./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme --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 88e82e90997623f17755cf4b0e74e4caa25dddf076fd59ee2ddcb63a8c826a1e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:47:30,432 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:47:30,505 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 10:47:30,511 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:47:30,512 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:47:30,538 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:47:30,538 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:47:30,539 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:47:30,540 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:47:30,541 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:47:30,542 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:47:30,542 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:47:30,543 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:47:30,544 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:47:30,545 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:47:30,545 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:47:30,546 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:47:30,552 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:47:30,553 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:47:30,554 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:47:30,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:47:30,556 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:47:30,556 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:47:30,557 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:47:30,557 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:47:30,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:47:30,558 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:47:30,559 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:47:30,560 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:47:30,561 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:47:30,562 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:47:30,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:47:30,563 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:47:30,563 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:47:30,564 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:47:30,564 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:47:30,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:47:30,565 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:47:30,565 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:47:30,565 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:47:30,566 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:47:30,566 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:47:30,566 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_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88e82e90997623f17755cf4b0e74e4caa25dddf076fd59ee2ddcb63a8c826a1e [2023-11-26 10:47:30,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:47:30,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:47:30,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:47:30,967 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:47:30,968 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:47:30,970 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-20.i [2023-11-26 10:47:34,160 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:47:34,361 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:47:34,361 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-20.i [2023-11-26 10:47:34,371 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/data/157c30d86/2c27fad4a48a404d8a8df121e6d9cf3c/FLAG598df07d2 [2023-11-26 10:47:34,389 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/data/157c30d86/2c27fad4a48a404d8a8df121e6d9cf3c [2023-11-26 10:47:34,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:47:34,401 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:47:34,403 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:47:34,403 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:47:34,412 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:47:34,413 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:47:34" (1/1) ... [2023-11-26 10:47:34,417 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eca5c37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:34, skipping insertion in model container [2023-11-26 10:47:34,417 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:47:34" (1/1) ... [2023-11-26 10:47:34,456 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:47:34,626 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_fdf564ee-c542-4678-83ec-76fa41b69a45/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-20.i[917,930] [2023-11-26 10:47:34,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:47:34,682 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:47:34,695 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_fdf564ee-c542-4678-83ec-76fa41b69a45/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-20.i[917,930] [2023-11-26 10:47:34,721 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:47:34,738 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:47:34,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:34 WrapperNode [2023-11-26 10:47:34,739 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:47:34,741 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:47:34,741 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:47:34,741 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:47:34,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:34" (1/1) ... [2023-11-26 10:47:34,760 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:34" (1/1) ... [2023-11-26 10:47:34,813 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2023-11-26 10:47:34,814 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:47:34,814 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:47:34,815 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:47:34,815 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:47:34,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:34" (1/1) ... [2023-11-26 10:47:34,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:34" (1/1) ... [2023-11-26 10:47:34,831 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:34" (1/1) ... [2023-11-26 10:47:34,846 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 10:47:34,846 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:34" (1/1) ... [2023-11-26 10:47:34,846 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:34" (1/1) ... [2023-11-26 10:47:34,854 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:34" (1/1) ... [2023-11-26 10:47:34,857 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:34" (1/1) ... [2023-11-26 10:47:34,860 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:34" (1/1) ... [2023-11-26 10:47:34,861 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:34" (1/1) ... [2023-11-26 10:47:34,865 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:47:34,866 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:47:34,866 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:47:34,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:47:34,867 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:34" (1/1) ... [2023-11-26 10:47:34,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:47:34,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:34,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:47:34,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:47:34,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:47:34,961 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:47:34,963 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:47:34,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:47:34,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:47:34,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:47:35,044 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:47:35,046 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:47:35,399 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:47:35,500 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:47:35,501 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:47:35,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:47:35 BoogieIcfgContainer [2023-11-26 10:47:35,502 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:47:35,505 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:47:35,505 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:47:35,510 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:47:35,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:47:34" (1/3) ... [2023-11-26 10:47:35,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@750419aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:47:35, skipping insertion in model container [2023-11-26 10:47:35,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:34" (2/3) ... [2023-11-26 10:47:35,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@750419aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:47:35, skipping insertion in model container [2023-11-26 10:47:35,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:47:35" (3/3) ... [2023-11-26 10:47:35,514 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-20.i [2023-11-26 10:47:35,537 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:47:35,537 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:47:35,611 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:47:35,622 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;@2d953f9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:47:35,623 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:47:35,629 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-26 10:47:35,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-26 10:47:35,654 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:35,655 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 1, 1, 1] [2023-11-26 10:47:35,656 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:35,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:35,664 INFO L85 PathProgramCache]: Analyzing trace with hash -229145093, now seen corresponding path program 1 times [2023-11-26 10:47:35,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:35,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349944120] [2023-11-26 10:47:35,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:35,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:36,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:47:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:36,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:47:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:36,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 10:47:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:36,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 10:47:36,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:36,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-26 10:47:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:36,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-26 10:47:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:36,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-26 10:47:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:36,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-26 10:47:36,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:36,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-26 10:47:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:36,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-26 10:47:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:36,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-26 10:47:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:36,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-26 10:47:36,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:36,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-26 10:47:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:36,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-26 10:47:36,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:36,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-26 10:47:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:36,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-26 10:47:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:36,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-26 10:47:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:36,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-26 10:47:36,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:36,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-26 10:47:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:36,166 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-26 10:47:36,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:36,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349944120] [2023-11-26 10:47:36,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349944120] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:36,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:36,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:47:36,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13718179] [2023-11-26 10:47:36,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:36,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:47:36,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:36,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:47:36,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:47:36,223 INFO L87 Difference]: Start difference. First operand has 51 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-26 10:47:36,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:36,316 INFO L93 Difference]: Finished difference Result 99 states and 171 transitions. [2023-11-26 10:47:36,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:47:36,319 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 117 [2023-11-26 10:47:36,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:36,329 INFO L225 Difference]: With dead ends: 99 [2023-11-26 10:47:36,329 INFO L226 Difference]: Without dead ends: 49 [2023-11-26 10:47:36,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:47:36,337 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:36,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:47:36,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-26 10:47:36,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-26 10:47:36,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-26 10:47:36,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 72 transitions. [2023-11-26 10:47:36,393 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 72 transitions. Word has length 117 [2023-11-26 10:47:36,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:36,393 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 72 transitions. [2023-11-26 10:47:36,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-26 10:47:36,394 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2023-11-26 10:47:36,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-26 10:47:36,398 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:36,398 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 1, 1, 1] [2023-11-26 10:47:36,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:47:36,399 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:36,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:36,400 INFO L85 PathProgramCache]: Analyzing trace with hash -430746639, now seen corresponding path program 1 times [2023-11-26 10:47:36,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:36,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299401123] [2023-11-26 10:47:36,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:36,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:47:36,539 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:47:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:47:36,760 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:47:36,760 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 10:47:36,762 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 10:47:36,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:47:36,768 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-26 10:47:36,772 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:47:36,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:47:36 BoogieIcfgContainer [2023-11-26 10:47:36,894 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:47:36,895 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:47:36,895 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:47:36,895 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:47:36,896 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:47:35" (3/4) ... [2023-11-26 10:47:36,898 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 10:47:36,899 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:47:36,900 INFO L158 Benchmark]: Toolchain (without parser) took 2498.34ms. Allocated memory is still 178.3MB. Free memory was 133.4MB in the beginning and 116.5MB in the end (delta: 16.9MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2023-11-26 10:47:36,900 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 178.3MB. Free memory is still 152.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:47:36,901 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.03ms. Allocated memory is still 178.3MB. Free memory was 133.4MB in the beginning and 120.4MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 10:47:36,902 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.03ms. Allocated memory is still 178.3MB. Free memory was 120.4MB in the beginning and 117.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:47:36,902 INFO L158 Benchmark]: Boogie Preprocessor took 50.87ms. Allocated memory is still 178.3MB. Free memory was 117.7MB in the beginning and 114.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:47:36,903 INFO L158 Benchmark]: RCFGBuilder took 635.64ms. Allocated memory is still 178.3MB. Free memory was 114.9MB in the beginning and 96.7MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 10:47:36,903 INFO L158 Benchmark]: TraceAbstraction took 1389.55ms. Allocated memory is still 178.3MB. Free memory was 96.0MB in the beginning and 117.5MB in the end (delta: -21.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:47:36,904 INFO L158 Benchmark]: Witness Printer took 4.39ms. Allocated memory is still 178.3MB. Free memory is still 116.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:47:36,907 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 178.3MB. Free memory is still 152.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.03ms. Allocated memory is still 178.3MB. Free memory was 133.4MB in the beginning and 120.4MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.03ms. Allocated memory is still 178.3MB. Free memory was 120.4MB in the beginning and 117.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.87ms. Allocated memory is still 178.3MB. Free memory was 117.7MB in the beginning and 114.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 635.64ms. Allocated memory is still 178.3MB. Free memory was 114.9MB in the beginning and 96.7MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1389.55ms. Allocated memory is still 178.3MB. Free memory was 96.0MB in the beginning and 117.5MB in the end (delta: -21.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.39ms. Allocated memory is still 178.3MB. Free memory is still 116.5MB. 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 103, overapproximation of someBinaryArithmeticDOUBLEoperation at line 46, overapproximation of someBinaryDOUBLEComparisonOperation at line 103, overapproximation of someBinaryArithmeticFLOAToperation at line 42. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 0.6; [L23] unsigned char var_1_2 = 0; [L24] float var_1_3 = 0.0; [L25] float var_1_4 = 2.95; [L26] float var_1_5 = 8.5; [L27] float var_1_6 = 999999999.4; [L28] double var_1_7 = 10.2; [L29] double var_1_8 = 4.6; [L30] unsigned long int var_1_9 = 256; [L31] unsigned char var_1_10 = 0; [L32] unsigned long int var_1_11 = 3724367395; [L33] unsigned long int var_1_12 = 25; [L34] unsigned long int var_1_13 = 1; [L35] unsigned char var_1_14 = 1; [L36] unsigned char var_1_15 = 128; [L37] unsigned char var_1_16 = 100; [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] FCALL updateLastVariables() [L111] CALL updateVariables() [L68] var_1_2 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_3=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_3=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L69] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_3=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L70] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_3=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_3=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L70] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_3=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L71] var_1_3 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_3 >= 4611686.018427382800e+12F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L72] RET assume_abort_if_not((var_1_3 >= 4611686.018427382800e+12F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L73] var_1_4 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_5=17/2, var_1_6=4999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_5=17/2, var_1_6=4999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L74] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_5=17/2, var_1_6=4999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L75] var_1_5 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_6=4999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_6=4999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L76] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_6=4999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L77] var_1_6 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L78] RET assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L79] var_1_8 = __VERIFIER_nondet_double() [L80] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L80] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L81] var_1_10 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L82] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L83] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L83] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L84] var_1_11 = __VERIFIER_nondet_ulong() [L85] CALL assume_abort_if_not(var_1_11 >= 3221225470) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L85] RET assume_abort_if_not(var_1_11 >= 3221225470) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L86] CALL assume_abort_if_not(var_1_11 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L86] RET assume_abort_if_not(var_1_11 <= 4294967294) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L87] var_1_12 = __VERIFIER_nondet_ulong() [L88] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L88] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L89] CALL assume_abort_if_not(var_1_12 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1073741823, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1073741823, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L89] RET assume_abort_if_not(var_1_12 <= 1073741823) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1073741823, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L90] var_1_13 = __VERIFIER_nondet_ulong() [L91] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1073741823, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1073741823, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L91] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1073741823, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L92] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L92] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L93] var_1_15 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_15 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=127, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=127, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L94] RET assume_abort_if_not(var_1_15 >= 127) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=127, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L95] CALL assume_abort_if_not(var_1_15 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=127, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=127, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L95] RET assume_abort_if_not(var_1_15 <= 254) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=127, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L96] var_1_16 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=127, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=127, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L97] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=127, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L98] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=127, var_1_16=127, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=127, var_1_16=127, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L98] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=127, var_1_16=127, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L111] RET updateVariables() [L112] CALL step() [L41] COND TRUE \read(var_1_2) [L42] var_1_1 = ((var_1_3 - var_1_4) - var_1_5) VAL [isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=127, var_1_16=127, var_1_2=1, var_1_7=51/5, var_1_9=256] [L46] var_1_7 = ((15.5 + var_1_4) - (var_1_3 - var_1_8)) [L47] unsigned long int stepLocal_2 = var_1_13; [L48] signed long int stepLocal_1 = 5; VAL [isInitial=1, stepLocal_1=5, stepLocal_2=0, var_1_10=1, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=127, var_1_16=127, var_1_2=1, var_1_9=256] [L49] COND FALSE !(stepLocal_1 >= var_1_11) VAL [isInitial=1, stepLocal_1=5, stepLocal_2=0, var_1_10=1, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=127, var_1_16=127, var_1_2=1, var_1_9=256] [L60] unsigned char stepLocal_0 = var_1_2; VAL [isInitial=1, stepLocal_0=1, stepLocal_1=5, stepLocal_2=0, var_1_10=1, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=127, var_1_16=127, var_1_2=1, var_1_9=256] [L61] COND TRUE var_1_10 || stepLocal_0 [L62] var_1_9 = ((var_1_11 - var_1_14) - var_1_14) VAL [isInitial=1, stepLocal_0=1, stepLocal_1=5, stepLocal_2=0, var_1_10=1, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=127, var_1_16=127, var_1_2=1, var_1_9=3221225468] [L112] RET step() [L113] CALL, EXPR property() [L103-L104] return (((var_1_2 ? (var_1_1 == ((float) ((var_1_3 - var_1_4) - var_1_5))) : (var_1_1 == ((float) (var_1_4 + var_1_6)))) && (var_1_7 == ((double) ((15.5 + var_1_4) - (var_1_3 - var_1_8))))) && ((var_1_10 || var_1_2) ? (var_1_9 == ((unsigned long int) ((var_1_11 - var_1_14) - var_1_14))) : (var_1_9 == ((unsigned long int) (var_1_14 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))))))) && ((5 >= var_1_11) ? ((var_1_1 >= var_1_8) ? (var_1_14 == ((unsigned char) (128 - 16))) : ((var_1_13 >= ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) ? (var_1_14 == ((unsigned char) (var_1_15 - var_1_16))) : (var_1_14 == ((unsigned char) var_1_16)))) : 1) ; [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=127, var_1_16=127, var_1_2=1, var_1_9=3221225468] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=127, var_1_16=127, var_1_2=1, var_1_9=3221225468] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 69 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 69 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 234 NumberOfCodeBlocks, 234 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 116 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 684/684 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 [2023-11-26 10:47:36,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme --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 88e82e90997623f17755cf4b0e74e4caa25dddf076fd59ee2ddcb63a8c826a1e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:47:39,560 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:47:39,669 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 10:47:39,678 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:47:39,679 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:47:39,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:47:39,730 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:47:39,730 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:47:39,732 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:47:39,736 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:47:39,737 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:47:39,737 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:47:39,738 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:47:39,740 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:47:39,740 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:47:39,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:47:39,742 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:47:39,742 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:47:39,742 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:47:39,743 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:47:39,744 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:47:39,745 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:47:39,745 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:47:39,745 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 10:47:39,746 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 10:47:39,746 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 10:47:39,747 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:47:39,747 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:47:39,748 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:47:39,748 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:47:39,750 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:47:39,750 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:47:39,750 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:47:39,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:47:39,751 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:47:39,751 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:47:39,752 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:47:39,752 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 10:47:39,753 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 10:47:39,753 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:47:39,753 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:47:39,754 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:47:39,754 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:47:39,754 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:47:39,755 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 10:47:39,755 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_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88e82e90997623f17755cf4b0e74e4caa25dddf076fd59ee2ddcb63a8c826a1e [2023-11-26 10:47:40,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:47:40,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:47:40,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:47:40,161 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:47:40,161 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:47:40,163 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-20.i [2023-11-26 10:47:43,317 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:47:43,593 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:47:43,594 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-20.i [2023-11-26 10:47:43,604 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/data/7eefaa546/748b7805ca624dff99ae6fd8dee20fff/FLAG798aa1565 [2023-11-26 10:47:43,619 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/data/7eefaa546/748b7805ca624dff99ae6fd8dee20fff [2023-11-26 10:47:43,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:47:43,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:47:43,627 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:47:43,628 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:47:43,634 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:47:43,635 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:47:43" (1/1) ... [2023-11-26 10:47:43,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a41dc5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:43, skipping insertion in model container [2023-11-26 10:47:43,636 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:47:43" (1/1) ... [2023-11-26 10:47:43,685 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:47:43,916 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_fdf564ee-c542-4678-83ec-76fa41b69a45/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-20.i[917,930] [2023-11-26 10:47:43,998 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:47:44,024 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:47:44,048 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_fdf564ee-c542-4678-83ec-76fa41b69a45/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-20.i[917,930] [2023-11-26 10:47:44,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:47:44,112 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:47:44,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:44 WrapperNode [2023-11-26 10:47:44,113 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:47:44,114 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:47:44,114 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:47:44,114 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:47:44,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:44" (1/1) ... [2023-11-26 10:47:44,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:44" (1/1) ... [2023-11-26 10:47:44,198 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2023-11-26 10:47:44,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:47:44,199 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:47:44,199 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:47:44,199 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:47:44,213 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:44" (1/1) ... [2023-11-26 10:47:44,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:44" (1/1) ... [2023-11-26 10:47:44,233 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:44" (1/1) ... [2023-11-26 10:47:44,268 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 10:47:44,269 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:44" (1/1) ... [2023-11-26 10:47:44,269 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:44" (1/1) ... [2023-11-26 10:47:44,294 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:44" (1/1) ... [2023-11-26 10:47:44,298 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:44" (1/1) ... [2023-11-26 10:47:44,306 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:44" (1/1) ... [2023-11-26 10:47:44,308 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:44" (1/1) ... [2023-11-26 10:47:44,317 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:47:44,318 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:47:44,318 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:47:44,319 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:47:44,319 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:44" (1/1) ... [2023-11-26 10:47:44,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:47:44,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:44,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:47:44,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:47:44,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:47:44,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 10:47:44,492 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:47:44,493 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:47:44,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:47:44,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:47:44,642 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:47:44,645 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:47:53,390 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:47:53,454 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:47:53,455 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:47:53,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:47:53 BoogieIcfgContainer [2023-11-26 10:47:53,456 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:47:53,458 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:47:53,459 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:47:53,462 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:47:53,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:47:43" (1/3) ... [2023-11-26 10:47:53,464 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b40467a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:47:53, skipping insertion in model container [2023-11-26 10:47:53,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:44" (2/3) ... [2023-11-26 10:47:53,464 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b40467a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:47:53, skipping insertion in model container [2023-11-26 10:47:53,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:47:53" (3/3) ... [2023-11-26 10:47:53,466 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-20.i [2023-11-26 10:47:53,487 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:47:53,487 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:47:53,540 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:47:53,547 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;@7f7139c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:47:53,548 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:47:53,552 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-26 10:47:53,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-26 10:47:53,568 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:53,569 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 1, 1, 1] [2023-11-26 10:47:53,569 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:53,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:53,575 INFO L85 PathProgramCache]: Analyzing trace with hash -229145093, now seen corresponding path program 1 times [2023-11-26 10:47:53,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:47:53,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [961603487] [2023-11-26 10:47:53,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:53,591 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 [2023-11-26 10:47:53,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:47:53,594 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 10:47:53,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:47:54,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:54,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 10:47:54,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:54,294 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2023-11-26 10:47:54,295 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:54,295 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:47:54,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [961603487] [2023-11-26 10:47:54,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [961603487] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:54,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:54,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:47:54,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902828855] [2023-11-26 10:47:54,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:54,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:47:54,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:47:54,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:47:54,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:47:54,339 INFO L87 Difference]: Start difference. First operand has 51 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-26 10:47:58,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 10:47:58,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:58,530 INFO L93 Difference]: Finished difference Result 99 states and 171 transitions. [2023-11-26 10:47:58,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:47:58,581 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 117 [2023-11-26 10:47:58,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:58,589 INFO L225 Difference]: With dead ends: 99 [2023-11-26 10:47:58,589 INFO L226 Difference]: Without dead ends: 49 [2023-11-26 10:47:58,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:47:58,598 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:58,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2023-11-26 10:47:58,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-26 10:47:58,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-26 10:47:58,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-26 10:47:58,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 72 transitions. [2023-11-26 10:47:58,678 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 72 transitions. Word has length 117 [2023-11-26 10:47:58,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:58,678 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 72 transitions. [2023-11-26 10:47:58,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-26 10:47:58,679 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2023-11-26 10:47:58,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-26 10:47:58,686 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:58,687 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 1, 1, 1] [2023-11-26 10:47:58,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:58,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:47:58,888 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:58,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:58,889 INFO L85 PathProgramCache]: Analyzing trace with hash -430746639, now seen corresponding path program 1 times [2023-11-26 10:47:58,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:47:58,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [335451025] [2023-11-26 10:47:58,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:58,890 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 [2023-11-26 10:47:58,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:47:58,918 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 10:47:58,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf564ee-c542-4678-83ec-76fa41b69a45/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-26 10:47:59,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:59,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-26 10:47:59,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:29,538 WARN L293 SmtUtils]: Spent 6.70s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)