./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC --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 d503c282d85243d142373f18b0a752b2216884ab0cd5bf171a1a20688d28f7ae --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:20:35,424 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:20:35,518 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 00:20:35,524 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:20:35,524 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:20:35,551 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:20:35,552 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:20:35,552 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:20:35,552 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:20:35,553 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:20:35,553 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:20:35,553 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:20:35,554 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:20:35,554 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:20:35,554 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:20:35,554 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:20:35,554 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:20:35,555 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:20:35,555 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:20:35,555 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:20:35,555 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:20:35,555 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:20:35,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:20:35,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:20:35,556 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:20:35,556 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:20:35,556 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:20:35,556 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:20:35,556 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:20:35,556 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:20:35,556 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:20:35,556 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:20:35,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:20:35,557 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:20:35,557 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:20:35,557 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:20:35,557 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:20:35,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:20:35,557 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:20:35,557 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:20:35,558 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:20:35,558 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:20:35,558 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:20:35,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:20:35,558 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:20:35,559 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:20:35,559 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:20:35,559 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:20:35,559 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC 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 -> d503c282d85243d142373f18b0a752b2216884ab0cd5bf171a1a20688d28f7ae [2024-11-24 00:20:35,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:20:35,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:20:35,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:20:35,905 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:20:35,905 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:20:35,907 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i [2024-11-24 00:20:39,280 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/data/98957ba0b/06cb009cc2ea433fb91983b19d9229de/FLAG1700bcd8f [2024-11-24 00:20:39,612 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:20:39,615 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i [2024-11-24 00:20:39,635 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/data/98957ba0b/06cb009cc2ea433fb91983b19d9229de/FLAG1700bcd8f [2024-11-24 00:20:39,862 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/data/98957ba0b/06cb009cc2ea433fb91983b19d9229de [2024-11-24 00:20:39,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:20:39,865 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:20:39,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:20:39,867 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:20:39,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:20:39,872 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:20:39" (1/1) ... [2024-11-24 00:20:39,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29ad7792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:39, skipping insertion in model container [2024-11-24 00:20:39,873 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:20:39" (1/1) ... [2024-11-24 00:20:39,890 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:20:40,067 WARN L250 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_84b9d995-5122-4ee0-a7cc-977bed7e13d0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i[917,930] [2024-11-24 00:20:40,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:20:40,152 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:20:40,162 WARN L250 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_84b9d995-5122-4ee0-a7cc-977bed7e13d0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i[917,930] [2024-11-24 00:20:40,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:20:40,198 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:20:40,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:40 WrapperNode [2024-11-24 00:20:40,199 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:20:40,200 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:20:40,200 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:20:40,200 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:20:40,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:40" (1/1) ... [2024-11-24 00:20:40,221 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:40" (1/1) ... [2024-11-24 00:20:40,250 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2024-11-24 00:20:40,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:20:40,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:20:40,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:20:40,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:20:40,260 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:40" (1/1) ... [2024-11-24 00:20:40,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:40" (1/1) ... [2024-11-24 00:20:40,265 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:40" (1/1) ... [2024-11-24 00:20:40,276 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]. [2024-11-24 00:20:40,277 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:40" (1/1) ... [2024-11-24 00:20:40,277 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:40" (1/1) ... [2024-11-24 00:20:40,282 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:40" (1/1) ... [2024-11-24 00:20:40,283 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:40" (1/1) ... [2024-11-24 00:20:40,285 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:40" (1/1) ... [2024-11-24 00:20:40,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:40" (1/1) ... [2024-11-24 00:20:40,287 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:40" (1/1) ... [2024-11-24 00:20:40,289 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:20:40,290 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:20:40,290 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:20:40,290 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:20:40,291 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:40" (1/1) ... [2024-11-24 00:20:40,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:20:40,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:20:40,330 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:20:40,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:20:40,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:20:40,360 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:20:40,360 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:20:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:20:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:20:40,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:20:40,443 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:20:40,445 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:20:40,697 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-24 00:20:40,697 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:20:40,708 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:20:40,708 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:20:40,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:20:40 BoogieIcfgContainer [2024-11-24 00:20:40,709 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:20:40,711 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:20:40,711 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:20:40,716 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:20:40,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:20:39" (1/3) ... [2024-11-24 00:20:40,717 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1267c851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:20:40, skipping insertion in model container [2024-11-24 00:20:40,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:40" (2/3) ... [2024-11-24 00:20:40,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1267c851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:20:40, skipping insertion in model container [2024-11-24 00:20:40,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:20:40" (3/3) ... [2024-11-24 00:20:40,719 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-99.i [2024-11-24 00:20:40,735 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:20:40,737 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-99.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:20:40,809 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:20:40,823 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@71332408, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:20:40,823 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:20:40,828 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 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) [2024-11-24 00:20:40,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-24 00:20:40,841 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:20:40,842 INFO L218 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, 1, 1, 1] [2024-11-24 00:20:40,842 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:20:40,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:20:40,850 INFO L85 PathProgramCache]: Analyzing trace with hash 195872303, now seen corresponding path program 1 times [2024-11-24 00:20:40,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:20:40,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504195941] [2024-11-24 00:20:40,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:20:40,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:20:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:20:41,195 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-24 00:20:41,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:20:41,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504195941] [2024-11-24 00:20:41,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504195941] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:20:41,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031980637] [2024-11-24 00:20:41,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:20:41,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:20:41,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:20:41,199 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:20:41,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:20:41,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:20:41,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:20:41,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:20:41,461 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-24 00:20:41,462 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:20:41,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031980637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:20:41,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:20:41,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 00:20:41,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761346805] [2024-11-24 00:20:41,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:20:41,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:20:41,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:20:41,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:20:41,486 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:20:41,488 INFO L87 Difference]: Start difference. First operand has 56 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 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 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 00:20:41,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:20:41,517 INFO L93 Difference]: Finished difference Result 105 states and 177 transitions. [2024-11-24 00:20:41,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:20:41,519 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (19), 2 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 120 [2024-11-24 00:20:41,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:20:41,528 INFO L225 Difference]: With dead ends: 105 [2024-11-24 00:20:41,528 INFO L226 Difference]: Without dead ends: 52 [2024-11-24 00:20:41,532 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:20:41,535 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:20:41,536 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:20:41,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-24 00:20:41,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-24 00:20:41,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 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) [2024-11-24 00:20:41,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2024-11-24 00:20:41,619 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 120 [2024-11-24 00:20:41,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:20:41,619 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2024-11-24 00:20:41,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 00:20:41,620 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2024-11-24 00:20:41,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-24 00:20:41,624 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:20:41,624 INFO L218 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, 1, 1, 1] [2024-11-24 00:20:41,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-24 00:20:41,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 00:20:41,825 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:20:41,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:20:41,826 INFO L85 PathProgramCache]: Analyzing trace with hash -2017633295, now seen corresponding path program 1 times [2024-11-24 00:20:41,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:20:41,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805026093] [2024-11-24 00:20:41,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:20:41,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:20:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 00:20:42,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1763813129] [2024-11-24 00:20:42,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:20:42,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:20:42,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:20:42,057 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:20:42,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 00:20:42,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:20:42,258 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:20:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:20:42,417 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 00:20:42,418 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 00:20:42,419 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:20:42,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 00:20:42,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:20:42,625 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-24 00:20:42,706 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:20:42,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:20:42 BoogieIcfgContainer [2024-11-24 00:20:42,709 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:20:42,710 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:20:42,710 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:20:42,710 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:20:42,711 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:20:40" (3/4) ... [2024-11-24 00:20:42,714 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 00:20:42,715 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:20:42,715 INFO L158 Benchmark]: Toolchain (without parser) took 2850.20ms. Allocated memory is still 167.8MB. Free memory was 129.6MB in the beginning and 95.8MB in the end (delta: 33.9MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-11-24 00:20:42,716 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:20:42,716 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.54ms. Allocated memory is still 167.8MB. Free memory was 129.6MB in the beginning and 116.7MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:20:42,716 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.56ms. Allocated memory is still 167.8MB. Free memory was 116.7MB in the beginning and 114.9MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:20:42,717 INFO L158 Benchmark]: Boogie Preprocessor took 38.74ms. Allocated memory is still 167.8MB. Free memory was 114.6MB in the beginning and 112.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:20:42,717 INFO L158 Benchmark]: RCFGBuilder took 418.86ms. Allocated memory is still 167.8MB. Free memory was 112.5MB in the beginning and 97.4MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:20:42,717 INFO L158 Benchmark]: TraceAbstraction took 1998.35ms. Allocated memory is still 167.8MB. Free memory was 97.1MB in the beginning and 95.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:20:42,718 INFO L158 Benchmark]: Witness Printer took 4.50ms. Allocated memory is still 167.8MB. Free memory was 95.8MB in the beginning and 95.8MB in the end (delta: 41.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:20:42,720 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.54ms. Allocated memory is still 167.8MB. Free memory was 129.6MB in the beginning and 116.7MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.56ms. Allocated memory is still 167.8MB. Free memory was 116.7MB in the beginning and 114.9MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.74ms. Allocated memory is still 167.8MB. Free memory was 114.6MB in the beginning and 112.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 418.86ms. Allocated memory is still 167.8MB. Free memory was 112.5MB in the beginning and 97.4MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1998.35ms. Allocated memory is still 167.8MB. Free memory was 97.1MB in the beginning and 95.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.50ms. Allocated memory is still 167.8MB. Free memory was 95.8MB in the beginning and 95.8MB in the end (delta: 41.5kB). 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 48, overapproximation of someBinaryFLOATComparisonOperation at line 78, overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of someBinaryFLOATComparisonOperation at line 73, overapproximation of someBinaryFLOATComparisonOperation at line 71, overapproximation of someBinaryFLOATComparisonOperation at line 54, overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of someBinaryArithmeticFLOAToperation at line 42. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 255.5; [L23] unsigned char var_1_2 = 16; [L24] float var_1_4 = 2000000000.6; [L25] float var_1_5 = 500.5; [L26] float var_1_6 = 999999999.5; [L27] unsigned char var_1_7 = 1; [L28] float var_1_8 = 127.25; [L29] float var_1_9 = 4.8; [L30] float var_1_10 = 0.4; [L31] signed long int var_1_11 = 0; [L32] signed long int var_1_12 = 256; [L33] signed long int var_1_13 = 25; [L34] signed long int var_1_14 = -5; [L35] signed short int var_1_15 = 2; [L36] signed long int var_1_16 = -50; VAL [isInitial=0, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=16, var_1_4=10000000003/5, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L104] isInitial = 1 [L105] FCALL initially() [L107] FCALL updateLastVariables() [L108] CALL updateVariables() [L65] var_1_2 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_4=10000000003/5, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_4=10000000003/5, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L66] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_4=10000000003/5, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L67] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_4=10000000003/5, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_4=10000000003/5, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L67] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_4=10000000003/5, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L68] var_1_4 = __VERIFIER_nondet_float() [L69] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L69] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L70] var_1_5 = __VERIFIER_nondet_float() [L71] 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=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L71] 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=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L72] var_1_6 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L73] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L74] var_1_7 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_8=509/4, var_1_9=24/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_8=509/4, var_1_9=24/5] [L75] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_8=509/4, var_1_9=24/5] [L76] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L76] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L77] var_1_8 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && 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=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1, var_1_9=24/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1, var_1_9=24/5] [L78] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1, var_1_9=24/5] [L79] var_1_9 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L80] RET assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L81] var_1_10 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L82] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L83] var_1_12 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_12 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L84] RET assume_abort_if_not(var_1_12 >= -1) VAL [isInitial=1, var_1_11=0, var_1_12=1, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L85] CALL assume_abort_if_not(var_1_12 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L85] RET assume_abort_if_not(var_1_12 <= 2147483646) VAL [isInitial=1, var_1_11=0, var_1_12=1, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L86] var_1_13 = __VERIFIER_nondet_long() [L87] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L87] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L88] CALL assume_abort_if_not(var_1_13 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L88] RET assume_abort_if_not(var_1_13 <= 2147483646) VAL [isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L89] var_1_15 = __VERIFIER_nondet_short() [L90] CALL assume_abort_if_not(var_1_15 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L90] RET assume_abort_if_not(var_1_15 >= -32768) VAL [isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L91] CALL assume_abort_if_not(var_1_15 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L91] RET assume_abort_if_not(var_1_15 <= 32767) VAL [isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L92] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L92] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L93] var_1_16 = __VERIFIER_nondet_long() [L94] CALL assume_abort_if_not(var_1_16 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-1, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-1, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L94] RET assume_abort_if_not(var_1_16 >= -1073741823) VAL [isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-1, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L95] CALL assume_abort_if_not(var_1_16 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-1, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-1, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L95] RET assume_abort_if_not(var_1_16 <= 1073741823) VAL [isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-1, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L108] RET updateVariables() [L109] CALL step() [L40] signed long int stepLocal_0 = (((8) < 0 ) ? -(8) : (8)); VAL [isInitial=1, stepLocal_0=8, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-1, var_1_1=511/2, var_1_2=-255, var_1_7=1] [L41] COND TRUE (((((200) < (128)) ? (200) : (128))) - var_1_2) > stepLocal_0 [L42] var_1_1 = (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))) - var_1_6) VAL [isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-1, var_1_2=-255, var_1_7=1] [L48] COND TRUE (var_1_5 + var_1_6) == var_1_1 [L49] var_1_11 = (((((var_1_2) < (var_1_12)) ? (var_1_2) : (var_1_12))) - var_1_13) VAL [isInitial=1, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-1, var_1_2=-255, var_1_7=1] [L53] signed long int stepLocal_1 = var_1_12 % var_1_15; VAL [isInitial=1, stepLocal_1=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-1, var_1_2=-255, var_1_7=1] [L54] COND TRUE var_1_9 == var_1_4 [L55] var_1_14 = var_1_13 VAL [isInitial=1, stepLocal_1=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=-1, var_1_2=-255, var_1_7=1] [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return ((((((((200) < (128)) ? (200) : (128))) - var_1_2) > ((((8) < 0 ) ? -(8) : (8)))) ? (var_1_1 == ((float) (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))) - var_1_6))) : (var_1_7 ? (var_1_1 == ((float) (((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))) + var_1_10))) : 1)) && (((var_1_5 + var_1_6) == var_1_1) ? (var_1_11 == ((signed long int) (((((var_1_2) < (var_1_12)) ? (var_1_2) : (var_1_12))) - var_1_13))) : (var_1_11 == ((signed long int) var_1_13)))) && ((var_1_9 == var_1_4) ? (var_1_14 == ((signed long int) var_1_13)) : (((var_1_12 % var_1_15) != var_1_13) ? (var_1_14 == ((signed long int) ((((((var_1_15 + var_1_2) + var_1_16)) > (var_1_13)) ? (((var_1_15 + var_1_2) + var_1_16)) : (var_1_13))))) : (var_1_14 == ((signed long int) var_1_16)))) ; VAL [\result=0, isInitial=1, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=-1, var_1_2=-255, var_1_7=1] [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=-1, var_1_2=-255, var_1_7=1] [L19] reach_error() VAL [isInitial=1, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=-1, var_1_2=-255, var_1_7=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 2, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 75 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 480 NumberOfCodeBlocks, 480 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 238 ConstructedInterpolants, 0 QuantifiedInterpolants, 238 SizeOfPredicates, 0 NumberOfNonLiveVariables, 268 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1332/1368 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 00:20:42,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC --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 d503c282d85243d142373f18b0a752b2216884ab0cd5bf171a1a20688d28f7ae --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:20:45,661 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:20:45,814 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 00:20:45,821 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:20:45,821 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:20:45,848 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:20:45,849 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:20:45,849 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:20:45,849 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:20:45,849 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:20:45,849 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:20:45,850 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:20:45,850 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:20:45,850 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:20:45,850 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:20:45,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:20:45,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:20:45,851 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:20:45,851 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:20:45,851 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:20:45,851 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:20:45,851 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:20:45,851 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:20:45,851 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 00:20:45,852 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 00:20:45,852 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 00:20:45,852 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:20:45,852 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:20:45,852 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:20:45,852 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:20:45,852 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:20:45,852 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:20:45,852 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:20:45,853 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:20:45,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:20:45,853 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:20:45,853 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:20:45,853 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:20:45,853 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:20:45,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:20:45,853 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:20:45,854 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:20:45,854 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:20:45,854 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:20:45,854 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 00:20:45,854 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 00:20:45,854 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:20:45,854 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:20:45,854 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:20:45,854 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:20:45,854 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC 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 -> d503c282d85243d142373f18b0a752b2216884ab0cd5bf171a1a20688d28f7ae [2024-11-24 00:20:46,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:20:46,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:20:46,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:20:46,246 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:20:46,247 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:20:46,249 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i [2024-11-24 00:20:49,445 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/data/3a787eace/74732b9fede74af185c39aa0455fe989/FLAG8da332945 [2024-11-24 00:20:49,772 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:20:49,773 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i [2024-11-24 00:20:49,788 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/data/3a787eace/74732b9fede74af185c39aa0455fe989/FLAG8da332945 [2024-11-24 00:20:50,029 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/data/3a787eace/74732b9fede74af185c39aa0455fe989 [2024-11-24 00:20:50,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:20:50,035 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:20:50,037 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:20:50,039 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:20:50,045 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:20:50,046 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:20:50" (1/1) ... [2024-11-24 00:20:50,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dbd2daa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:50, skipping insertion in model container [2024-11-24 00:20:50,048 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:20:50" (1/1) ... [2024-11-24 00:20:50,075 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:20:50,262 WARN L250 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_84b9d995-5122-4ee0-a7cc-977bed7e13d0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i[917,930] [2024-11-24 00:20:50,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:20:50,343 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:20:50,354 WARN L250 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_84b9d995-5122-4ee0-a7cc-977bed7e13d0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i[917,930] [2024-11-24 00:20:50,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:20:50,400 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:20:50,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:50 WrapperNode [2024-11-24 00:20:50,401 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:20:50,402 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:20:50,402 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:20:50,403 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:20:50,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:50" (1/1) ... [2024-11-24 00:20:50,428 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:50" (1/1) ... [2024-11-24 00:20:50,466 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2024-11-24 00:20:50,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:20:50,467 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:20:50,467 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:20:50,467 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:20:50,489 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:50" (1/1) ... [2024-11-24 00:20:50,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:50" (1/1) ... [2024-11-24 00:20:50,495 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:50" (1/1) ... [2024-11-24 00:20:50,520 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]. [2024-11-24 00:20:50,521 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:50" (1/1) ... [2024-11-24 00:20:50,521 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:50" (1/1) ... [2024-11-24 00:20:50,536 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:50" (1/1) ... [2024-11-24 00:20:50,540 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:50" (1/1) ... [2024-11-24 00:20:50,547 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:50" (1/1) ... [2024-11-24 00:20:50,551 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:50" (1/1) ... [2024-11-24 00:20:50,552 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:50" (1/1) ... [2024-11-24 00:20:50,557 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:20:50,561 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:20:50,562 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:20:50,562 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:20:50,563 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:50" (1/1) ... [2024-11-24 00:20:50,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:20:50,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:20:50,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:20:50,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:20:50,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:20:50,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 00:20:50,640 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:20:50,640 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:20:50,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:20:50,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:20:50,730 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:20:50,732 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:20:52,316 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-24 00:20:52,316 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:20:52,327 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:20:52,327 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:20:52,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:20:52 BoogieIcfgContainer [2024-11-24 00:20:52,328 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:20:52,331 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:20:52,331 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:20:52,336 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:20:52,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:20:50" (1/3) ... [2024-11-24 00:20:52,337 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a9c0cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:20:52, skipping insertion in model container [2024-11-24 00:20:52,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:50" (2/3) ... [2024-11-24 00:20:52,337 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a9c0cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:20:52, skipping insertion in model container [2024-11-24 00:20:52,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:20:52" (3/3) ... [2024-11-24 00:20:52,339 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-99.i [2024-11-24 00:20:52,352 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:20:52,354 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-99.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:20:52,411 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:20:52,447 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@1801da29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:20:52,447 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:20:52,452 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 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) [2024-11-24 00:20:52,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-24 00:20:52,465 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:20:52,466 INFO L218 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, 1, 1, 1] [2024-11-24 00:20:52,467 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:20:52,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:20:52,473 INFO L85 PathProgramCache]: Analyzing trace with hash 195872303, now seen corresponding path program 1 times [2024-11-24 00:20:52,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:20:52,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1327377491] [2024-11-24 00:20:52,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:20:52,488 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:20:52,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:20:52,494 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:20:52,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-24 00:20:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:20:52,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:20:52,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:20:53,009 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2024-11-24 00:20:53,009 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:20:53,009 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:20:53,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1327377491] [2024-11-24 00:20:53,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1327377491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:20:53,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:20:53,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:20:53,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489126828] [2024-11-24 00:20:53,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:20:53,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:20:53,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:20:53,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:20:53,042 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:20:53,045 INFO L87 Difference]: Start difference. First operand has 56 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 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 16.0) internal successors, (32), 2 states have internal predecessors, (32), 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) [2024-11-24 00:20:53,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:20:53,084 INFO L93 Difference]: Finished difference Result 105 states and 177 transitions. [2024-11-24 00:20:53,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:20:53,086 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 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 120 [2024-11-24 00:20:53,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:20:53,097 INFO L225 Difference]: With dead ends: 105 [2024-11-24 00:20:53,098 INFO L226 Difference]: Without dead ends: 52 [2024-11-24 00:20:53,102 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:20:53,107 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:20:53,110 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:20:53,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-24 00:20:53,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-24 00:20:53,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 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) [2024-11-24 00:20:53,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2024-11-24 00:20:53,174 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 120 [2024-11-24 00:20:53,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:20:53,175 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2024-11-24 00:20:53,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 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) [2024-11-24 00:20:53,176 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2024-11-24 00:20:53,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-24 00:20:53,184 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:20:53,184 INFO L218 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, 1, 1, 1] [2024-11-24 00:20:53,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/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)] Ended with exit code 0 [2024-11-24 00:20:53,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:20:53,386 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:20:53,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:20:53,388 INFO L85 PathProgramCache]: Analyzing trace with hash -2017633295, now seen corresponding path program 1 times [2024-11-24 00:20:53,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:20:53,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1943856812] [2024-11-24 00:20:53,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:20:53,390 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:20:53,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:20:53,394 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:20:53,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b9d995-5122-4ee0-a7cc-977bed7e13d0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-24 00:20:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:20:53,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-24 00:20:53,944 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:21:26,884 WARN L286 SmtUtils]: Spent 7.92s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 00:22:24,588 WARN L286 SmtUtils]: Spent 10.00s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)