./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 08ef4c3a1699c030822612f64a82179d2ef28481e12c6ce62efbc901639eabc5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:25:22,488 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:25:22,558 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:25:22,564 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:25:22,564 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:25:22,592 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:25:22,592 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:25:22,593 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:25:22,594 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:25:22,594 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:25:22,595 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:25:22,596 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:25:22,597 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:25:22,597 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:25:22,598 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:25:22,598 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:25:22,599 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:25:22,600 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:25:22,600 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:25:22,601 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:25:22,601 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:25:22,602 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:25:22,603 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:25:22,603 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:25:22,604 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:25:22,605 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:25:22,605 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:25:22,606 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:25:22,606 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:25:22,607 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:25:22,608 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:25:22,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:25:22,609 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:25:22,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:25:22,610 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:25:22,610 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:25:22,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:25:22,611 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:25:22,611 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:25:22,612 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:25:22,612 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:25:22,613 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:25:22,613 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08ef4c3a1699c030822612f64a82179d2ef28481e12c6ce62efbc901639eabc5 [2023-11-21 22:25:22,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:25:22,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:25:22,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:25:22,903 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:25:22,903 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:25:22,905 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i [2023-11-21 22:25:26,138 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:25:26,420 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:25:26,422 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i [2023-11-21 22:25:26,433 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/data/460cb3976/65dc9002150f4e8ba1081c69617c6489/FLAGe95f406be [2023-11-21 22:25:26,449 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/data/460cb3976/65dc9002150f4e8ba1081c69617c6489 [2023-11-21 22:25:26,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:25:26,453 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:25:26,455 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:25:26,455 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:25:26,460 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:25:26,461 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:25:26" (1/1) ... [2023-11-21 22:25:26,462 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dd325ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:26, skipping insertion in model container [2023-11-21 22:25:26,463 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:25:26" (1/1) ... [2023-11-21 22:25:26,488 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:25:26,630 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i[915,928] [2023-11-21 22:25:26,659 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:25:26,674 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:25:26,686 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i[915,928] [2023-11-21 22:25:26,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:25:26,720 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:25:26,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:26 WrapperNode [2023-11-21 22:25:26,720 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:25:26,722 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:25:26,722 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:25:26,722 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:25:26,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:26" (1/1) ... [2023-11-21 22:25:26,738 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:26" (1/1) ... [2023-11-21 22:25:26,762 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 90 [2023-11-21 22:25:26,763 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:25:26,763 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:25:26,764 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:25:26,764 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:25:26,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:26" (1/1) ... [2023-11-21 22:25:26,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:26" (1/1) ... [2023-11-21 22:25:26,777 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:26" (1/1) ... [2023-11-21 22:25:26,787 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:25:26,787 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:26" (1/1) ... [2023-11-21 22:25:26,787 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:26" (1/1) ... [2023-11-21 22:25:26,793 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:26" (1/1) ... [2023-11-21 22:25:26,796 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:26" (1/1) ... [2023-11-21 22:25:26,798 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:26" (1/1) ... [2023-11-21 22:25:26,799 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:26" (1/1) ... [2023-11-21 22:25:26,802 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:25:26,803 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:25:26,803 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:25:26,803 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:25:26,804 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:26" (1/1) ... [2023-11-21 22:25:26,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:25:26,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:26,836 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:26,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:25:26,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:25:26,875 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:25:26,875 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:25:26,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:25:26,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:25:26,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:25:26,950 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:25:26,952 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:25:27,175 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:25:27,292 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:25:27,292 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:25:27,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:25:27 BoogieIcfgContainer [2023-11-21 22:25:27,294 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:25:27,319 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:25:27,319 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:25:27,323 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:25:27,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:25:26" (1/3) ... [2023-11-21 22:25:27,324 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b0ed24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:25:27, skipping insertion in model container [2023-11-21 22:25:27,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:26" (2/3) ... [2023-11-21 22:25:27,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b0ed24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:25:27, skipping insertion in model container [2023-11-21 22:25:27,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:25:27" (3/3) ... [2023-11-21 22:25:27,327 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-26.i [2023-11-21 22:25:27,354 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:25:27,355 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:25:27,409 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:25:27,422 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@28179c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:25:27,423 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:25:27,428 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-21 22:25:27,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 22:25:27,441 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:25:27,442 INFO L195 NwaCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:25:27,443 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:25:27,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:25:27,451 INFO L85 PathProgramCache]: Analyzing trace with hash -19077819, now seen corresponding path program 1 times [2023-11-21 22:25:27,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:25:27,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244805360] [2023-11-21 22:25:27,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:25:27,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:25:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:25:27,884 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:25:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:25:28,085 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:25:28,087 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:25:28,088 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:25:28,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:25:28,098 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:25:28,107 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:25:28,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:25:28 BoogieIcfgContainer [2023-11-21 22:25:28,189 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:25:28,189 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:25:28,189 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:25:28,190 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:25:28,190 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:25:27" (3/4) ... [2023-11-21 22:25:28,193 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:25:28,194 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:25:28,200 INFO L158 Benchmark]: Toolchain (without parser) took 1741.38ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 95.0MB in the beginning and 105.1MB in the end (delta: -10.1MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2023-11-21 22:25:28,201 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 140.5MB. Free memory was 109.6MB in the beginning and 109.6MB in the end (delta: 30.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:25:28,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.00ms. Allocated memory is still 140.5MB. Free memory was 94.4MB in the beginning and 83.3MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:25:28,203 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.23ms. Allocated memory is still 140.5MB. Free memory was 83.3MB in the beginning and 81.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:25:28,208 INFO L158 Benchmark]: Boogie Preprocessor took 38.82ms. Allocated memory is still 140.5MB. Free memory was 81.4MB in the beginning and 79.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:25:28,210 INFO L158 Benchmark]: RCFGBuilder took 491.52ms. Allocated memory is still 140.5MB. Free memory was 79.8MB in the beginning and 61.4MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 22:25:28,210 INFO L158 Benchmark]: TraceAbstraction took 869.61ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 110.5MB in the beginning and 106.1MB in the end (delta: 4.4MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2023-11-21 22:25:28,211 INFO L158 Benchmark]: Witness Printer took 4.51ms. Allocated memory is still 176.2MB. Free memory was 106.1MB in the beginning and 105.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:25:28,220 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 140.5MB. Free memory was 109.6MB in the beginning and 109.6MB in the end (delta: 30.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.00ms. Allocated memory is still 140.5MB. Free memory was 94.4MB in the beginning and 83.3MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.23ms. Allocated memory is still 140.5MB. Free memory was 83.3MB in the beginning and 81.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.82ms. Allocated memory is still 140.5MB. Free memory was 81.4MB in the beginning and 79.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 491.52ms. Allocated memory is still 140.5MB. Free memory was 79.8MB in the beginning and 61.4MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 869.61ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 110.5MB in the beginning and 106.1MB in the end (delta: 4.4MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. * Witness Printer took 4.51ms. Allocated memory is still 176.2MB. Free memory was 106.1MB in the beginning and 105.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 72. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 32; [L23] unsigned char var_1_2 = 1; [L24] unsigned long int var_1_3 = 4; [L25] unsigned long int var_1_4 = 64; [L26] unsigned long int var_1_5 = 32; [L27] unsigned long int var_1_6 = 1908995780; [L28] unsigned long int var_1_7 = 0; [L29] double var_1_8 = 1.7; [L30] double var_1_9 = 1.7; [L31] signed short int var_1_10 = -32; [L32] signed short int var_1_11 = -16; [L76] isInitial = 1 [L77] FCALL initially() [L78] COND TRUE 1 [L79] FCALL updateLastVariables() [L80] CALL updateVariables() [L45] var_1_2 = __VERIFIER_nondet_uchar() [L46] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_3=4, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L46] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_3=4, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L47] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=4, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L47] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=4, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L48] var_1_3 = __VERIFIER_nondet_ulong() [L49] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=4294967294, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L49] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=4294967294, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L50] CALL assume_abort_if_not(var_1_3 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=4294967294, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L50] RET assume_abort_if_not(var_1_3 <= 4294967294) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=4294967294, var_1_4=64, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L51] var_1_4 = __VERIFIER_nondet_ulong() [L52] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=4294967294, var_1_4=2147483647, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L52] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=4294967294, var_1_4=2147483647, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L53] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=4294967294, var_1_4=2147483647, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L53] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=4294967294, var_1_4=2147483647, var_1_5=32, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L54] var_1_5 = __VERIFIER_nondet_ulong() [L55] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=4294967294, var_1_4=2147483647, var_1_5=2147483647, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L55] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=4294967294, var_1_4=2147483647, var_1_5=2147483647, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L56] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=4294967294, var_1_4=2147483647, var_1_5=2147483647, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L56] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=4294967294, var_1_4=2147483647, var_1_5=2147483647, var_1_6=1908995780, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L57] var_1_6 = __VERIFIER_nondet_ulong() [L58] CALL assume_abort_if_not(var_1_6 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=4294967294, var_1_4=2147483647, var_1_5=2147483647, var_1_6=2147483647, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L58] RET assume_abort_if_not(var_1_6 >= 1073741823) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=4294967294, var_1_4=2147483647, var_1_5=2147483647, var_1_6=2147483647, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L59] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=4294967294, var_1_4=2147483647, var_1_5=2147483647, var_1_6=2147483647, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L59] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=4294967294, var_1_4=2147483647, var_1_5=2147483647, var_1_6=2147483647, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L60] var_1_7 = __VERIFIER_nondet_ulong() [L61] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=4294967294, var_1_4=2147483647, var_1_5=2147483647, var_1_6=2147483647, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=4294967294, var_1_4=2147483647, var_1_5=2147483647, var_1_6=2147483647, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L62] CALL assume_abort_if_not(var_1_7 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=4294967294, var_1_4=2147483647, var_1_5=2147483647, var_1_6=2147483647, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_7 <= 1073741823) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=4294967294, var_1_4=2147483647, var_1_5=2147483647, var_1_6=2147483647, var_1_7=0, var_1_8=17/10, var_1_9=17/10] [L63] var_1_9 = __VERIFIER_nondet_double() [L64] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=4294967294, var_1_4=2147483647, var_1_5=2147483647, var_1_6=2147483647, var_1_7=0, var_1_8=17/10, var_1_9=10737418244] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-32, var_1_11=-16, var_1_1=32, var_1_2=1, var_1_3=4294967294, var_1_4=2147483647, var_1_5=2147483647, var_1_6=2147483647, var_1_7=0, var_1_8=17/10, var_1_9=10737418244] [L65] var_1_11 = __VERIFIER_nondet_short() [L66] CALL assume_abort_if_not(var_1_11 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=32766, var_1_1=32, var_1_2=1, var_1_3=4294967294, var_1_4=2147483647, var_1_5=2147483647, var_1_6=2147483647, var_1_7=0, var_1_8=17/10, var_1_9=10737418244] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_11 >= -32767) VAL [isInitial=1, var_1_10=-32, var_1_11=32766, var_1_1=32, var_1_2=1, var_1_3=4294967294, var_1_4=2147483647, var_1_5=2147483647, var_1_6=2147483647, var_1_7=0, var_1_8=17/10, var_1_9=10737418244] [L67] CALL assume_abort_if_not(var_1_11 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=-32, var_1_11=32766, var_1_1=32, var_1_2=1, var_1_3=4294967294, var_1_4=2147483647, var_1_5=2147483647, var_1_6=2147483647, var_1_7=0, var_1_8=17/10, var_1_9=10737418244] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_11 <= 32766) VAL [isInitial=1, var_1_10=-32, var_1_11=32766, var_1_1=32, var_1_2=1, var_1_3=4294967294, var_1_4=2147483647, var_1_5=2147483647, var_1_6=2147483647, var_1_7=0, var_1_8=17/10, var_1_9=10737418244] [L80] RET updateVariables() [L81] CALL step() [L36] COND TRUE \read(var_1_2) [L37] var_1_1 = ((((var_1_3) > ((var_1_4 + var_1_5))) ? (var_1_3) : ((var_1_4 + var_1_5)))) [L41] var_1_8 = var_1_9 [L42] var_1_10 = var_1_11 [L81] RET step() [L82] CALL, EXPR property() [L72-L73] return ((var_1_2 ? (var_1_1 == ((unsigned long int) ((((var_1_3) > ((var_1_4 + var_1_5))) ? (var_1_3) : ((var_1_4 + var_1_5)))))) : (var_1_1 == ((unsigned long int) (3164264966u - ((((var_1_5) < ((var_1_6 - var_1_7))) ? (var_1_5) : ((var_1_6 - var_1_7)))))))) && (var_1_8 == ((double) var_1_9))) && (var_1_10 == ((signed short int) var_1_11)) ; [L82] RET, EXPR property() [L82] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=32766, var_1_11=32766, var_1_1=4294967294, var_1_2=1, var_1_3=4294967294, var_1_4=2147483647, var_1_5=2147483647, var_1_6=2147483647, var_1_7=0, var_1_8=10737418244, var_1_9=10737418244] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=32766, var_1_11=32766, var_1_1=4294967294, var_1_2=1, var_1_3=4294967294, var_1_4=2147483647, var_1_5=2147483647, var_1_6=2147483647, var_1_7=0, var_1_8=10737418244, var_1_9=10737418244] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 22:25:28,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 08ef4c3a1699c030822612f64a82179d2ef28481e12c6ce62efbc901639eabc5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:25:31,142 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:25:31,287 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:25:31,295 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:25:31,296 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:25:31,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:25:31,346 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:25:31,346 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:25:31,348 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:25:31,353 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:25:31,353 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:25:31,354 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:25:31,354 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:25:31,356 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:25:31,356 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:25:31,357 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:25:31,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:25:31,358 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:25:31,358 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:25:31,360 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:25:31,360 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:25:31,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:25:31,361 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:25:31,361 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:25:31,362 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:25:31,362 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:25:31,362 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:25:31,363 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:25:31,363 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:25:31,364 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:25:31,365 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:25:31,365 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:25:31,366 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:25:31,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:25:31,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:25:31,366 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:25:31,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:25:31,368 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:25:31,368 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:25:31,368 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:25:31,368 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:25:31,369 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:25:31,369 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:25:31,369 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:25:31,370 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:25:31,370 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08ef4c3a1699c030822612f64a82179d2ef28481e12c6ce62efbc901639eabc5 [2023-11-21 22:25:31,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:25:31,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:25:31,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:25:31,837 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:25:31,837 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:25:31,840 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i [2023-11-21 22:25:35,109 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:25:35,438 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:25:35,438 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i [2023-11-21 22:25:35,449 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/data/282e3541e/eba21329124e466e9155fed0776c8048/FLAGdb6eea12e [2023-11-21 22:25:35,471 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/data/282e3541e/eba21329124e466e9155fed0776c8048 [2023-11-21 22:25:35,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:25:35,479 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:25:35,484 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:25:35,484 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:25:35,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:25:35,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:25:35" (1/1) ... [2023-11-21 22:25:35,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@765b7ab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:35, skipping insertion in model container [2023-11-21 22:25:35,492 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:25:35" (1/1) ... [2023-11-21 22:25:35,535 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:25:35,705 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i[915,928] [2023-11-21 22:25:35,738 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:25:35,755 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:25:35,770 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-26.i[915,928] [2023-11-21 22:25:35,785 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:25:35,805 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:25:35,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:35 WrapperNode [2023-11-21 22:25:35,806 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:25:35,807 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:25:35,807 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:25:35,808 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:25:35,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:35" (1/1) ... [2023-11-21 22:25:35,829 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:35" (1/1) ... [2023-11-21 22:25:35,865 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 89 [2023-11-21 22:25:35,866 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:25:35,867 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:25:35,867 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:25:35,867 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:25:35,880 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:35" (1/1) ... [2023-11-21 22:25:35,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:35" (1/1) ... [2023-11-21 22:25:35,885 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:35" (1/1) ... [2023-11-21 22:25:35,897 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:25:35,897 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:35" (1/1) ... [2023-11-21 22:25:35,898 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:35" (1/1) ... [2023-11-21 22:25:35,908 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:35" (1/1) ... [2023-11-21 22:25:35,912 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:35" (1/1) ... [2023-11-21 22:25:35,915 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:35" (1/1) ... [2023-11-21 22:25:35,917 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:35" (1/1) ... [2023-11-21 22:25:35,922 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:25:35,923 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:25:35,923 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:25:35,924 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:25:35,925 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:35" (1/1) ... [2023-11-21 22:25:35,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:25:35,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:35,979 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:36,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:25:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:25:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:25:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:25:36,043 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:25:36,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:25:36,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:25:36,183 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:25:36,185 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:25:36,438 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:25:36,526 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:25:36,526 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:25:36,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:25:36 BoogieIcfgContainer [2023-11-21 22:25:36,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:25:36,534 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:25:36,539 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:25:36,542 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:25:36,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:25:35" (1/3) ... [2023-11-21 22:25:36,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@91d0fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:25:36, skipping insertion in model container [2023-11-21 22:25:36,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:35" (2/3) ... [2023-11-21 22:25:36,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@91d0fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:25:36, skipping insertion in model container [2023-11-21 22:25:36,546 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:25:36" (3/3) ... [2023-11-21 22:25:36,548 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-26.i [2023-11-21 22:25:36,570 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:25:36,571 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:25:36,655 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:25:36,666 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@18c0052e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:25:36,667 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:25:36,671 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-21 22:25:36,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 22:25:36,682 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:25:36,684 INFO L195 NwaCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:25:36,684 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:25:36,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:25:36,692 INFO L85 PathProgramCache]: Analyzing trace with hash -19077819, now seen corresponding path program 1 times [2023-11-21 22:25:36,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:25:36,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2026605115] [2023-11-21 22:25:36,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:25:36,718 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:25:36,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:25:36,722 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-21 22:25:36,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-21 22:25:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:36,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 22:25:36,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:25:43,647 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 12 proven. 52 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-21 22:25:43,647 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:25:44,842 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-11-21 22:25:44,844 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:25:44,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2026605115] [2023-11-21 22:25:44,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2026605115] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:25:44,846 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-21 22:25:44,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2023-11-21 22:25:44,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237647329] [2023-11-21 22:25:44,849 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-21 22:25:44,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-21 22:25:44,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:25:44,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-21 22:25:44,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-21 22:25:44,903 INFO L87 Difference]: Start difference. First operand has 32 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 9 states, 7 states have (on average 4.0) internal successors, (28), 9 states have internal predecessors, (28), 4 states have call successors, (30), 3 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2023-11-21 22:25:45,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:25:45,623 INFO L93 Difference]: Finished difference Result 63 states and 93 transitions. [2023-11-21 22:25:45,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 22:25:45,626 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 4.0) internal successors, (28), 9 states have internal predecessors, (28), 4 states have call successors, (30), 3 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 57 [2023-11-21 22:25:45,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:25:45,632 INFO L225 Difference]: With dead ends: 63 [2023-11-21 22:25:45,633 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 22:25:45,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2023-11-21 22:25:45,641 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 23 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-21 22:25:45,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 72 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-21 22:25:45,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 22:25:45,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 22:25:45,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:25:45,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 22:25:45,669 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2023-11-21 22:25:45,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:25:45,670 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:25:45,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 4.0) internal successors, (28), 9 states have internal predecessors, (28), 4 states have call successors, (30), 3 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2023-11-21 22:25:45,670 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:25:45,671 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 22:25:45,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:25:45,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-21 22:25:45,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:25:45,880 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 22:25:46,717 INFO L895 garLoopResultBuilder]: At program point L64(line 64) the Hoare annotation is: (= currentRoundingMode roundNearestTiesToEven) [2023-11-21 22:25:46,718 INFO L899 garLoopResultBuilder]: For program point L64-1(line 64) no Hoare annotation was computed. [2023-11-21 22:25:46,718 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2023-11-21 22:25:46,718 INFO L895 garLoopResultBuilder]: At program point L52(line 52) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse1)))) (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-21 22:25:46,719 INFO L895 garLoopResultBuilder]: At program point L52-1(line 52) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse1)))) (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-21 22:25:46,719 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-21 22:25:46,719 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-21 22:25:46,719 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-11-21 22:25:46,719 INFO L895 garLoopResultBuilder]: At program point L61(line 61) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse1)))) (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-21 22:25:46,720 INFO L895 garLoopResultBuilder]: At program point L61-1(line 61) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse1)))) (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-21 22:25:46,720 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-21 22:25:46,720 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-11-21 22:25:46,720 INFO L895 garLoopResultBuilder]: At program point L49(line 49) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse1)))) (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-21 22:25:46,721 INFO L895 garLoopResultBuilder]: At program point L49-1(line 49) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse1)))) (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-21 22:25:46,721 INFO L895 garLoopResultBuilder]: At program point L78-2(lines 78 84) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse1)))) (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-21 22:25:46,721 INFO L895 garLoopResultBuilder]: At program point L66(line 66) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse1)))) (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-21 22:25:46,722 INFO L895 garLoopResultBuilder]: At program point L66-1(line 66) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse1)))) (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-21 22:25:46,722 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:25:46,722 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2023-11-21 22:25:46,722 INFO L895 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse1)))) (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-21 22:25:46,722 INFO L895 garLoopResultBuilder]: At program point L58-1(line 58) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse1)))) (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-21 22:25:46,723 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-11-21 22:25:46,723 INFO L895 garLoopResultBuilder]: At program point L46(line 46) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse1)))) (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-21 22:25:46,723 INFO L895 garLoopResultBuilder]: At program point L46-1(line 46) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse1)))) (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-21 22:25:46,723 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 22:25:46,724 INFO L899 garLoopResultBuilder]: For program point L67(lines 44 68) no Hoare annotation was computed. [2023-11-21 22:25:46,724 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2023-11-21 22:25:46,724 INFO L895 garLoopResultBuilder]: At program point L55(line 55) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse1)))) (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-21 22:25:46,724 INFO L895 garLoopResultBuilder]: At program point L55-1(line 55) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse0))) (fp.leq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse1)))) (and (fp.leq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse0)) (fp.geq ~var_1_9~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-21 22:25:46,725 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-11-21 22:25:46,725 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-21 22:25:46,725 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-21 22:25:46,728 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:25:46,732 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:25:46,744 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-21 22:25:46,745 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-21 22:25:46,746 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-21 22:25:46,746 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-21 22:25:46,746 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-21 22:25:46,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:25:46 BoogieIcfgContainer [2023-11-21 22:25:46,748 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:25:46,748 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:25:46,748 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:25:46,749 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:25:46,749 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:25:36" (3/4) ... [2023-11-21 22:25:46,752 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:25:46,755 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-21 22:25:46,761 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-21 22:25:46,762 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-21 22:25:46,762 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 22:25:46,762 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:25:46,873 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:25:46,874 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:25:46,874 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:25:46,875 INFO L158 Benchmark]: Toolchain (without parser) took 11395.95ms. Allocated memory was 73.4MB in the beginning and 239.1MB in the end (delta: 165.7MB). Free memory was 49.2MB in the beginning and 94.5MB in the end (delta: -45.3MB). Peak memory consumption was 121.3MB. Max. memory is 16.1GB. [2023-11-21 22:25:46,876 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 73.4MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:25:46,876 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.84ms. Allocated memory is still 73.4MB. Free memory was 48.8MB in the beginning and 36.9MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:25:46,877 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.64ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 36.9MB in the beginning and 69.7MB in the end (delta: -32.8MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2023-11-21 22:25:46,877 INFO L158 Benchmark]: Boogie Preprocessor took 55.55ms. Allocated memory is still 90.2MB. Free memory was 69.7MB in the beginning and 67.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:25:46,877 INFO L158 Benchmark]: RCFGBuilder took 608.53ms. Allocated memory is still 90.2MB. Free memory was 67.3MB in the beginning and 48.1MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 22:25:46,878 INFO L158 Benchmark]: TraceAbstraction took 10213.88ms. Allocated memory was 90.2MB in the beginning and 239.1MB in the end (delta: 148.9MB). Free memory was 47.4MB in the beginning and 99.8MB in the end (delta: -52.3MB). Peak memory consumption was 97.1MB. Max. memory is 16.1GB. [2023-11-21 22:25:46,879 INFO L158 Benchmark]: Witness Printer took 126.16ms. Allocated memory is still 239.1MB. Free memory was 99.8MB in the beginning and 94.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:25:46,881 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 73.4MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.84ms. Allocated memory is still 73.4MB. Free memory was 48.8MB in the beginning and 36.9MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.64ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 36.9MB in the beginning and 69.7MB in the end (delta: -32.8MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.55ms. Allocated memory is still 90.2MB. Free memory was 69.7MB in the beginning and 67.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 608.53ms. Allocated memory is still 90.2MB. Free memory was 67.3MB in the beginning and 48.1MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 10213.88ms. Allocated memory was 90.2MB in the beginning and 239.1MB in the end (delta: 148.9MB). Free memory was 47.4MB in the beginning and 99.8MB in the end (delta: -52.3MB). Peak memory consumption was 97.1MB. Max. memory is 16.1GB. * Witness Printer took 126.16ms. Allocated memory is still 239.1MB. Free memory was 99.8MB in the beginning and 94.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.1s, OverallIterations: 1, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 49 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 92 IncrementalHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 23 mSDtfsCounter, 92 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 46 PreInvPairs, 62 NumberOfFragments, 559 HoareAnnotationTreeSize, 46 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 165 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 485 SizeOfPredicates, 23 NumberOfNonLiveVariables, 132 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 2 InterpolantComputations, 0 PerfectInterpolantSequences, 366/420 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2023-11-21 22:25:46,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ad105-f86d-4438-a5bd-9a1047349693/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE