./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.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_cb72ae66-dac9-4afd-a792-2df59d40c05f/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/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_cb72ae66-dac9-4afd-a792-2df59d40c05f/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/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_cb72ae66-dac9-4afd-a792-2df59d40c05f/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 c89635c86a425cde697e700fe2c31fd3c6219e51225ce6611bf5868dd9f869f8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:01:09,104 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:01:09,176 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 21:01:09,182 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:01:09,183 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:01:09,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:01:09,213 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:01:09,213 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:01:09,214 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 21:01:09,215 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 21:01:09,216 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:01:09,217 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:01:09,218 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:01:09,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:01:09,219 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:01:09,220 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:01:09,220 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 21:01:09,232 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 21:01:09,233 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 21:01:09,234 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 21:01:09,234 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:01:09,235 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 21:01:09,236 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:01:09,236 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 21:01:09,237 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 21:01:09,237 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:01:09,238 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:01:09,239 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:01:09,239 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:01:09,240 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 21:01:09,240 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:01:09,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:01:09,241 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:01:09,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:01:09,242 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 21:01:09,242 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 21:01:09,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 21:01:09,243 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:01:09,243 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 21:01:09,243 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 21:01:09,244 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 21:01:09,244 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 21:01:09,244 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_cb72ae66-dac9-4afd-a792-2df59d40c05f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c89635c86a425cde697e700fe2c31fd3c6219e51225ce6611bf5868dd9f869f8 [2023-11-21 21:01:09,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:01:09,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:01:09,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:01:09,534 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:01:09,535 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:01:09,536 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.i [2023-11-21 21:01:12,677 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:01:12,947 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:01:12,950 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.i [2023-11-21 21:01:12,963 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/bin/uautomizer-verify-bycVGegfSx/data/d7f5265cb/dbf166e12526454cb619e579f3e3d0a1/FLAG4b416e576 [2023-11-21 21:01:12,988 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/bin/uautomizer-verify-bycVGegfSx/data/d7f5265cb/dbf166e12526454cb619e579f3e3d0a1 [2023-11-21 21:01:12,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:01:13,000 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:01:13,005 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:01:13,005 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:01:13,012 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:01:13,015 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:01:12" (1/1) ... [2023-11-21 21:01:13,017 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63be3c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:13, skipping insertion in model container [2023-11-21 21:01:13,017 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:01:12" (1/1) ... [2023-11-21 21:01:13,063 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:01:13,256 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_cb72ae66-dac9-4afd-a792-2df59d40c05f/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.i[916,929] [2023-11-21 21:01:13,336 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:01:13,351 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:01:13,363 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_cb72ae66-dac9-4afd-a792-2df59d40c05f/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.i[916,929] [2023-11-21 21:01:13,389 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:01:13,407 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:01:13,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:13 WrapperNode [2023-11-21 21:01:13,408 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:01:13,410 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:01:13,410 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:01:13,410 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:01:13,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:13" (1/1) ... [2023-11-21 21:01:13,429 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:13" (1/1) ... [2023-11-21 21:01:13,465 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 97 [2023-11-21 21:01:13,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:01:13,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:01:13,467 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:01:13,467 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:01:13,480 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:13" (1/1) ... [2023-11-21 21:01:13,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:13" (1/1) ... [2023-11-21 21:01:13,485 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:13" (1/1) ... [2023-11-21 21:01:13,499 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 21:01:13,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:13" (1/1) ... [2023-11-21 21:01:13,500 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:13" (1/1) ... [2023-11-21 21:01:13,508 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:13" (1/1) ... [2023-11-21 21:01:13,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:13" (1/1) ... [2023-11-21 21:01:13,516 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:13" (1/1) ... [2023-11-21 21:01:13,518 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:13" (1/1) ... [2023-11-21 21:01:13,521 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:01:13,523 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:01:13,523 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:01:13,523 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:01:13,524 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:13" (1/1) ... [2023-11-21 21:01:13,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:01:13,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:01:13,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 21:01:13,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 21:01:13,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:01:13,648 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 21:01:13,648 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 21:01:13,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 21:01:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:01:13,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:01:13,751 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:01:13,754 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:01:14,141 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:01:14,359 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:01:14,360 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 21:01:14,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:01:14 BoogieIcfgContainer [2023-11-21 21:01:14,362 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:01:14,367 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:01:14,367 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:01:14,371 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:01:14,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:01:12" (1/3) ... [2023-11-21 21:01:14,373 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e0758a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:01:14, skipping insertion in model container [2023-11-21 21:01:14,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:13" (2/3) ... [2023-11-21 21:01:14,376 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e0758a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:01:14, skipping insertion in model container [2023-11-21 21:01:14,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:01:14" (3/3) ... [2023-11-21 21:01:14,378 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-7.i [2023-11-21 21:01:14,423 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:01:14,423 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 21:01:14,475 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 21:01:14,483 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;@1e3c630d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:01:14,483 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 21:01:14,488 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-21 21:01:14,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 21:01:14,503 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:01:14,504 INFO L195 NwaCegarLoop]: trace histogram [12, 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 21:01:14,505 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:01:14,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:01:14,523 INFO L85 PathProgramCache]: Analyzing trace with hash -544923012, now seen corresponding path program 1 times [2023-11-21 21:01:14,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:01:14,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924180847] [2023-11-21 21:01:14,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:14,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:01:14,727 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 21:01:14,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1742427079] [2023-11-21 21:01:14,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:14,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:01:14,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:01:14,731 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:01:14,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 21:01:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:01:14,869 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:01:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:01:14,963 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:01:14,966 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 21:01:14,967 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 21:01:14,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 21:01:15,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-21 21:01:15,190 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 21:01:15,195 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 21:01:15,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:01:15 BoogieIcfgContainer [2023-11-21 21:01:15,255 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 21:01:15,256 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 21:01:15,256 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 21:01:15,256 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 21:01:15,257 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:01:14" (3/4) ... [2023-11-21 21:01:15,259 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 21:01:15,260 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 21:01:15,261 INFO L158 Benchmark]: Toolchain (without parser) took 2261.63ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 92.9MB in the beginning and 129.6MB in the end (delta: -36.7MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2023-11-21 21:01:15,262 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 138.4MB. Free memory is still 106.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:01:15,262 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.67ms. Allocated memory is still 138.4MB. Free memory was 92.8MB in the beginning and 80.3MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 21:01:15,263 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.23ms. Allocated memory is still 138.4MB. Free memory was 80.2MB in the beginning and 77.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 21:01:15,264 INFO L158 Benchmark]: Boogie Preprocessor took 55.30ms. Allocated memory is still 138.4MB. Free memory was 77.6MB in the beginning and 74.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 21:01:15,264 INFO L158 Benchmark]: RCFGBuilder took 839.85ms. Allocated memory is still 138.4MB. Free memory was 74.5MB in the beginning and 107.1MB in the end (delta: -32.6MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2023-11-21 21:01:15,265 INFO L158 Benchmark]: TraceAbstraction took 888.08ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 106.4MB in the beginning and 129.6MB in the end (delta: -23.2MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2023-11-21 21:01:15,266 INFO L158 Benchmark]: Witness Printer took 4.43ms. Allocated memory is still 186.6MB. Free memory is still 129.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:01:15,270 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 138.4MB. Free memory is still 106.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.67ms. Allocated memory is still 138.4MB. Free memory was 92.8MB in the beginning and 80.3MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.23ms. Allocated memory is still 138.4MB. Free memory was 80.2MB in the beginning and 77.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.30ms. Allocated memory is still 138.4MB. Free memory was 77.6MB in the beginning and 74.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 839.85ms. Allocated memory is still 138.4MB. Free memory was 74.5MB in the beginning and 107.1MB in the end (delta: -32.6MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * TraceAbstraction took 888.08ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 106.4MB in the beginning and 129.6MB in the end (delta: -23.2MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * Witness Printer took 4.43ms. Allocated memory is still 186.6MB. Free memory is still 129.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 37. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] float var_1_3 = 8.2; [L24] float var_1_4 = 1000000000.4; [L25] unsigned char var_1_6 = 4; [L26] double var_1_7 = 0.2; [L27] unsigned char var_1_8 = 0; [L28] unsigned short int var_1_9 = 32; [L29] unsigned char var_1_10 = 1; [L30] double var_1_11 = 127.5; [L31] unsigned long int var_1_12 = 5; [L32] double last_1_var_1_7 = 0.2; [L33] unsigned long int last_1_var_1_12 = 5; [L97] isInitial = 1 [L98] FCALL initially() [L99] COND TRUE 1 [L100] CALL updateLastVariables() [L89] last_1_var_1_7 = var_1_7 [L90] last_1_var_1_12 = var_1_12 [L100] RET updateLastVariables() [L101] CALL updateVariables() [L68] var_1_3 = __VERIFIER_nondet_float() [L69] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=5000000002/5, var_1_6=4, var_1_7=1/5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=5000000002/5, var_1_6=4, var_1_7=1/5, var_1_8=0, var_1_9=32] [L70] var_1_4 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=4, var_1_7=1/5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=4, var_1_7=1/5, var_1_8=0, var_1_9=32] [L72] var_1_6 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=254, var_1_7=1/5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=254, var_1_7=1/5, var_1_8=0, var_1_9=32] [L74] CALL assume_abort_if_not(var_1_6 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=254, var_1_7=1/5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_6 <= 254) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=254, var_1_7=1/5, var_1_8=0, var_1_9=32] [L75] var_1_8 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=254, var_1_7=1/5, var_1_8=1, var_1_9=32] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=254, var_1_7=1/5, var_1_8=1, var_1_9=32] [L77] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=254, var_1_7=1/5, var_1_8=1, var_1_9=32] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=254, var_1_7=1/5, var_1_8=1, var_1_9=32] [L78] var_1_9 = __VERIFIER_nondet_ushort() [L79] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=254, var_1_7=1/5, var_1_8=1, var_1_9=254] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=254, var_1_7=1/5, var_1_8=1, var_1_9=254] [L80] CALL assume_abort_if_not(var_1_9 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=254, var_1_7=1/5, var_1_8=1, var_1_9=254] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_9 <= 65535) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=254, var_1_7=1/5, var_1_8=1, var_1_9=254] [L81] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=254, var_1_7=1/5, var_1_8=1, var_1_9=254] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=254, var_1_7=1/5, var_1_8=1, var_1_9=254] [L82] var_1_10 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=254, var_1_7=1/5, var_1_8=1, var_1_9=254] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=254, var_1_7=1/5, var_1_8=1, var_1_9=254] [L84] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=254, var_1_7=1/5, var_1_8=1, var_1_9=254] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=255/2, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=254, var_1_7=1/5, var_1_8=1, var_1_9=254] [L85] var_1_11 = __VERIFIER_nondet_double() [L86] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=3, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=254, var_1_7=1/5, var_1_8=1, var_1_9=254] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=3, var_1_12=5, var_1_1=1, var_1_4=2, var_1_6=254, var_1_7=1/5, var_1_8=1, var_1_9=254] [L101] RET updateVariables() [L102] CALL step() [L37] COND FALSE !(! (last_1_var_1_7 <= (var_1_3 - var_1_4))) [L44] var_1_1 = var_1_6 [L46] COND TRUE var_1_8 || ((var_1_6 / var_1_9) >= var_1_1) [L47] COND TRUE var_1_8 && var_1_10 [L48] var_1_7 = var_1_11 [L55] COND TRUE \read(var_1_8) [L56] COND FALSE !(var_1_10 && (var_1_4 <= var_1_7)) [L102] RET step() [L103] CALL, EXPR property() [L93-L94] return (((! (last_1_var_1_7 <= (var_1_3 - var_1_4))) ? ((-1 < last_1_var_1_12) ? (var_1_1 == ((unsigned char) var_1_6)) : (var_1_1 == ((unsigned char) var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_8 || ((var_1_6 / var_1_9) >= var_1_1)) ? ((var_1_8 && var_1_10) ? (var_1_7 == ((double) var_1_11)) : (var_1_7 == ((double) var_1_11))) : (var_1_7 == ((double) var_1_11)))) && (var_1_8 ? ((var_1_10 && (var_1_4 <= var_1_7)) ? ((((((var_1_4) > (var_1_11)) ? (var_1_4) : (var_1_11))) > var_1_7) ? (var_1_12 == ((unsigned long int) ((((((3725801564u - var_1_6) - var_1_1)) > (var_1_9)) ? (((3725801564u - var_1_6) - var_1_1)) : (var_1_9))))) : (var_1_12 == ((unsigned long int) var_1_6))) : 1) : (var_1_12 == ((unsigned long int) var_1_6))) ; [L103] RET, EXPR property() [L103] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=3, var_1_12=5, var_1_1=254, var_1_4=2, var_1_6=254, var_1_7=3, var_1_8=1, var_1_9=254] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=5, last_1_var_1_7=1/5, var_1_10=1, var_1_11=3, var_1_12=5, var_1_1=254, var_1_4=2, var_1_6=254, var_1_7=3, var_1_8=1, var_1_9=254] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 12, 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=28occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 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 21:01:15,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/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_cb72ae66-dac9-4afd-a792-2df59d40c05f/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/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_cb72ae66-dac9-4afd-a792-2df59d40c05f/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/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_cb72ae66-dac9-4afd-a792-2df59d40c05f/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 c89635c86a425cde697e700fe2c31fd3c6219e51225ce6611bf5868dd9f869f8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:01:18,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:01:18,206 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 21:01:18,213 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:01:18,214 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:01:18,246 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:01:18,247 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:01:18,247 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:01:18,248 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 21:01:18,249 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 21:01:18,250 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:01:18,250 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:01:18,252 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:01:18,252 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:01:18,253 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:01:18,254 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:01:18,254 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 21:01:18,255 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 21:01:18,256 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 21:01:18,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:01:18,257 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 21:01:18,258 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:01:18,258 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 21:01:18,259 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 21:01:18,259 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 21:01:18,260 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 21:01:18,260 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 21:01:18,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:01:18,261 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:01:18,262 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:01:18,263 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:01:18,263 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 21:01:18,264 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:01:18,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:01:18,265 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:01:18,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:01:18,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 21:01:18,266 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 21:01:18,266 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 21:01:18,266 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:01:18,267 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 21:01:18,267 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 21:01:18,267 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 21:01:18,268 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 21:01:18,268 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 21:01:18,268 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_cb72ae66-dac9-4afd-a792-2df59d40c05f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c89635c86a425cde697e700fe2c31fd3c6219e51225ce6611bf5868dd9f869f8 [2023-11-21 21:01:18,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:01:18,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:01:18,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:01:18,727 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:01:18,727 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:01:18,729 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.i [2023-11-21 21:01:22,274 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:01:22,596 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:01:22,597 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.i [2023-11-21 21:01:22,610 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/bin/uautomizer-verify-bycVGegfSx/data/30faa9917/a2ceb621e43a428d95a7ac03c3f6b4de/FLAG00dc67bf8 [2023-11-21 21:01:22,636 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/bin/uautomizer-verify-bycVGegfSx/data/30faa9917/a2ceb621e43a428d95a7ac03c3f6b4de [2023-11-21 21:01:22,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:01:22,648 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:01:22,652 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:01:22,653 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:01:22,659 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:01:22,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:01:22" (1/1) ... [2023-11-21 21:01:22,661 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@94cce32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:22, skipping insertion in model container [2023-11-21 21:01:22,662 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:01:22" (1/1) ... [2023-11-21 21:01:22,707 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:01:22,917 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_cb72ae66-dac9-4afd-a792-2df59d40c05f/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.i[916,929] [2023-11-21 21:01:22,994 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:01:23,017 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:01:23,041 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_cb72ae66-dac9-4afd-a792-2df59d40c05f/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-7.i[916,929] [2023-11-21 21:01:23,081 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:01:23,109 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:01:23,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:23 WrapperNode [2023-11-21 21:01:23,109 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:01:23,111 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:01:23,111 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:01:23,111 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:01:23,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:23" (1/1) ... [2023-11-21 21:01:23,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:23" (1/1) ... [2023-11-21 21:01:23,197 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 97 [2023-11-21 21:01:23,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:01:23,199 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:01:23,199 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:01:23,199 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:01:23,215 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:23" (1/1) ... [2023-11-21 21:01:23,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:23" (1/1) ... [2023-11-21 21:01:23,230 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:23" (1/1) ... [2023-11-21 21:01:23,255 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 21:01:23,256 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:23" (1/1) ... [2023-11-21 21:01:23,262 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:23" (1/1) ... [2023-11-21 21:01:23,274 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:23" (1/1) ... [2023-11-21 21:01:23,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:23" (1/1) ... [2023-11-21 21:01:23,289 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:23" (1/1) ... [2023-11-21 21:01:23,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:23" (1/1) ... [2023-11-21 21:01:23,302 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:01:23,303 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:01:23,304 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:01:23,304 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:01:23,305 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:23" (1/1) ... [2023-11-21 21:01:23,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:01:23,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:01:23,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 21:01:23,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 21:01:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:01:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 21:01:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 21:01:23,388 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 21:01:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:01:23,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:01:23,484 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:01:23,486 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:01:25,805 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:01:25,949 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:01:25,949 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 21:01:25,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:01:25 BoogieIcfgContainer [2023-11-21 21:01:25,952 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:01:25,955 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:01:25,955 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:01:25,960 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:01:25,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:01:22" (1/3) ... [2023-11-21 21:01:25,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46484de0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:01:25, skipping insertion in model container [2023-11-21 21:01:25,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:01:23" (2/3) ... [2023-11-21 21:01:25,962 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46484de0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:01:25, skipping insertion in model container [2023-11-21 21:01:25,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:01:25" (3/3) ... [2023-11-21 21:01:25,963 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-7.i [2023-11-21 21:01:25,984 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:01:25,984 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 21:01:26,038 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 21:01:26,047 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;@39240b3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:01:26,047 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 21:01:26,052 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-21 21:01:26,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 21:01:26,063 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:01:26,064 INFO L195 NwaCegarLoop]: trace histogram [12, 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 21:01:26,065 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:01:26,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:01:26,072 INFO L85 PathProgramCache]: Analyzing trace with hash -544923012, now seen corresponding path program 1 times [2023-11-21 21:01:26,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 21:01:26,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1897977585] [2023-11-21 21:01:26,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:26,090 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 21:01:26,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 21:01:26,093 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/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 21:01:26,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb72ae66-dac9-4afd-a792-2df59d40c05f/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 21:01:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:26,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 21:01:26,496 INFO L285 TraceCheckSpWp]: Computing forward predicates...