./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-98.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-98.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 50b8b3569ebc106b1fc2b1b2c57c29e886b8d65f1c4bed3a92c2da830b6206bd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:11:24,251 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:11:24,320 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:11:24,325 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:11:24,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:11:24,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:11:24,352 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:11:24,353 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:11:24,353 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:11:24,354 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:11:24,355 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:11:24,355 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:11:24,356 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:11:24,357 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:11:24,357 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:11:24,358 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:11:24,359 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:11:24,359 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:11:24,360 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:11:24,360 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:11:24,361 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:11:24,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:11:24,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:11:24,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:11:24,363 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:11:24,364 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:11:24,364 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:11:24,365 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:11:24,365 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:11:24,366 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:11:24,366 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:11:24,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:11:24,367 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:11:24,368 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:11:24,368 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:11:24,368 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:11:24,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:11:24,369 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:11:24,369 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:11:24,369 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:11:24,370 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:11:24,370 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:11:24,370 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50b8b3569ebc106b1fc2b1b2c57c29e886b8d65f1c4bed3a92c2da830b6206bd [2023-11-21 22:11:24,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:11:24,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:11:24,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:11:24,723 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:11:24,724 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:11:24,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-98.i [2023-11-21 22:11:27,929 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:11:28,168 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:11:28,170 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-98.i [2023-11-21 22:11:28,181 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/data/129b64628/7c5746f756334a24b2841c43f2d69e5c/FLAGff5e72fde [2023-11-21 22:11:28,198 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/data/129b64628/7c5746f756334a24b2841c43f2d69e5c [2023-11-21 22:11:28,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:11:28,202 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:11:28,204 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:11:28,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:11:28,210 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:11:28,211 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:11:28" (1/1) ... [2023-11-21 22:11:28,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f473be2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:28, skipping insertion in model container [2023-11-21 22:11:28,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:11:28" (1/1) ... [2023-11-21 22:11:28,246 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:11:28,409 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_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-98.i[917,930] [2023-11-21 22:11:28,453 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:11:28,474 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:11:28,485 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_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-98.i[917,930] [2023-11-21 22:11:28,509 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:11:28,527 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:11:28,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:28 WrapperNode [2023-11-21 22:11:28,528 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:11:28,530 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:11:28,530 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:11:28,530 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:11:28,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:28" (1/1) ... [2023-11-21 22:11:28,547 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:28" (1/1) ... [2023-11-21 22:11:28,583 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 128 [2023-11-21 22:11:28,583 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:11:28,584 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:11:28,584 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:11:28,584 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:11:28,594 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:28" (1/1) ... [2023-11-21 22:11:28,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:28" (1/1) ... [2023-11-21 22:11:28,597 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:28" (1/1) ... [2023-11-21 22:11:28,608 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:11:28,609 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:28" (1/1) ... [2023-11-21 22:11:28,609 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:28" (1/1) ... [2023-11-21 22:11:28,618 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:28" (1/1) ... [2023-11-21 22:11:28,623 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:28" (1/1) ... [2023-11-21 22:11:28,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:28" (1/1) ... [2023-11-21 22:11:28,627 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:28" (1/1) ... [2023-11-21 22:11:28,630 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:11:28,631 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:11:28,631 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:11:28,631 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:11:28,632 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:28" (1/1) ... [2023-11-21 22:11:28,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:11:28,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:28,666 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:28,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:11:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:11:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:11:28,706 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:11:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:11:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:11:28,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:11:28,802 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:11:28,804 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:11:29,103 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:11:29,436 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:11:29,442 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:11:29,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:11:29 BoogieIcfgContainer [2023-11-21 22:11:29,444 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:11:29,447 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:11:29,449 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:11:29,452 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:11:29,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:11:28" (1/3) ... [2023-11-21 22:11:29,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4420a01f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:11:29, skipping insertion in model container [2023-11-21 22:11:29,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:28" (2/3) ... [2023-11-21 22:11:29,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4420a01f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:11:29, skipping insertion in model container [2023-11-21 22:11:29,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:11:29" (3/3) ... [2023-11-21 22:11:29,459 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-98.i [2023-11-21 22:11:29,478 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:11:29,478 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:11:29,526 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:11:29,534 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=PETRI_NET, 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;@74e3c09f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:11:29,534 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:11:29,539 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-21 22:11:29,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-21 22:11:29,550 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:11:29,551 INFO L195 NwaCegarLoop]: trace histogram [17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:11:29,551 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:11:29,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:29,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1474727574, now seen corresponding path program 1 times [2023-11-21 22:11:29,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:29,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175082120] [2023-11-21 22:11:29,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:29,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:29,794 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:11:29,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [58697633] [2023-11-21 22:11:29,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:29,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:11:29,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:29,797 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:11:29,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:11:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:30,250 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:30,409 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:11:30,412 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:11:30,414 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:11:30,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:30,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-21 22:11:30,647 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:11:30,650 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:11:30,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:11:30 BoogieIcfgContainer [2023-11-21 22:11:30,759 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:11:30,762 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:11:30,762 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:11:30,762 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:11:30,763 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:11:29" (3/4) ... [2023-11-21 22:11:30,766 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:11:30,768 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:11:30,770 INFO L158 Benchmark]: Toolchain (without parser) took 2566.95ms. Allocated memory is still 146.8MB. Free memory was 107.6MB in the beginning and 79.6MB in the end (delta: 28.0MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2023-11-21 22:11:30,771 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 107.0MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:11:30,773 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.07ms. Allocated memory is still 146.8MB. Free memory was 107.2MB in the beginning and 94.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:11:30,774 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.90ms. Allocated memory is still 146.8MB. Free memory was 94.6MB in the beginning and 92.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:11:30,784 INFO L158 Benchmark]: Boogie Preprocessor took 46.10ms. Allocated memory is still 146.8MB. Free memory was 92.4MB in the beginning and 90.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:11:30,784 INFO L158 Benchmark]: RCFGBuilder took 813.97ms. Allocated memory is still 146.8MB. Free memory was 90.4MB in the beginning and 115.2MB in the end (delta: -24.8MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2023-11-21 22:11:30,785 INFO L158 Benchmark]: TraceAbstraction took 1311.95ms. Allocated memory is still 146.8MB. Free memory was 114.4MB in the beginning and 80.5MB in the end (delta: 33.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-21 22:11:30,786 INFO L158 Benchmark]: Witness Printer took 6.58ms. Allocated memory is still 146.8MB. Free memory was 80.5MB in the beginning and 79.6MB in the end (delta: 892.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:11:30,797 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 107.0MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.07ms. Allocated memory is still 146.8MB. Free memory was 107.2MB in the beginning and 94.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.90ms. Allocated memory is still 146.8MB. Free memory was 94.6MB in the beginning and 92.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.10ms. Allocated memory is still 146.8MB. Free memory was 92.4MB in the beginning and 90.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 813.97ms. Allocated memory is still 146.8MB. Free memory was 90.4MB in the beginning and 115.2MB in the end (delta: -24.8MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1311.95ms. Allocated memory is still 146.8MB. Free memory was 114.4MB in the beginning and 80.5MB in the end (delta: 33.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 6.58ms. Allocated memory is still 146.8MB. Free memory was 80.5MB in the beginning and 79.6MB in the end (delta: 892.0kB). 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 someBinaryDOUBLEComparisonOperation at line 55, overapproximation of shiftRight at line 51, overapproximation of someBinaryArithmeticDOUBLEoperation at line 41. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 4.8; [L23] double var_1_2 = 63.5; [L24] double var_1_3 = 9999999.5; [L25] double var_1_4 = 0.6; [L26] signed short int var_1_6 = 10; [L27] signed long int var_1_7 = -1; [L28] double var_1_8 = 4.4; [L29] double var_1_9 = 7.25; [L30] double var_1_10 = 7.5; [L31] double var_1_11 = 2.3; [L32] unsigned long int var_1_12 = 128; [L33] unsigned long int var_1_13 = 0; [L34] unsigned long int var_1_14 = 4078799264; [L35] unsigned long int var_1_15 = 500; [L36] unsigned long int var_1_16 = 25; [L37] unsigned long int last_1_var_1_15 = 500; [L101] isInitial = 1 [L102] FCALL initially() [L103] COND TRUE 1 [L104] CALL updateLastVariables() [L94] last_1_var_1_15 = var_1_15 [L104] RET updateLastVariables() [L105] CALL updateVariables() [L64] var_1_2 = __VERIFIER_nondet_double() [L65] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854765600e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=15/2, var_1_11=23/10, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=24/5, var_1_3=19999999/2, var_1_4=3/5, var_1_6=10, var_1_7=-1, var_1_8=22/5, var_1_9=29/4] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854765600e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=15/2, var_1_11=23/10, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=24/5, var_1_3=19999999/2, var_1_4=3/5, var_1_6=10, var_1_7=-1, var_1_8=22/5, var_1_9=29/4] [L66] var_1_3 = __VERIFIER_nondet_double() [L67] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=15/2, var_1_11=23/10, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=-1, var_1_8=22/5, var_1_9=29/4] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=15/2, var_1_11=23/10, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=10, var_1_7=-1, var_1_8=22/5, var_1_9=29/4] [L68] var_1_6 = __VERIFIER_nondet_short() [L69] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=15/2, var_1_11=23/10, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=32, var_1_7=-1, var_1_8=22/5, var_1_9=29/4] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=15/2, var_1_11=23/10, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=32, var_1_7=-1, var_1_8=22/5, var_1_9=29/4] [L70] CALL assume_abort_if_not(var_1_6 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=15/2, var_1_11=23/10, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=32, var_1_7=-1, var_1_8=22/5, var_1_9=29/4] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_6 <= 32) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=15/2, var_1_11=23/10, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=32, var_1_7=-1, var_1_8=22/5, var_1_9=29/4] [L71] var_1_7 = __VERIFIER_nondet_long() [L72] CALL assume_abort_if_not(var_1_7 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=15/2, var_1_11=23/10, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=32, var_1_7=1, var_1_8=22/5, var_1_9=29/4] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_7 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=15/2, var_1_11=23/10, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=32, var_1_7=1, var_1_8=22/5, var_1_9=29/4] [L73] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=15/2, var_1_11=23/10, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=32, var_1_7=1, var_1_8=22/5, var_1_9=29/4] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=15/2, var_1_11=23/10, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=32, var_1_7=1, var_1_8=22/5, var_1_9=29/4] [L74] CALL assume_abort_if_not(var_1_7 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=15/2, var_1_11=23/10, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=32, var_1_7=1, var_1_8=22/5, var_1_9=29/4] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_7 != 0) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=15/2, var_1_11=23/10, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=32, var_1_7=1, var_1_8=22/5, var_1_9=29/4] [L75] var_1_8 = __VERIFIER_nondet_double() [L76] CALL assume_abort_if_not((var_1_8 >= -115292.1504606845700e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 1152921.504606845700e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=15/2, var_1_11=23/10, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=32, var_1_7=1, var_1_8=3, var_1_9=29/4] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not((var_1_8 >= -115292.1504606845700e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 1152921.504606845700e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=15/2, var_1_11=23/10, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=32, var_1_7=1, var_1_8=3, var_1_9=29/4] [L77] var_1_9 = __VERIFIER_nondet_double() [L78] CALL assume_abort_if_not((var_1_9 >= -115292.1504606845700e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 1152921.504606845700e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=15/2, var_1_11=23/10, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=32, var_1_7=1, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((var_1_9 >= -115292.1504606845700e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 1152921.504606845700e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=15/2, var_1_11=23/10, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=32, var_1_7=1, var_1_8=3, var_1_9=4] [L79] var_1_10 = __VERIFIER_nondet_double() [L80] CALL assume_abort_if_not((var_1_10 >= -230584.3009213691390e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 2305843.009213691390e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=5, var_1_11=23/10, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=32, var_1_7=1, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((var_1_10 >= -230584.3009213691390e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 2305843.009213691390e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=5, var_1_11=23/10, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=32, var_1_7=1, var_1_8=3, var_1_9=4] [L81] var_1_11 = __VERIFIER_nondet_double() [L82] CALL assume_abort_if_not((var_1_11 >= -230584.3009213691390e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 2305843.009213691390e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=5, var_1_11=6, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=32, var_1_7=1, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((var_1_11 >= -230584.3009213691390e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 2305843.009213691390e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=5, var_1_11=6, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=32, var_1_7=1, var_1_8=3, var_1_9=4] [L83] var_1_13 = __VERIFIER_nondet_ulong() [L84] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=5, var_1_11=6, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=32, var_1_7=1, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=5, var_1_11=6, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=32, var_1_7=1, var_1_8=3, var_1_9=4] [L85] CALL assume_abort_if_not(var_1_13 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=5, var_1_11=6, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=32, var_1_7=1, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_13 <= 4294967294) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=5, var_1_11=6, var_1_12=128, var_1_13=0, var_1_14=4078799264, var_1_15=500, var_1_16=25, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=32, var_1_7=1, var_1_8=3, var_1_9=4] [L86] var_1_14 = __VERIFIER_nondet_ulong() [L87] CALL assume_abort_if_not(var_1_14 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=5, var_1_11=6, var_1_12=128, var_1_13=0, var_1_14=4294967294, var_1_15=500, var_1_16=25, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=32, var_1_7=1, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_14 >= 2147483647) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=5, var_1_11=6, var_1_12=128, var_1_13=0, var_1_14=4294967294, var_1_15=500, var_1_16=25, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=32, var_1_7=1, var_1_8=3, var_1_9=4] [L88] CALL assume_abort_if_not(var_1_14 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=5, var_1_11=6, var_1_12=128, var_1_13=0, var_1_14=4294967294, var_1_15=500, var_1_16=25, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=32, var_1_7=1, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_14 <= 4294967294) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=5, var_1_11=6, var_1_12=128, var_1_13=0, var_1_14=4294967294, var_1_15=500, var_1_16=25, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=32, var_1_7=1, var_1_8=3, var_1_9=4] [L89] var_1_16 = __VERIFIER_nondet_ulong() [L90] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=5, var_1_11=6, var_1_12=128, var_1_13=0, var_1_14=4294967294, var_1_15=500, var_1_16=1, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=32, var_1_7=1, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=5, var_1_11=6, var_1_12=128, var_1_13=0, var_1_14=4294967294, var_1_15=500, var_1_16=1, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=32, var_1_7=1, var_1_8=3, var_1_9=4] [L91] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=500, var_1_10=5, var_1_11=6, var_1_12=128, var_1_13=0, var_1_14=4294967294, var_1_15=500, var_1_16=1, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=32, var_1_7=1, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=500, var_1_10=5, var_1_11=6, var_1_12=128, var_1_13=0, var_1_14=4294967294, var_1_15=500, var_1_16=1, var_1_1=24/5, var_1_3=2, var_1_4=3/5, var_1_6=32, var_1_7=1, var_1_8=3, var_1_9=4] [L105] RET updateVariables() [L106] CALL step() [L41] var_1_1 = (var_1_2 - var_1_3) [L42] COND FALSE !(((((-128) < (last_1_var_1_15)) ? (-128) : (last_1_var_1_15))) < var_1_13) [L49] var_1_15 = var_1_16 [L51] EXPR var_1_15 >> var_1_6 [L51] unsigned long int stepLocal_0 = (var_1_15 >> var_1_6) / var_1_7; [L52] COND FALSE !(8 < stepLocal_0) [L55] COND TRUE var_1_2 < var_1_8 [L56] COND TRUE ((- var_1_15) <= var_1_6) || (var_1_4 < var_1_10) [L57] var_1_12 = ((((var_1_6) < (var_1_13)) ? (var_1_6) : (var_1_13))) [L106] RET step() [L107] CALL, EXPR property() [L97] EXPR (var_1_1 == ((double) (var_1_2 - var_1_3))) && ((8 < ((var_1_15 >> var_1_6) / var_1_7)) ? (var_1_4 == ((double) (((var_1_8 + var_1_9) + ((((var_1_10) < (1.9)) ? (var_1_10) : (1.9)))) + (99.125 + var_1_11)))) : 1) [L97-L98] return (((var_1_1 == ((double) (var_1_2 - var_1_3))) && ((8 < ((var_1_15 >> var_1_6) / var_1_7)) ? (var_1_4 == ((double) (((var_1_8 + var_1_9) + ((((var_1_10) < (1.9)) ? (var_1_10) : (1.9)))) + (99.125 + var_1_11)))) : 1)) && ((var_1_2 < var_1_8) ? ((((- var_1_15) <= var_1_6) || (var_1_4 < var_1_10)) ? (var_1_12 == ((unsigned long int) ((((var_1_6) < (var_1_13)) ? (var_1_6) : (var_1_13))))) : (var_1_12 == ((unsigned long int) (var_1_14 - var_1_6)))) : 1)) && ((((((-128) < (last_1_var_1_15)) ? (-128) : (last_1_var_1_15))) < var_1_13) ? ((last_1_var_1_15 > var_1_7) ? (var_1_15 == ((unsigned long int) (var_1_6 + var_1_16))) : (var_1_15 == ((unsigned long int) var_1_14))) : (var_1_15 == ((unsigned long int) var_1_16))) ; [L107] RET, EXPR property() [L107] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=500, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=0, var_1_14=4294967294, var_1_15=1, var_1_16=1, var_1_3=2, var_1_4=3/5, var_1_6=32, var_1_7=1, var_1_8=3, var_1_9=4] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=500, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=0, var_1_14=4294967294, var_1_15=1, var_1_16=1, var_1_3=2, var_1_4=3/5, var_1_6=32, var_1_7=1, var_1_8=3, var_1_9=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 17, 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=37occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 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 [2023-11-21 22:11:30,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-98.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 50b8b3569ebc106b1fc2b1b2c57c29e886b8d65f1c4bed3a92c2da830b6206bd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:11:33,538 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:11:33,630 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:11:33,636 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:11:33,637 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:11:33,667 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:11:33,668 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:11:33,669 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:11:33,670 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:11:33,670 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:11:33,671 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:11:33,672 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:11:33,672 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:11:33,673 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:11:33,674 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:11:33,674 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:11:33,675 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:11:33,676 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:11:33,676 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:11:33,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:11:33,677 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:11:33,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:11:33,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:11:33,679 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:11:33,679 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:11:33,680 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:11:33,680 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:11:33,681 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:11:33,681 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:11:33,681 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:11:33,682 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:11:33,682 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:11:33,683 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:11:33,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:11:33,684 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:11:33,684 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:11:33,685 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:11:33,685 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:11:33,685 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:11:33,686 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:11:33,686 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:11:33,687 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:11:33,687 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:11:33,688 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:11:33,688 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:11:33,688 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50b8b3569ebc106b1fc2b1b2c57c29e886b8d65f1c4bed3a92c2da830b6206bd [2023-11-21 22:11:34,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:11:34,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:11:34,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:11:34,076 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:11:34,077 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:11:34,079 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-98.i [2023-11-21 22:11:37,516 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:11:37,811 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:11:37,813 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-98.i [2023-11-21 22:11:37,822 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/data/a8b256386/a7f7f77878b741f9a265fa59764b256c/FLAG86e867597 [2023-11-21 22:11:37,836 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/data/a8b256386/a7f7f77878b741f9a265fa59764b256c [2023-11-21 22:11:37,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:11:37,841 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:11:37,842 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:11:37,843 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:11:37,849 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:11:37,850 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:11:37" (1/1) ... [2023-11-21 22:11:37,851 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28419bc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:37, skipping insertion in model container [2023-11-21 22:11:37,851 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:11:37" (1/1) ... [2023-11-21 22:11:37,883 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:11:38,045 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_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-98.i[917,930] [2023-11-21 22:11:38,128 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:11:38,156 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:11:38,177 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_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-98.i[917,930] [2023-11-21 22:11:38,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:11:38,257 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:11:38,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:38 WrapperNode [2023-11-21 22:11:38,257 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:11:38,259 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:11:38,259 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:11:38,259 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:11:38,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:38" (1/1) ... [2023-11-21 22:11:38,297 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:38" (1/1) ... [2023-11-21 22:11:38,343 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2023-11-21 22:11:38,354 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:11:38,355 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:11:38,355 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:11:38,355 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:11:38,370 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:38" (1/1) ... [2023-11-21 22:11:38,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:38" (1/1) ... [2023-11-21 22:11:38,387 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:38" (1/1) ... [2023-11-21 22:11:38,410 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:11:38,410 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:38" (1/1) ... [2023-11-21 22:11:38,410 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:38" (1/1) ... [2023-11-21 22:11:38,428 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:38" (1/1) ... [2023-11-21 22:11:38,444 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:38" (1/1) ... [2023-11-21 22:11:38,447 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:38" (1/1) ... [2023-11-21 22:11:38,449 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:38" (1/1) ... [2023-11-21 22:11:38,460 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:11:38,461 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:11:38,467 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:11:38,467 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:11:38,468 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:38" (1/1) ... [2023-11-21 22:11:38,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:11:38,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:38,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:38,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:11:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:11:38,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:11:38,555 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:11:38,555 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:11:38,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:11:38,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:11:38,652 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:11:38,654 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:11:43,189 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:11:43,363 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:11:43,375 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:11:43,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:11:43 BoogieIcfgContainer [2023-11-21 22:11:43,378 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:11:43,382 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:11:43,383 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:11:43,387 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:11:43,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:11:37" (1/3) ... [2023-11-21 22:11:43,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545cd934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:11:43, skipping insertion in model container [2023-11-21 22:11:43,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:38" (2/3) ... [2023-11-21 22:11:43,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545cd934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:11:43, skipping insertion in model container [2023-11-21 22:11:43,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:11:43" (3/3) ... [2023-11-21 22:11:43,394 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-98.i [2023-11-21 22:11:43,419 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:11:43,420 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:11:43,472 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:11:43,480 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=PETRI_NET, 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;@1a91e056, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:11:43,480 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:11:43,485 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-21 22:11:43,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-21 22:11:43,497 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:11:43,498 INFO L195 NwaCegarLoop]: trace histogram [17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:11:43,498 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:11:43,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:43,505 INFO L85 PathProgramCache]: Analyzing trace with hash -650269076, now seen corresponding path program 1 times [2023-11-21 22:11:43,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:11:43,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1658259165] [2023-11-21 22:11:43,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:43,525 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 [2023-11-21 22:11:43,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:11:43,528 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 22:11:43,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8abc6ba-f4ea-4542-9c70-8f11232cf9ce/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:11:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:44,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-21 22:11:44,757 INFO L285 TraceCheckSpWp]: Computing forward predicates...