./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-23.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-23.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1 --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 7e20287594d7bda057cc8987462fe4bc20fb41928eadfc70690547ace3b60f57 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:09:00,456 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:09:00,511 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 10:09:00,516 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:09:00,517 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:09:00,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:09:00,538 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:09:00,538 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:09:00,538 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:09:00,538 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:09:00,538 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:09:00,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:09:00,539 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:09:00,539 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:09:00,539 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:09:00,539 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:09:00,539 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:09:00,539 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:09:00,539 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:09:00,539 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:09:00,540 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:09:00,540 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:09:00,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:09:00,540 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:09:00,540 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:09:00,540 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:09:00,540 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:09:00,540 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:09:00,540 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:09:00,540 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:09:00,540 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:09:00,540 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:09:00,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:09:00,541 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:09:00,541 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:09:00,541 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:09:00,541 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:09:00,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:09:00,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:09:00,541 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:09:00,541 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:09:00,541 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:09:00,541 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 10:09:00,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 10:09:00,542 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:09:00,542 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:09:00,542 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:09:00,542 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:09:00,542 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_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1 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 -> 7e20287594d7bda057cc8987462fe4bc20fb41928eadfc70690547ace3b60f57 [2024-12-02 10:09:00,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:09:00,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:09:00,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:09:00,795 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:09:00,795 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:09:00,796 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-23.i [2024-12-02 10:09:03,430 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/data/c9fe1d9b5/d5a6c0fd84874be69f20968b6f3ec0bd/FLAGb1a07759d [2024-12-02 10:09:03,627 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:09:03,628 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-23.i [2024-12-02 10:09:03,635 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/data/c9fe1d9b5/d5a6c0fd84874be69f20968b6f3ec0bd/FLAGb1a07759d [2024-12-02 10:09:03,647 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/data/c9fe1d9b5/d5a6c0fd84874be69f20968b6f3ec0bd [2024-12-02 10:09:03,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:09:03,650 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:09:03,651 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:09:03,651 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:09:03,654 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:09:03,655 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:09:03" (1/1) ... [2024-12-02 10:09:03,655 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25d0d404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:03, skipping insertion in model container [2024-12-02 10:09:03,655 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:09:03" (1/1) ... [2024-12-02 10:09:03,669 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:09:03,772 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_daea5639-2b35-4840-a98d-d5d4597aad27/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-23.i[917,930] [2024-12-02 10:09:03,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:09:03,820 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:09:03,828 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_daea5639-2b35-4840-a98d-d5d4597aad27/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-23.i[917,930] [2024-12-02 10:09:03,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:09:03,860 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:09:03,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:03 WrapperNode [2024-12-02 10:09:03,861 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:09:03,862 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:09:03,862 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:09:03,862 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:09:03,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:03" (1/1) ... [2024-12-02 10:09:03,873 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:03" (1/1) ... [2024-12-02 10:09:03,892 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2024-12-02 10:09:03,892 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:09:03,892 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:09:03,892 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:09:03,892 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:09:03,899 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:03" (1/1) ... [2024-12-02 10:09:03,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:03" (1/1) ... [2024-12-02 10:09:03,901 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:03" (1/1) ... [2024-12-02 10:09:03,911 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]. [2024-12-02 10:09:03,911 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:03" (1/1) ... [2024-12-02 10:09:03,911 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:03" (1/1) ... [2024-12-02 10:09:03,916 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:03" (1/1) ... [2024-12-02 10:09:03,917 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:03" (1/1) ... [2024-12-02 10:09:03,920 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:03" (1/1) ... [2024-12-02 10:09:03,921 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:03" (1/1) ... [2024-12-02 10:09:03,922 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:03" (1/1) ... [2024-12-02 10:09:03,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:09:03,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:09:03,924 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:09:03,924 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:09:03,925 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:03" (1/1) ... [2024-12-02 10:09:03,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:09:03,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:03,954 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:03,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:09:03,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:09:03,981 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 10:09:03,981 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 10:09:03,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 10:09:03,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:09:03,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:09:04,049 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:09:04,051 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:09:04,260 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-02 10:09:04,261 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:09:04,268 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:09:04,268 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 10:09:04,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:09:04 BoogieIcfgContainer [2024-12-02 10:09:04,269 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:09:04,271 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:09:04,271 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:09:04,275 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:09:04,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:09:03" (1/3) ... [2024-12-02 10:09:04,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70e79e5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:09:04, skipping insertion in model container [2024-12-02 10:09:04,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:03" (2/3) ... [2024-12-02 10:09:04,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70e79e5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:09:04, skipping insertion in model container [2024-12-02 10:09:04,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:09:04" (3/3) ... [2024-12-02 10:09:04,278 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-23.i [2024-12-02 10:09:04,293 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:09:04,294 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-23.i that has 2 procedures, 57 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 10:09:04,348 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:09:04,360 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;@b232163, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:09:04,360 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:09:04,363 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 10:09:04,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 10:09:04,373 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:09:04,374 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:09:04,374 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:09:04,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:04,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1570848541, now seen corresponding path program 1 times [2024-12-02 10:09:04,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:09:04,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892797917] [2024-12-02 10:09:04,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:04,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:09:04,612 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-12-02 10:09:04,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:09:04,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892797917] [2024-12-02 10:09:04,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892797917] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:09:04,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222324436] [2024-12-02 10:09:04,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:04,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:09:04,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:04,616 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:09:04,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 10:09:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:09:04,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 10:09:04,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:09:04,794 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-12-02 10:09:04,794 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:09:04,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222324436] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:09:04,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:09:04,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 10:09:04,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508522648] [2024-12-02 10:09:04,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:09:04,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 10:09:04,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:09:04,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 10:09:04,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:09:04,823 INFO L87 Difference]: Start difference. First operand has 57 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 10:09:04,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:09:04,844 INFO L93 Difference]: Finished difference Result 107 states and 182 transitions. [2024-12-02 10:09:04,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 10:09:04,846 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 125 [2024-12-02 10:09:04,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:09:04,852 INFO L225 Difference]: With dead ends: 107 [2024-12-02 10:09:04,853 INFO L226 Difference]: Without dead ends: 53 [2024-12-02 10:09:04,856 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:09:04,859 INFO L435 NwaCegarLoop]: 77 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, 77 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 [2024-12-02 10:09:04,859 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:09:04,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-12-02 10:09:04,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-12-02 10:09:04,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 10:09:04,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 77 transitions. [2024-12-02 10:09:04,895 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 77 transitions. Word has length 125 [2024-12-02 10:09:04,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:09:04,895 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 77 transitions. [2024-12-02 10:09:04,895 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 10:09:04,895 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 77 transitions. [2024-12-02 10:09:04,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 10:09:04,898 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:09:04,898 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:09:04,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 10:09:05,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 10:09:05,099 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:09:05,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:05,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1680222887, now seen corresponding path program 1 times [2024-12-02 10:09:05,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:09:05,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790194167] [2024-12-02 10:09:05,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:05,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:09:05,743 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-12-02 10:09:05,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:09:05,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790194167] [2024-12-02 10:09:05,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790194167] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:09:05,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:09:05,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 10:09:05,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601617442] [2024-12-02 10:09:05,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:09:05,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 10:09:05,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:09:05,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 10:09:05,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:09:05,746 INFO L87 Difference]: Start difference. First operand 53 states and 77 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 10:09:06,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:09:06,164 INFO L93 Difference]: Finished difference Result 157 states and 224 transitions. [2024-12-02 10:09:06,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 10:09:06,165 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 125 [2024-12-02 10:09:06,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:09:06,167 INFO L225 Difference]: With dead ends: 157 [2024-12-02 10:09:06,167 INFO L226 Difference]: Without dead ends: 107 [2024-12-02 10:09:06,168 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-12-02 10:09:06,169 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 98 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 10:09:06,169 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 212 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 10:09:06,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-12-02 10:09:06,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 60. [2024-12-02 10:09:06,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 37 states have internal predecessors, (44), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 10:09:06,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 84 transitions. [2024-12-02 10:09:06,185 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 84 transitions. Word has length 125 [2024-12-02 10:09:06,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:09:06,186 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 84 transitions. [2024-12-02 10:09:06,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 10:09:06,186 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2024-12-02 10:09:06,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 10:09:06,188 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:09:06,188 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:09:06,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 10:09:06,188 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:09:06,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:06,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1737481189, now seen corresponding path program 1 times [2024-12-02 10:09:06,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:09:06,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010362995] [2024-12-02 10:09:06,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:06,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 10:09:06,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [17080853] [2024-12-02 10:09:06,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:06,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:09:06,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:06,297 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:09:06,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 10:09:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:06,440 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:09:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:06,537 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 10:09:06,537 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 10:09:06,538 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 10:09:06,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 10:09:06,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:09:06,742 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 10:09:06,792 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 10:09:06,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 10:09:06 BoogieIcfgContainer [2024-12-02 10:09:06,795 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 10:09:06,796 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 10:09:06,796 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 10:09:06,796 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 10:09:06,797 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:09:04" (3/4) ... [2024-12-02 10:09:06,798 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 10:09:06,799 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 10:09:06,799 INFO L158 Benchmark]: Toolchain (without parser) took 3149.37ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 77.7MB in the end (delta: 39.2MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2024-12-02 10:09:06,800 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:09:06,800 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.27ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 104.1MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:09:06,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.38ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 102.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:09:06,800 INFO L158 Benchmark]: Boogie Preprocessor took 31.06ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 100.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:09:06,801 INFO L158 Benchmark]: RCFGBuilder took 344.66ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 84.6MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 10:09:06,801 INFO L158 Benchmark]: TraceAbstraction took 2524.73ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 77.7MB in the end (delta: 6.4MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-12-02 10:09:06,801 INFO L158 Benchmark]: Witness Printer took 2.90ms. Allocated memory is still 142.6MB. Free memory was 77.7MB in the beginning and 77.7MB in the end (delta: 17.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:09:06,802 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 210.27ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 104.1MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.38ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 102.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.06ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 100.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 344.66ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 84.6MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2524.73ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 77.7MB in the end (delta: 6.4MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Witness Printer took 2.90ms. Allocated memory is still 142.6MB. Free memory was 77.7MB in the beginning and 77.7MB in the end (delta: 17.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 71, overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of someBinaryFLOATComparisonOperation at line 74, overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 78, overapproximation of someBinaryFLOATComparisonOperation at line 43, overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryFLOATComparisonOperation at line 98. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 0; [L23] unsigned long int var_1_2 = 16; [L24] unsigned long int var_1_3 = 64; [L25] unsigned long int var_1_4 = 25; [L26] float var_1_5 = 1.2; [L27] float var_1_6 = 999.7; [L28] float var_1_7 = 1.4; [L29] float var_1_8 = 9.75; [L30] float var_1_9 = 1.75; [L31] unsigned long int var_1_10 = 16; [L32] unsigned long int var_1_11 = 1277342739; [L33] unsigned long int var_1_12 = 1394088949; [L34] unsigned long int var_1_13 = 0; [L35] unsigned char var_1_14 = 0; [L36] unsigned char var_1_17 = 0; [L37] unsigned char var_1_18 = 0; [L38] unsigned char var_1_19 = 0; VAL [isInitial=0, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=16, var_1_3=64, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L102] isInitial = 1 [L103] FCALL initially() [L105] FCALL updateLastVariables() [L106] CALL updateVariables() [L62] var_1_2 = __VERIFIER_nondet_ulong() [L63] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_3=64, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_3=64, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L63] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_3=64, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L64] CALL assume_abort_if_not(var_1_2 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=64, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=64, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L64] RET assume_abort_if_not(var_1_2 <= 4294967294) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=64, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L65] var_1_3 = __VERIFIER_nondet_ulong() [L66] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L66] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L67] CALL assume_abort_if_not(var_1_3 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L67] RET assume_abort_if_not(var_1_3 <= 4294967294) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L68] var_1_5 = __VERIFIER_nondet_float() [L69] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L69] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L70] var_1_6 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L71] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L72] CALL assume_abort_if_not(var_1_6 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L72] RET assume_abort_if_not(var_1_6 != 0.0F) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L73] var_1_7 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_8=39/4, var_1_9=7/4] [L74] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_8=39/4, var_1_9=7/4] [L75] var_1_8 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_9=7/4] [L76] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_9=7/4] [L77] var_1_9 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L78] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L79] var_1_11 = __VERIFIER_nondet_ulong() [L80] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L80] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L81] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L81] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L82] var_1_12 = __VERIFIER_nondet_ulong() [L83] CALL assume_abort_if_not(var_1_12 >= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L83] RET assume_abort_if_not(var_1_12 >= 1073741824) VAL [isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L84] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L84] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L85] var_1_13 = __VERIFIER_nondet_ulong() [L86] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L86] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L87] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L87] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L88] var_1_17 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L89] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L90] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L90] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L91] var_1_19 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L92] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L93] CALL assume_abort_if_not(var_1_19 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L93] RET assume_abort_if_not(var_1_19 <= 0) VAL [isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L106] RET updateVariables() [L107] CALL step() [L42] var_1_1 = ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) VAL [isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L43] COND TRUE (var_1_5 / var_1_6) <= (var_1_7 + (var_1_8 - var_1_9)) [L44] var_1_4 = ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) VAL [isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0] [L46] var_1_10 = ((((var_1_2) > (((var_1_11 + var_1_12) - var_1_13))) ? (var_1_2) : (((var_1_11 + var_1_12) - var_1_13)))) [L47] unsigned char stepLocal_0 = (- var_1_5) != 1.9f; VAL [isInitial=1, stepLocal_0=0, var_1_10=2147483647, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0] [L48] COND FALSE !(stepLocal_0 || ((var_1_4 * var_1_13) < var_1_3)) [L51] var_1_18 = var_1_19 VAL [isInitial=1, var_1_10=2147483647, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0] [L53] COND FALSE !(\read(var_1_18)) VAL [isInitial=1, var_1_10=2147483647, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0] [L107] RET step() [L108] CALL, EXPR property() [L98-L99] return ((((var_1_1 == ((unsigned long int) ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))))) && (((var_1_5 / var_1_6) <= (var_1_7 + (var_1_8 - var_1_9))) ? (var_1_4 == ((unsigned long int) ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))))) : 1)) && (var_1_10 == ((unsigned long int) ((((var_1_2) > (((var_1_11 + var_1_12) - var_1_13))) ? (var_1_2) : (((var_1_11 + var_1_12) - var_1_13))))))) && (var_1_18 ? ((! ((var_1_5 / var_1_6) < (var_1_8 - var_1_9))) ? (var_1_18 ? (var_1_14 == ((unsigned char) (! var_1_17))) : 1) : 1) : 1)) && ((((- var_1_5) != 1.9f) || ((var_1_4 * var_1_13) < var_1_3)) ? (var_1_18 == ((unsigned char) (! var_1_19))) : (var_1_18 == ((unsigned char) var_1_19))) ; VAL [\result=0, isInitial=1, var_1_10=2147483647, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0] [L108] RET, EXPR property() [L108] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=2147483647, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0] [L19] reach_error() VAL [isInitial=1, var_1_10=2147483647, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 3, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 134 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 98 mSDsluCounter, 289 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 125 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 265 IncrementalHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 164 mSDtfsCounter, 265 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=2, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 47 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 625 NumberOfCodeBlocks, 625 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 372 ConstructedInterpolants, 0 QuantifiedInterpolants, 404 SizeOfPredicates, 0 NumberOfNonLiveVariables, 280 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 2242/2280 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 [2024-12-02 10:09:06,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-23.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1 --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 7e20287594d7bda057cc8987462fe4bc20fb41928eadfc70690547ace3b60f57 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:09:08,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:09:08,808 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 10:09:08,813 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:09:08,813 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:09:08,834 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:09:08,835 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:09:08,835 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:09:08,836 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:09:08,836 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:09:08,836 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:09:08,836 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:09:08,836 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:09:08,836 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:09:08,836 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:09:08,837 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:09:08,837 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:09:08,837 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:09:08,837 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:09:08,837 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:09:08,837 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:09:08,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:09:08,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:09:08,837 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 10:09:08,837 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 10:09:08,837 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 10:09:08,838 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:09:08,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:09:08,838 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:09:08,838 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:09:08,838 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:09:08,838 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:09:08,838 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:09:08,838 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:09:08,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:09:08,838 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:09:08,839 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:09:08,839 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:09:08,839 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:09:08,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:09:08,839 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:09:08,839 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:09:08,839 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:09:08,839 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:09:08,839 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 10:09:08,839 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 10:09:08,840 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:09:08,840 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:09:08,840 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:09:08,840 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:09:08,840 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_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1 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 -> 7e20287594d7bda057cc8987462fe4bc20fb41928eadfc70690547ace3b60f57 [2024-12-02 10:09:09,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:09:09,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:09:09,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:09:09,079 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:09:09,079 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:09:09,080 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-23.i [2024-12-02 10:09:11,762 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/data/61a55454d/7bbfbc603b4e4ca59c4d9e5a7c6f3879/FLAGd2aabc2d9 [2024-12-02 10:09:11,947 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:09:11,948 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-23.i [2024-12-02 10:09:11,956 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/data/61a55454d/7bbfbc603b4e4ca59c4d9e5a7c6f3879/FLAGd2aabc2d9 [2024-12-02 10:09:11,971 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/data/61a55454d/7bbfbc603b4e4ca59c4d9e5a7c6f3879 [2024-12-02 10:09:11,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:09:11,974 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:09:11,976 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:09:11,976 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:09:11,980 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:09:11,981 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:09:11" (1/1) ... [2024-12-02 10:09:11,981 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@320d8afa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:11, skipping insertion in model container [2024-12-02 10:09:11,981 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:09:11" (1/1) ... [2024-12-02 10:09:11,997 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:09:12,128 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_daea5639-2b35-4840-a98d-d5d4597aad27/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-23.i[917,930] [2024-12-02 10:09:12,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:09:12,178 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:09:12,186 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_daea5639-2b35-4840-a98d-d5d4597aad27/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-23.i[917,930] [2024-12-02 10:09:12,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:09:12,221 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:09:12,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:12 WrapperNode [2024-12-02 10:09:12,222 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:09:12,223 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:09:12,223 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:09:12,223 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:09:12,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:12" (1/1) ... [2024-12-02 10:09:12,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:12" (1/1) ... [2024-12-02 10:09:12,260 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2024-12-02 10:09:12,260 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:09:12,261 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:09:12,261 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:09:12,261 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:09:12,268 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:12" (1/1) ... [2024-12-02 10:09:12,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:12" (1/1) ... [2024-12-02 10:09:12,271 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:12" (1/1) ... [2024-12-02 10:09:12,282 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]. [2024-12-02 10:09:12,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:12" (1/1) ... [2024-12-02 10:09:12,282 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:12" (1/1) ... [2024-12-02 10:09:12,291 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:12" (1/1) ... [2024-12-02 10:09:12,292 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:12" (1/1) ... [2024-12-02 10:09:12,295 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:12" (1/1) ... [2024-12-02 10:09:12,297 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:12" (1/1) ... [2024-12-02 10:09:12,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:12" (1/1) ... [2024-12-02 10:09:12,301 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:09:12,301 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:09:12,301 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:09:12,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:09:12,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:12" (1/1) ... [2024-12-02 10:09:12,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:09:12,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:12,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:12,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:09:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:09:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 10:09:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 10:09:12,350 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 10:09:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:09:12,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:09:12,406 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:09:12,407 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:09:23,863 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-02 10:09:23,864 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:09:23,874 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:09:23,874 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 10:09:23,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:09:23 BoogieIcfgContainer [2024-12-02 10:09:23,874 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:09:23,876 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:09:23,877 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:09:23,881 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:09:23,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:09:11" (1/3) ... [2024-12-02 10:09:23,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57419f55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:09:23, skipping insertion in model container [2024-12-02 10:09:23,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:12" (2/3) ... [2024-12-02 10:09:23,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57419f55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:09:23, skipping insertion in model container [2024-12-02 10:09:23,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:09:23" (3/3) ... [2024-12-02 10:09:23,883 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-23.i [2024-12-02 10:09:23,896 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:09:23,897 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-23.i that has 2 procedures, 57 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 10:09:23,934 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:09:23,943 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;@7d3ee4d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:09:23,943 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:09:23,947 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 10:09:23,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 10:09:23,957 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:09:23,958 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:09:23,958 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:09:23,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:23,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1570848541, now seen corresponding path program 1 times [2024-12-02 10:09:23,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:09:23,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1143128304] [2024-12-02 10:09:23,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:23,974 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 [2024-12-02 10:09:23,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:09:23,976 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 10:09:23,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 10:09:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:09:24,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 10:09:24,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:09:24,430 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2024-12-02 10:09:24,431 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:09:24,431 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:09:24,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1143128304] [2024-12-02 10:09:24,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1143128304] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:09:24,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:09:24,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 10:09:24,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287627326] [2024-12-02 10:09:24,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:09:24,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 10:09:24,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:09:24,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 10:09:24,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:09:24,450 INFO L87 Difference]: Start difference. First operand has 57 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) 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, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 10:09:24,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:09:24,466 INFO L93 Difference]: Finished difference Result 107 states and 182 transitions. [2024-12-02 10:09:24,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 10:09:24,467 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, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 125 [2024-12-02 10:09:24,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:09:24,471 INFO L225 Difference]: With dead ends: 107 [2024-12-02 10:09:24,472 INFO L226 Difference]: Without dead ends: 53 [2024-12-02 10:09:24,474 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:09:24,476 INFO L435 NwaCegarLoop]: 77 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, 77 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 [2024-12-02 10:09:24,476 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:09:24,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-12-02 10:09:24,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-12-02 10:09:24,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 10:09:24,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 77 transitions. [2024-12-02 10:09:24,508 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 77 transitions. Word has length 125 [2024-12-02 10:09:24,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:09:24,508 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 77 transitions. [2024-12-02 10:09:24,509 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, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 10:09:24,509 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 77 transitions. [2024-12-02 10:09:24,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 10:09:24,511 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:09:24,511 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:09:24,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 10:09:24,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 10:09:24,712 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:09:24,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:24,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1680222887, now seen corresponding path program 1 times [2024-12-02 10:09:24,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:09:24,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1815061018] [2024-12-02 10:09:24,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:24,714 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 [2024-12-02 10:09:24,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:09:24,717 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 10:09:24,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 10:09:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:09:25,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 10:09:25,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:09:25,341 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-12-02 10:09:25,341 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:09:25,341 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:09:25,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1815061018] [2024-12-02 10:09:25,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1815061018] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:09:25,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:09:25,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 10:09:25,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358511119] [2024-12-02 10:09:25,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:09:25,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 10:09:25,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:09:25,344 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 10:09:25,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:09:25,345 INFO L87 Difference]: Start difference. First operand 53 states and 77 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 10:09:28,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:09:31,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:09:32,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:09:32,354 INFO L93 Difference]: Finished difference Result 169 states and 239 transitions. [2024-12-02 10:09:32,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 10:09:32,356 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 125 [2024-12-02 10:09:32,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:09:32,358 INFO L225 Difference]: With dead ends: 169 [2024-12-02 10:09:32,358 INFO L226 Difference]: Without dead ends: 119 [2024-12-02 10:09:32,359 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-12-02 10:09:32,359 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 97 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2024-12-02 10:09:32,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 246 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2024-12-02 10:09:32,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-12-02 10:09:32,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 60. [2024-12-02 10:09:32,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 37 states have internal predecessors, (44), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 10:09:32,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 84 transitions. [2024-12-02 10:09:32,372 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 84 transitions. Word has length 125 [2024-12-02 10:09:32,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:09:32,372 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 84 transitions. [2024-12-02 10:09:32,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 10:09:32,372 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2024-12-02 10:09:32,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 10:09:32,373 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:09:32,374 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:09:32,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/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)] Ended with exit code 0 [2024-12-02 10:09:32,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 10:09:32,574 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:09:32,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:32,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1737481189, now seen corresponding path program 1 times [2024-12-02 10:09:32,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:09:32,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1502167952] [2024-12-02 10:09:32,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:32,575 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 [2024-12-02 10:09:32,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:09:32,577 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 10:09:32,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daea5639-2b35-4840-a98d-d5d4597aad27/bin/uautomizer-verify-84ZbGMXZE1/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 (4)] Waiting until timeout for monitored process [2024-12-02 10:09:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:09:32,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 10:09:32,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:10:18,723 WARN L286 SmtUtils]: Spent 7.14s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:11:00,385 WARN L286 SmtUtils]: Spent 6.36s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:11:29,259 WARN L286 SmtUtils]: Spent 5.53s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:13:42,113 WARN L286 SmtUtils]: Spent 5.92s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:13:49,641 WARN L286 SmtUtils]: Spent 5.92s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:14:00,463 WARN L286 SmtUtils]: Spent 6.14s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:14:10,097 WARN L286 SmtUtils]: Spent 6.21s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:14:36,273 WARN L286 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:14:52,581 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 243 proven. 9 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-12-02 10:14:52,581 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:21:48,084 WARN L286 SmtUtils]: Spent 5.94s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:22:04,796 WARN L286 SmtUtils]: Spent 5.10s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:22:26,569 WARN L286 SmtUtils]: Spent 7.97s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:23:28,427 WARN L286 SmtUtils]: Spent 7.02s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 10:24:15,195 WARN L286 SmtUtils]: Spent 7.28s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)