last_1_var_1_12 [L44] var_1_14 = var_1_12 [L45] EXPR 10 << var_1_12 [L45] COND FALSE !((10 << var_1_12) < (var_1_3 * var_1_14)) [L48] var_1_9 = 64 [L49] var_1_10 = var_1_11 [L50] COND TRUE var_1_12 <= 16 [L51] var_1_1 = var_1_3 [L91] RET step() [L92] CALL, EXPR property() [L82] EXPR ((var_1_12 <= 16) ? (var_1_1 == ((unsigned char) var_1_3)) : ((((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10))) < var_1_10) ? (var_1_7 ? (var_1_1 == ((unsigned char) var_1_3)) : (var_1_1 == ((unsigned char) var_1_3))) : (var_1_1 == ((unsigned char) var_1_3)))) && (((10 << var_1_12) < (var_1_3 * var_1_14)) ? (var_1_8 == ((signed short int) (var_1_12 + var_1_14))) : 1) [L82] EXPR 10 << var_1_12 [L82] EXPR ((var_1_12 <= 16) ? (var_1_1 == ((unsigned char) var_1_3)) : ((((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10))) < var_1_10) ? (var_1_7 ? (var_1_1 == ((unsigned char) var_1_3)) : (var_1_1 == ((unsigned char) var_1_3))) : (var_1_1 == ((unsigned char) var_1_3)))) && (((10 << var_1_12) < (var_1_3 * var_1_14)) ? (var_1_8 == ((signed short int) (var_1_12 + var_1_14))) : 1) [L82-L83] return ((((((var_1_12 <= 16) ? (var_1_1 == ((unsigned char) var_1_3)) : ((((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10))) < var_1_10) ? (var_1_7 ? (var_1_1 == ((unsigned char) var_1_3)) : (var_1_1 == ((unsigned char) var_1_3))) : (var_1_1 == ((unsigned char) var_1_3)))) && (((10 << var_1_12) < (var_1_3 * var_1_14)) ? (var_1_8 == ((signed short int) (var_1_12 + var_1_14))) : 1)) && (var_1_9 == ((unsigned char) 64))) && (var_1_10 == ((signed long int) var_1_11))) && ((((last_1_var_1_12 + last_1_var_1_1) < 10) || (last_1_var_1_10 > last_1_var_1_10)) ? (var_1_12 == ((signed short int) ((((((var_1_3 + last_1_var_1_12) - ((((last_1_var_1_14) > (last_1_var_1_12)) ? (last_1_var_1_14) : (last_1_var_1_12))))) > (last_1_var_1_1)) ? (((var_1_3 + last_1_var_1_12) - ((((last_1_var_1_14) > (last_1_var_1_12)) ? (last_1_var_1_14) : (last_1_var_1_12))))) : (last_1_var_1_1))))) : (var_1_12 == ((signed short int) last_1_var_1_12)))) && (var_1_14 == ((signed long int) var_1_12)) ; [L92] RET, EXPR property() [L92] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=1, var_1_14=1, var_1_1=1036, var_1_3=1036, var_1_7=0, var_1_8=100, var_1_9=64] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=9, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10=-2147483648, var_1_11=-2147483648, var_1_12=1, var_1_14=1, var_1_1=1036, var_1_3=1036, var_1_7=0, var_1_8=100, var_1_9=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-02 12:22:53,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash de05dd5e3bf0aa71208c9225f4fdf36a7def96a9278aed9da8f88e67d49713ff --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:22:55,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:22:56,076 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:22:56,082 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:22:56,083 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:22:56,123 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:22:56,125 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:22:56,126 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:22:56,127 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:22:56,128 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:22:56,129 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:22:56,129 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:22:56,130 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:22:56,130 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:22:56,131 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:22:56,133 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:22:56,134 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:22:56,134 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:22:56,134 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:22:56,135 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:22:56,135 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:22:56,139 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:22:56,140 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:22:56,140 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:22:56,140 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:22:56,140 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:22:56,141 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:22:56,141 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:22:56,141 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:22:56,142 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:22:56,142 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:22:56,142 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:22:56,143 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:22:56,144 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:22:56,144 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:22:56,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:22:56,145 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:22:56,145 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:22:56,145 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:22:56,146 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:22:56,146 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:22:56,147 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:22:56,149 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:22:56,150 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:22:56,161 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_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de05dd5e3bf0aa71208c9225f4fdf36a7def96a9278aed9da8f88e67d49713ff [2024-11-02 12:22:56,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:22:56,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:22:56,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:22:56,629 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:22:56,630 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:22:56,631 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.i Unable to find full path for "g++" [2024-11-02 12:22:58,930 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:22:59,203 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:22:59,205 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.i [2024-11-02 12:22:59,217 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/data/1a65cfab7/2d6aafd79ea74d58a22dd4b70be56652/FLAGc85f20cec [2024-11-02 12:22:59,237 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/data/1a65cfab7/2d6aafd79ea74d58a22dd4b70be56652 [2024-11-02 12:22:59,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:22:59,242 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:22:59,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:22:59,244 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:22:59,251 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:22:59,253 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:22:59" (1/1) ... [2024-11-02 12:22:59,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53fd48c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:59, skipping insertion in model container [2024-11-02 12:22:59,255 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:22:59" (1/1) ... [2024-11-02 12:22:59,284 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:22:59,536 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.i[915,928] [2024-11-02 12:22:59,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:22:59,625 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:22:59,640 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-9.i[915,928] [2024-11-02 12:22:59,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:22:59,700 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:22:59,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:59 WrapperNode [2024-11-02 12:22:59,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:22:59,702 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:22:59,702 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:22:59,703 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:22:59,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:59" (1/1) ... [2024-11-02 12:22:59,726 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:59" (1/1) ... [2024-11-02 12:22:59,777 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 82 [2024-11-02 12:22:59,778 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:22:59,778 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:22:59,778 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:22:59,779 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:22:59,794 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:59" (1/1) ... [2024-11-02 12:22:59,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:59" (1/1) ... [2024-11-02 12:22:59,799 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:59" (1/1) ... [2024-11-02 12:22:59,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:59" (1/1) ... [2024-11-02 12:22:59,815 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:59" (1/1) ... [2024-11-02 12:22:59,820 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:59" (1/1) ... [2024-11-02 12:22:59,829 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:59" (1/1) ... [2024-11-02 12:22:59,831 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:59" (1/1) ... [2024-11-02 12:22:59,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:22:59,835 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:22:59,835 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:22:59,835 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:22:59,836 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:59" (1/1) ... [2024-11-02 12:22:59,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:22:59,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:22:59,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:22:59,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:22:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:22:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:22:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:22:59,924 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:22:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:22:59,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:23:00,025 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:23:00,032 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:23:00,463 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-02 12:23:00,464 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:23:00,475 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:23:00,476 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:23:00,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:00 BoogieIcfgContainer [2024-11-02 12:23:00,476 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:23:00,478 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:23:00,479 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:23:00,482 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:23:00,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:22:59" (1/3) ... [2024-11-02 12:23:00,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e8fb05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:23:00, skipping insertion in model container [2024-11-02 12:23:00,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:59" (2/3) ... [2024-11-02 12:23:00,484 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e8fb05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:23:00, skipping insertion in model container [2024-11-02 12:23:00,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:00" (3/3) ... [2024-11-02 12:23:00,485 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-9.i [2024-11-02 12:23:00,504 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:23:00,504 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:23:00,580 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:23:00,589 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4ad62100, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:23:00,590 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:23:00,595 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 27 states have internal predecessors, (36), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-02 12:23:00,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-02 12:23:00,609 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:23:00,610 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:23:00,610 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:23:00,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:23:00,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1890713193, now seen corresponding path program 1 times [2024-11-02 12:23:00,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:23:00,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [297525418] [2024-11-02 12:23:00,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:23:00,633 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:23:00,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:23:00,635 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:23:00,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-02 12:23:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:23:00,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:23:00,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:23:00,832 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-02 12:23:00,833 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:23:00,833 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:23:00,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [297525418] [2024-11-02 12:23:00,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [297525418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:23:00,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:23:00,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:23:00,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113625828] [2024-11-02 12:23:00,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:23:00,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:23:00,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:23:00,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:23:00,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:23:00,868 INFO L87 Difference]: Start difference. First operand has 35 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 27 states have internal predecessors, (36), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-02 12:23:00,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:23:00,888 INFO L93 Difference]: Finished difference Result 62 states and 94 transitions. [2024-11-02 12:23:00,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:23:00,891 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 47 [2024-11-02 12:23:00,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:23:00,899 INFO L225 Difference]: With dead ends: 62 [2024-11-02 12:23:00,899 INFO L226 Difference]: Without dead ends: 30 [2024-11-02 12:23:00,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:23:00,906 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:23:00,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:23:00,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-02 12:23:00,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-11-02 12:23:00,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-02 12:23:00,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2024-11-02 12:23:00,964 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 38 transitions. Word has length 47 [2024-11-02 12:23:00,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:23:00,965 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 38 transitions. [2024-11-02 12:23:00,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-02 12:23:00,965 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2024-11-02 12:23:00,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-02 12:23:00,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:23:00,969 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:23:00,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-02 12:23:01,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:23:01,171 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:23:01,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:23:01,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1140319529, now seen corresponding path program 1 times [2024-11-02 12:23:01,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:23:01,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1149968541] [2024-11-02 12:23:01,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:23:01,175 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:23:01,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:23:01,179 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:23:01,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-02 12:23:01,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:23:01,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-02 12:23:01,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:23:01,937 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-02 12:23:01,938 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:23:01,938 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:23:01,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1149968541] [2024-11-02 12:23:01,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1149968541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:23:01,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:23:01,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:23:01,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64862918] [2024-11-02 12:23:01,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:23:01,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 12:23:01,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:23:01,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 12:23:01,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:23:01,954 INFO L87 Difference]: Start difference. First operand 30 states and 38 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-02 12:23:02,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:23:02,251 INFO L93 Difference]: Finished difference Result 84 states and 108 transitions. [2024-11-02 12:23:02,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-02 12:23:02,252 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 47 [2024-11-02 12:23:02,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:23:02,255 INFO L225 Difference]: With dead ends: 84 [2024-11-02 12:23:02,257 INFO L226 Difference]: Without dead ends: 57 [2024-11-02 12:23:02,258 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-02 12:23:02,261 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 26 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-02 12:23:02,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 103 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-02 12:23:02,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-02 12:23:02,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 50. [2024-11-02 12:23:02,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 35 states have internal predecessors, (40), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-02 12:23:02,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 64 transitions. [2024-11-02 12:23:02,290 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 64 transitions. Word has length 47 [2024-11-02 12:23:02,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:23:02,291 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 64 transitions. [2024-11-02 12:23:02,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-02 12:23:02,291 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2024-11-02 12:23:02,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-02 12:23:02,295 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:23:02,295 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:23:02,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-02 12:23:02,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:23:02,499 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:23:02,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:23:02,503 INFO L85 PathProgramCache]: Analyzing trace with hash -460261159, now seen corresponding path program 1 times [2024-11-02 12:23:02,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:23:02,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [593868057] [2024-11-02 12:23:02,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:23:02,507 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:23:02,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:23:02,513 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:23:02,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea03af9-88c9-4533-bdc4-99f94c0be886/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-02 12:23:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:23:02,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-02 12:23:02,626 INFO L278 TraceCheckSpWp]: Computing forward predicates...