./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu --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 d6309e89b59d774d489fa719c310727c3028fbc925a23cebee2c14e16b155218 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:48:22,111 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:48:22,254 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:48:22,262 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:48:22,262 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:48:22,304 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:48:22,305 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:48:22,306 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:48:22,307 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:48:22,312 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:48:22,314 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:48:22,315 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:48:22,315 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:48:22,317 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:48:22,318 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:48:22,318 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:48:22,318 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:48:22,319 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:48:22,319 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:48:22,320 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:48:22,320 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:48:22,321 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:48:22,321 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:48:22,322 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:48:22,322 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:48:22,323 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:48:22,324 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:48:22,324 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:48:22,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:48:22,325 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:48:22,326 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:48:22,327 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:48:22,327 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:48:22,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:48:22,328 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:48:22,328 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:48:22,328 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:48:22,328 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:48:22,329 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:48:22,329 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_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6309e89b59d774d489fa719c310727c3028fbc925a23cebee2c14e16b155218 [2023-11-19 07:48:22,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:48:22,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:48:22,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:48:22,656 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:48:22,657 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:48:22,658 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.i [2023-11-19 07:48:25,938 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:48:26,181 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:48:26,181 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.i [2023-11-19 07:48:26,191 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/data/be5226957/29845a11a4d9453ead72d0c8e580e8c0/FLAGca6e94860 [2023-11-19 07:48:26,205 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/data/be5226957/29845a11a4d9453ead72d0c8e580e8c0 [2023-11-19 07:48:26,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:48:26,210 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:48:26,212 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:48:26,212 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:48:26,217 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:48:26,218 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:26" (1/1) ... [2023-11-19 07:48:26,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bf59f34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:26, skipping insertion in model container [2023-11-19 07:48:26,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:26" (1/1) ... [2023-11-19 07:48:26,254 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:48:26,406 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_8776806d-1256-4e88-9ecd-8f2c8033b447/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.i[917,930] [2023-11-19 07:48:26,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:48:26,461 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:48:26,474 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_8776806d-1256-4e88-9ecd-8f2c8033b447/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.i[917,930] [2023-11-19 07:48:26,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:48:26,515 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:48:26,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:26 WrapperNode [2023-11-19 07:48:26,516 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:48:26,517 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:48:26,518 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:48:26,518 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:48:26,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:26" (1/1) ... [2023-11-19 07:48:26,535 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:26" (1/1) ... [2023-11-19 07:48:26,560 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2023-11-19 07:48:26,560 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:48:26,561 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:48:26,561 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:48:26,561 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:48:26,578 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:26" (1/1) ... [2023-11-19 07:48:26,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:26" (1/1) ... [2023-11-19 07:48:26,581 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:26" (1/1) ... [2023-11-19 07:48:26,581 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:26" (1/1) ... [2023-11-19 07:48:26,588 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:26" (1/1) ... [2023-11-19 07:48:26,592 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:26" (1/1) ... [2023-11-19 07:48:26,594 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:26" (1/1) ... [2023-11-19 07:48:26,595 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:26" (1/1) ... [2023-11-19 07:48:26,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:48:26,599 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:48:26,600 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:48:26,600 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:48:26,601 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:26" (1/1) ... [2023-11-19 07:48:26,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:48:26,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:26,636 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:48:26,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:48:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:48:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:48:26,686 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:48:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:48:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:48:26,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:48:26,793 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:48:26,795 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:48:27,213 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:48:27,227 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:48:27,227 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:48:27,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:27 BoogieIcfgContainer [2023-11-19 07:48:27,233 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:48:27,236 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:48:27,236 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:48:27,240 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:48:27,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:48:26" (1/3) ... [2023-11-19 07:48:27,241 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bb9b272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:27, skipping insertion in model container [2023-11-19 07:48:27,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:26" (2/3) ... [2023-11-19 07:48:27,241 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bb9b272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:27, skipping insertion in model container [2023-11-19 07:48:27,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:27" (3/3) ... [2023-11-19 07:48:27,245 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-91.i [2023-11-19 07:48:27,266 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:48:27,267 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:48:27,338 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:48:27,346 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;@33ce2a1f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:48:27,347 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:48:27,352 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 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) [2023-11-19 07:48:27,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-19 07:48:27,370 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:27,371 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:27,372 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:48:27,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:27,381 INFO L85 PathProgramCache]: Analyzing trace with hash 123178100, now seen corresponding path program 1 times [2023-11-19 07:48:27,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:27,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919342926] [2023-11-19 07:48:27,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:27,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:27,621 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:48:27,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1480661435] [2023-11-19 07:48:27,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:27,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:48:27,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:27,628 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:48:27,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:48:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:27,806 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:48:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:27,963 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:48:27,966 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:48:27,968 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:48:27,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:48:28,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 07:48:28,196 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 07:48:28,200 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:48:28,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:48:28 BoogieIcfgContainer [2023-11-19 07:48:28,329 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:48:28,330 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:48:28,330 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:48:28,330 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:48:28,331 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:27" (3/4) ... [2023-11-19 07:48:28,333 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:48:28,336 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:48:28,338 INFO L158 Benchmark]: Toolchain (without parser) took 2127.71ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 69.3MB in the beginning and 78.3MB in the end (delta: -9.0MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2023-11-19 07:48:28,338 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:48:28,340 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.99ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 56.6MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:48:28,341 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.02ms. Allocated memory is still 117.4MB. Free memory was 56.6MB in the beginning and 54.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:48:28,347 INFO L158 Benchmark]: Boogie Preprocessor took 37.84ms. Allocated memory is still 117.4MB. Free memory was 54.6MB in the beginning and 53.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:48:28,349 INFO L158 Benchmark]: RCFGBuilder took 633.87ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 52.8MB in the beginning and 115.4MB in the end (delta: -62.5MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2023-11-19 07:48:28,351 INFO L158 Benchmark]: TraceAbstraction took 1093.18ms. Allocated memory is still 151.0MB. Free memory was 114.7MB in the beginning and 79.0MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-19 07:48:28,351 INFO L158 Benchmark]: Witness Printer took 6.46ms. Allocated memory is still 151.0MB. Free memory was 79.0MB in the beginning and 78.3MB in the end (delta: 723.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:48:28,356 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.99ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 56.6MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.02ms. Allocated memory is still 117.4MB. Free memory was 56.6MB in the beginning and 54.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.84ms. Allocated memory is still 117.4MB. Free memory was 54.6MB in the beginning and 53.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 633.87ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 52.8MB in the beginning and 115.4MB in the end (delta: -62.5MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1093.18ms. Allocated memory is still 151.0MB. Free memory was 114.7MB in the beginning and 79.0MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 6.46ms. Allocated memory is still 151.0MB. Free memory was 79.0MB in the beginning and 78.3MB in the end (delta: 723.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someUnaryDOUBLEoperation at line 28. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 100000000; [L23] float var_1_2 = 49.25; [L24] unsigned long int var_1_3 = 64; [L25] unsigned long int var_1_4 = 64; [L26] signed short int var_1_5 = 1; [L27] float var_1_6 = 8.4; [L28] float var_1_7 = -0.25; [L29] signed short int var_1_8 = -4; [L30] unsigned long int var_1_9 = 64; [L31] unsigned long int var_1_10 = 16; [L32] unsigned long int var_1_11 = 10; [L33] signed short int var_1_12 = 100; [L34] signed short int var_1_14 = 128; [L35] signed short int var_1_15 = 10; VAL [isInitial=0, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=197/4, var_1_3=64, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] FCALL updateLastVariables() [L108] CALL updateVariables() [L69] var_1_2 = __VERIFIER_nondet_float() [L70] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=64, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=64, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L70] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=64, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L71] var_1_3 = __VERIFIER_nondet_ulong() [L72] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L72] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L73] CALL assume_abort_if_not(var_1_3 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L73] RET assume_abort_if_not(var_1_3 <= 4294967294) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L74] var_1_4 = __VERIFIER_nondet_ulong() [L75] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L75] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L76] CALL assume_abort_if_not(var_1_4 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L76] RET assume_abort_if_not(var_1_4 <= 4294967294) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L77] var_1_6 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_8=-4, var_1_9=64] [L78] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_8=-4, var_1_9=64] [L79] var_1_7 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-4, var_1_9=64] [L80] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-4, var_1_9=64] [L81] var_1_8 = __VERIFIER_nondet_short() [L82] CALL assume_abort_if_not(var_1_8 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L82] RET assume_abort_if_not(var_1_8 >= -32767) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L83] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L83] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L84] var_1_10 = __VERIFIER_nondet_ulong() [L85] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L85] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L86] CALL assume_abort_if_not(var_1_10 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L86] RET assume_abort_if_not(var_1_10 <= 4294967294) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L87] var_1_11 = __VERIFIER_nondet_ulong() [L88] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L88] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L89] CALL assume_abort_if_not(var_1_11 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L89] RET assume_abort_if_not(var_1_11 <= 4294967294) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L90] var_1_14 = __VERIFIER_nondet_short() [L91] CALL assume_abort_if_not(var_1_14 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=-1, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=-1, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L91] RET assume_abort_if_not(var_1_14 >= -1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=-1, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L92] CALL assume_abort_if_not(var_1_14 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=-1, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=-1, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L92] RET assume_abort_if_not(var_1_14 <= 32766) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=-1, var_1_15=10, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L93] var_1_15 = __VERIFIER_nondet_short() [L94] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=-1, var_1_15=0, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=-1, var_1_15=0, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L94] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=-1, var_1_15=0, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L95] CALL assume_abort_if_not(var_1_15 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=-1, var_1_15=0, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=-1, var_1_15=0, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L95] RET assume_abort_if_not(var_1_15 <= 32766) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=-1, var_1_15=0, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L108] RET updateVariables() [L109] CALL step() [L39] COND FALSE !(var_1_2 >= 50.4f) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=-1, var_1_15=0, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=1, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L42] COND FALSE !(var_1_3 == (var_1_1 * var_1_4)) [L49] var_1_5 = var_1_8 VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=-1, var_1_15=0, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=-32767, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=64] [L51] COND TRUE ! (var_1_4 < var_1_3) [L52] var_1_9 = ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))))) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11)))))) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=-1, var_1_15=0, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=-32767, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=0] [L56] COND FALSE !(var_1_10 > var_1_9) [L65] var_1_12 = var_1_15 VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_14=-1, var_1_15=0, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=-32767, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=0] [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return ((((var_1_2 >= 50.4f) ? (var_1_1 == ((unsigned long int) ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) : 1) && ((var_1_3 == (var_1_1 * var_1_4)) ? ((var_1_2 >= (var_1_6 + var_1_7)) ? (var_1_5 == ((signed short int) var_1_8)) : (var_1_5 == ((signed short int) 32))) : (var_1_5 == ((signed short int) var_1_8)))) && ((! (var_1_4 < var_1_3)) ? (var_1_9 == ((unsigned long int) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))))) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11)))))))) : (var_1_9 == ((unsigned long int) ((((var_1_11) > (var_1_10)) ? (var_1_11) : (var_1_10))))))) && ((var_1_10 > var_1_9) ? ((63.1 >= var_1_7) ? ((var_1_7 >= var_1_2) ? (var_1_12 == ((signed short int) (var_1_14 - var_1_15))) : (var_1_12 == ((signed short int) var_1_14))) : 1) : (var_1_12 == ((signed short int) var_1_15))) ; VAL [\result=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_14=-1, var_1_15=0, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=-32767, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=0] [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_14=-1, var_1_15=0, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=-32767, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_14=-1, var_1_15=0, var_1_1=100000000, var_1_3=100000001, var_1_4=100000001, var_1_5=-32767, var_1_6=2, var_1_7=3, var_1_8=-32767, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, 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=53occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 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 [2023-11-19 07:48:28,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/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_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu --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 d6309e89b59d774d489fa719c310727c3028fbc925a23cebee2c14e16b155218 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:48:31,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:48:31,319 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 07:48:31,328 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:48:31,329 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:48:31,381 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:48:31,382 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:48:31,382 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:48:31,383 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:48:31,384 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:48:31,385 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:48:31,385 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:48:31,386 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:48:31,387 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:48:31,387 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:48:31,388 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:48:31,388 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:48:31,389 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:48:31,389 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:48:31,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:48:31,390 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:48:31,391 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:48:31,391 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:48:31,392 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:48:31,392 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:48:31,393 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:48:31,393 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:48:31,394 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:48:31,394 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:48:31,394 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:48:31,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:48:31,396 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:48:31,397 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:48:31,397 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:48:31,397 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:48:31,398 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:48:31,398 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:48:31,398 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:48:31,399 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:48:31,400 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:48:31,400 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:48:31,400 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:48:31,401 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_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6309e89b59d774d489fa719c310727c3028fbc925a23cebee2c14e16b155218 [2023-11-19 07:48:31,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:48:31,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:48:31,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:48:31,889 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:48:31,890 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:48:31,891 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.i [2023-11-19 07:48:35,306 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:48:35,596 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:48:35,596 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.i [2023-11-19 07:48:35,606 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/data/3e469149d/1802b40a63f24adc9a663ed2facdb07f/FLAGe56351072 [2023-11-19 07:48:35,621 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/data/3e469149d/1802b40a63f24adc9a663ed2facdb07f [2023-11-19 07:48:35,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:48:35,626 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:48:35,627 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:48:35,627 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:48:35,634 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:48:35,635 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:35,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1463f808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35, skipping insertion in model container [2023-11-19 07:48:35,636 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:35,681 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:48:35,857 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_8776806d-1256-4e88-9ecd-8f2c8033b447/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.i[917,930] [2023-11-19 07:48:35,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:48:35,971 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:48:35,991 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_8776806d-1256-4e88-9ecd-8f2c8033b447/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.i[917,930] [2023-11-19 07:48:36,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:48:36,044 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:48:36,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:36 WrapperNode [2023-11-19 07:48:36,045 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:48:36,047 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:48:36,048 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:48:36,048 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:48:36,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:36" (1/1) ... [2023-11-19 07:48:36,082 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:36" (1/1) ... [2023-11-19 07:48:36,131 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2023-11-19 07:48:36,133 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:48:36,134 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:48:36,134 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:48:36,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:48:36,144 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:36" (1/1) ... [2023-11-19 07:48:36,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:36" (1/1) ... [2023-11-19 07:48:36,167 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:36" (1/1) ... [2023-11-19 07:48:36,168 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:36" (1/1) ... [2023-11-19 07:48:36,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:36" (1/1) ... [2023-11-19 07:48:36,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:36" (1/1) ... [2023-11-19 07:48:36,194 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:36" (1/1) ... [2023-11-19 07:48:36,200 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:36" (1/1) ... [2023-11-19 07:48:36,204 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:48:36,213 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:48:36,213 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:48:36,214 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:48:36,215 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:36" (1/1) ... [2023-11-19 07:48:36,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:48:36,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:36,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:48:36,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:48:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:48:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:48:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:48:36,310 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:48:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:48:36,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:48:36,439 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:48:36,441 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:48:37,342 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:48:37,356 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:48:37,357 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:48:37,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:37 BoogieIcfgContainer [2023-11-19 07:48:37,361 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:48:37,363 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:48:37,363 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:48:37,367 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:48:37,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:48:35" (1/3) ... [2023-11-19 07:48:37,368 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17c4a34d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:37, skipping insertion in model container [2023-11-19 07:48:37,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:36" (2/3) ... [2023-11-19 07:48:37,368 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17c4a34d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:37, skipping insertion in model container [2023-11-19 07:48:37,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:37" (3/3) ... [2023-11-19 07:48:37,370 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-91.i [2023-11-19 07:48:37,386 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:48:37,386 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:48:37,429 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:48:37,435 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;@6fce68, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:48:37,436 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:48:37,440 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 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) [2023-11-19 07:48:37,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-19 07:48:37,453 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:37,454 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:37,454 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:48:37,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:37,460 INFO L85 PathProgramCache]: Analyzing trace with hash 123178100, now seen corresponding path program 1 times [2023-11-19 07:48:37,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:48:37,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1036239738] [2023-11-19 07:48:37,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:37,478 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 [2023-11-19 07:48:37,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:48:37,481 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:48:37,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8776806d-1256-4e88-9ecd-8f2c8033b447/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:48:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:37,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 07:48:37,792 INFO L285 TraceCheckSpWp]: Computing forward predicates...