./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya --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 f47940496008161a782f20a4338b252b7e8441d88b3ef3882a191d3af1981916 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:21:48,854 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:21:48,917 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 04:21:48,923 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:21:48,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:21:48,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:21:48,949 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:21:48,950 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:21:48,951 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:21:48,951 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:21:48,952 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:21:48,952 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:21:48,953 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:21:48,953 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:21:48,954 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:21:48,954 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:21:48,955 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:21:48,955 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:21:48,956 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:21:48,956 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:21:48,956 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:21:48,957 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:21:48,958 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:21:48,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:21:48,958 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:21:48,959 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:21:48,959 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:21:48,960 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:21:48,960 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:21:48,960 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:21:48,961 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:21:48,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:21:48,962 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:21:48,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:21:48,963 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:21:48,963 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:21:48,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:21:48,963 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:21:48,964 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:21:48,964 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:21:48,964 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:21:48,964 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:21:48,965 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_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f47940496008161a782f20a4338b252b7e8441d88b3ef3882a191d3af1981916 [2023-11-29 04:21:49,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:21:49,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:21:49,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:21:49,183 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:21:49,184 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:21:49,185 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i [2023-11-29 04:21:51,990 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:21:52,156 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:21:52,157 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i [2023-11-29 04:21:52,165 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/data/9b6219aef/871ccf9a0fa74ee99dbcb9ebf38c9d91/FLAG316b85ed6 [2023-11-29 04:21:52,178 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/data/9b6219aef/871ccf9a0fa74ee99dbcb9ebf38c9d91 [2023-11-29 04:21:52,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:21:52,183 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:21:52,184 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:21:52,184 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:21:52,189 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:21:52,190 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:21:52" (1/1) ... [2023-11-29 04:21:52,191 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c019d6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:52, skipping insertion in model container [2023-11-29 04:21:52,191 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:21:52" (1/1) ... [2023-11-29 04:21:52,217 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:21:52,336 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_2d725056-dd29-458c-9ca0-4398d43a484c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i[915,928] [2023-11-29 04:21:52,368 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:21:52,380 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:21:52,391 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_2d725056-dd29-458c-9ca0-4398d43a484c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i[915,928] [2023-11-29 04:21:52,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:21:52,424 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:21:52,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:52 WrapperNode [2023-11-29 04:21:52,425 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:21:52,426 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:21:52,426 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:21:52,426 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:21:52,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:52" (1/1) ... [2023-11-29 04:21:52,440 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:52" (1/1) ... [2023-11-29 04:21:52,467 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106 [2023-11-29 04:21:52,468 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:21:52,469 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:21:52,469 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:21:52,469 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:21:52,478 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:52" (1/1) ... [2023-11-29 04:21:52,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:52" (1/1) ... [2023-11-29 04:21:52,481 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:52" (1/1) ... [2023-11-29 04:21:52,493 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 04:21:52,494 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:52" (1/1) ... [2023-11-29 04:21:52,494 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:52" (1/1) ... [2023-11-29 04:21:52,500 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:52" (1/1) ... [2023-11-29 04:21:52,504 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:52" (1/1) ... [2023-11-29 04:21:52,505 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:52" (1/1) ... [2023-11-29 04:21:52,507 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:52" (1/1) ... [2023-11-29 04:21:52,509 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:21:52,510 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:21:52,511 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:21:52,511 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:21:52,512 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:52" (1/1) ... [2023-11-29 04:21:52,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:21:52,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:21:52,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:21:52,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:21:52,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:21:52,575 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 04:21:52,575 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 04:21:52,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 04:21:52,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:21:52,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:21:52,643 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:21:52,645 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:21:52,862 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:21:52,907 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:21:52,907 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 04:21:52,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:21:52 BoogieIcfgContainer [2023-11-29 04:21:52,908 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:21:52,911 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:21:52,911 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:21:52,915 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:21:52,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:21:52" (1/3) ... [2023-11-29 04:21:52,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7fbf6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:21:52, skipping insertion in model container [2023-11-29 04:21:52,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:52" (2/3) ... [2023-11-29 04:21:52,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7fbf6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:21:52, skipping insertion in model container [2023-11-29 04:21:52,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:21:52" (3/3) ... [2023-11-29 04:21:52,918 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-88.i [2023-11-29 04:21:52,937 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:21:52,937 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:21:52,981 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:21:52,987 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;@516927d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:21:52,988 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:21:52,992 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 26 states have (on average 1.5) internal successors, (39), 27 states have internal predecessors, (39), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-29 04:21:53,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-29 04:21:53,005 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:21:53,005 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:21:53,006 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:21:53,011 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:21:53,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1589428519, now seen corresponding path program 1 times [2023-11-29 04:21:53,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:21:53,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903856238] [2023-11-29 04:21:53,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:21:53,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:21:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:21:53,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:21:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:21:53,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:21:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:21:53,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 04:21:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:21:53,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 04:21:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:21:53,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 04:21:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:21:53,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 04:21:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:21:53,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 04:21:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:21:53,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 04:21:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:21:53,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 04:21:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:21:53,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 04:21:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:21:53,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 04:21:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:21:53,284 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-29 04:21:53,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:21:53,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903856238] [2023-11-29 04:21:53,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903856238] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:21:53,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:21:53,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:21:53,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421067647] [2023-11-29 04:21:53,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:21:53,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 04:21:53,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:21:53,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 04:21:53,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:21:53,323 INFO L87 Difference]: Start difference. First operand has 40 states, 26 states have (on average 1.5) internal successors, (39), 27 states have internal predecessors, (39), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 04:21:53,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:21:53,353 INFO L93 Difference]: Finished difference Result 77 states and 131 transitions. [2023-11-29 04:21:53,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:21:53,356 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 72 [2023-11-29 04:21:53,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:21:53,363 INFO L225 Difference]: With dead ends: 77 [2023-11-29 04:21:53,363 INFO L226 Difference]: Without dead ends: 38 [2023-11-29 04:21:53,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:21:53,370 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:21:53,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 53 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:21:53,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-11-29 04:21:53,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2023-11-29 04:21:53,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 25 states have (on average 1.36) internal successors, (34), 25 states have internal predecessors, (34), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-29 04:21:53,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 56 transitions. [2023-11-29 04:21:53,407 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 56 transitions. Word has length 72 [2023-11-29 04:21:53,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:21:53,408 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 56 transitions. [2023-11-29 04:21:53,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 04:21:53,408 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 56 transitions. [2023-11-29 04:21:53,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-29 04:21:53,412 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:21:53,412 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:21:53,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:21:53,413 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:21:53,414 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:21:53,414 INFO L85 PathProgramCache]: Analyzing trace with hash 561954263, now seen corresponding path program 1 times [2023-11-29 04:21:53,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:21:53,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035814427] [2023-11-29 04:21:53,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:21:53,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:21:53,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:21:53,518 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:21:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:21:53,597 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:21:53,598 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 04:21:53,599 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 04:21:53,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 04:21:53,605 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-29 04:21:53,608 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:21:53,652 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 04:21:53,653 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated [2023-11-29 04:21:53,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:21:53 BoogieIcfgContainer [2023-11-29 04:21:53,668 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:21:53,669 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:21:53,669 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:21:53,669 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:21:53,670 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:21:52" (3/4) ... [2023-11-29 04:21:53,672 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 04:21:53,673 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:21:53,674 INFO L158 Benchmark]: Toolchain (without parser) took 1491.48ms. Allocated memory is still 169.9MB. Free memory was 133.8MB in the beginning and 103.8MB in the end (delta: 30.0MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2023-11-29 04:21:53,675 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:21:53,675 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.74ms. Allocated memory is still 169.9MB. Free memory was 133.5MB in the beginning and 122.0MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 04:21:53,676 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.24ms. Allocated memory is still 169.9MB. Free memory was 121.7MB in the beginning and 119.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:21:53,677 INFO L158 Benchmark]: Boogie Preprocessor took 41.00ms. Allocated memory is still 169.9MB. Free memory was 119.7MB in the beginning and 117.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:21:53,677 INFO L158 Benchmark]: RCFGBuilder took 397.88ms. Allocated memory is still 169.9MB. Free memory was 117.3MB in the beginning and 100.9MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 04:21:53,678 INFO L158 Benchmark]: TraceAbstraction took 757.42ms. Allocated memory is still 169.9MB. Free memory was 100.0MB in the beginning and 104.4MB in the end (delta: -4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:21:53,678 INFO L158 Benchmark]: Witness Printer took 4.40ms. Allocated memory is still 169.9MB. Free memory was 104.4MB in the beginning and 103.8MB in the end (delta: 660.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:21:53,681 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.74ms. Allocated memory is still 169.9MB. Free memory was 133.5MB in the beginning and 122.0MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.24ms. Allocated memory is still 169.9MB. Free memory was 121.7MB in the beginning and 119.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.00ms. Allocated memory is still 169.9MB. Free memory was 119.7MB in the beginning and 117.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 397.88ms. Allocated memory is still 169.9MB. Free memory was 117.3MB in the beginning and 100.9MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 757.42ms. Allocated memory is still 169.9MB. Free memory was 100.0MB in the beginning and 104.4MB in the end (delta: -4.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.40ms. Allocated memory is still 169.9MB. Free memory was 104.4MB in the beginning and 103.8MB in the end (delta: 660.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 80. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -8; [L23] signed char var_1_10 = -64; [L24] unsigned char var_1_11 = 0; [L25] unsigned char var_1_12 = 0; [L26] unsigned char var_1_13 = 1; [L27] unsigned char var_1_14 = 0; [L28] unsigned char var_1_15 = 0; [L29] signed long int var_1_16 = -16; [L30] float var_1_17 = 3.5; [L31] float var_1_18 = 128.45; [L32] unsigned long int var_1_19 = 50; [L33] unsigned long int var_1_20 = 25; [L84] isInitial = 1 [L85] FCALL initially() [L86] COND TRUE 1 [L87] FCALL updateLastVariables() [L88] CALL updateVariables() [L59] var_1_10 = __VERIFIER_nondet_char() [L60] CALL assume_abort_if_not(var_1_10 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L60] RET assume_abort_if_not(var_1_10 >= -127) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L61] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L61] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L62] var_1_12 = __VERIFIER_nondet_uchar() [L63] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L63] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L64] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L64] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L65] var_1_14 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L66] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L67] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L67] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L68] var_1_15 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L69] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L70] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L70] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L71] var_1_18 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=25] [L72] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=25] [L73] var_1_20 = __VERIFIER_nondet_ulong() [L74] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8] [L74] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8] [L75] CALL assume_abort_if_not(var_1_20 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=0] [L75] RET assume_abort_if_not(var_1_20 <= 4294967294) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=0] [L88] RET updateVariables() [L89] CALL step() [L37] var_1_13 = (var_1_14 && var_1_15) [L38] var_1_17 = var_1_18 [L39] var_1_19 = var_1_20 VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=133, var_1_18=133, var_1_19=0, var_1_1=-8, var_1_20=0] [L40] COND TRUE (- (var_1_17 + var_1_17)) > var_1_17 [L41] var_1_11 = var_1_12 VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=133, var_1_18=133, var_1_19=0, var_1_1=-8, var_1_20=0] [L43] var_1_16 = var_1_19 VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=0, var_1_17=133, var_1_18=133, var_1_19=0, var_1_1=-8, var_1_20=0] [L44] EXPR var_1_16 | var_1_19 VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=0, var_1_17=133, var_1_18=133, var_1_19=0, var_1_1=-8, var_1_20=0] [L44] COND FALSE !(((var_1_16 | var_1_19) > var_1_16) && var_1_11) [L55] var_1_1 = var_1_10 VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=0, var_1_17=133, var_1_18=133, var_1_19=0, var_1_1=126, var_1_20=0] [L89] RET step() [L90] CALL, EXPR property() [L80] EXPR var_1_16 | var_1_19 VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=0, var_1_17=133, var_1_18=133, var_1_19=0, var_1_1=126, var_1_20=0] [L80-L81] return ((((((((var_1_16 | var_1_19) > var_1_16) && var_1_11) ? (((var_1_19 != -16) && (var_1_17 <= (var_1_17 + var_1_17))) ? ((var_1_17 > var_1_17) ? (var_1_1 == ((signed char) var_1_10)) : (var_1_1 == ((signed char) var_1_10))) : (var_1_1 == ((signed char) var_1_10))) : (var_1_1 == ((signed char) var_1_10))) && (((- (var_1_17 + var_1_17)) > var_1_17) ? (var_1_11 == ((unsigned char) var_1_12)) : 1)) && (var_1_13 == ((unsigned char) (var_1_14 && var_1_15)))) && (var_1_16 == ((signed long int) var_1_19))) && (var_1_17 == ((float) var_1_18))) && (var_1_19 == ((unsigned long int) var_1_20)) ; [L90] RET, EXPR property() [L90] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=0, var_1_17=133, var_1_18=133, var_1_19=0, var_1_1=126, var_1_20=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=0, var_1_17=133, var_1_18=133, var_1_19=0, var_1_1=126, var_1_20=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 53 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 53 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 71 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 220/220 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 [2023-11-29 04:21:53,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya --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 f47940496008161a782f20a4338b252b7e8441d88b3ef3882a191d3af1981916 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:21:55,600 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:21:55,673 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 04:21:55,679 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:21:55,680 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:21:55,707 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:21:55,708 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:21:55,708 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:21:55,709 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:21:55,710 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:21:55,710 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:21:55,711 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:21:55,712 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:21:55,712 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:21:55,713 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:21:55,713 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:21:55,714 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:21:55,715 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:21:55,715 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:21:55,716 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:21:55,716 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:21:55,717 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:21:55,717 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:21:55,718 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 04:21:55,718 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 04:21:55,718 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 04:21:55,719 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:21:55,719 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:21:55,720 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:21:55,720 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:21:55,720 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:21:55,721 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:21:55,721 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:21:55,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:21:55,722 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:21:55,722 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:21:55,722 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:21:55,722 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 04:21:55,722 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 04:21:55,723 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:21:55,723 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:21:55,723 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:21:55,723 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:21:55,723 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:21:55,724 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 04:21:55,724 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_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f47940496008161a782f20a4338b252b7e8441d88b3ef3882a191d3af1981916 [2023-11-29 04:21:56,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:21:56,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:21:56,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:21:56,038 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:21:56,039 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:21:56,040 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i [2023-11-29 04:21:58,869 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:21:59,055 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:21:59,056 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i [2023-11-29 04:21:59,063 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/data/4a7805802/bc79c8f4b7714a679183f1d5a8513ab9/FLAGf5b129f90 [2023-11-29 04:21:59,080 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/data/4a7805802/bc79c8f4b7714a679183f1d5a8513ab9 [2023-11-29 04:21:59,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:21:59,084 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:21:59,086 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:21:59,086 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:21:59,091 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:21:59,092 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:21:59" (1/1) ... [2023-11-29 04:21:59,093 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fc05a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:59, skipping insertion in model container [2023-11-29 04:21:59,093 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:21:59" (1/1) ... [2023-11-29 04:21:59,120 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:21:59,275 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_2d725056-dd29-458c-9ca0-4398d43a484c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i[915,928] [2023-11-29 04:21:59,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:21:59,323 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:21:59,337 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_2d725056-dd29-458c-9ca0-4398d43a484c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i[915,928] [2023-11-29 04:21:59,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:21:59,373 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:21:59,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:59 WrapperNode [2023-11-29 04:21:59,374 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:21:59,375 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:21:59,375 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:21:59,376 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:21:59,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:59" (1/1) ... [2023-11-29 04:21:59,395 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:59" (1/1) ... [2023-11-29 04:21:59,421 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 88 [2023-11-29 04:21:59,421 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:21:59,422 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:21:59,422 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:21:59,422 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:21:59,436 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:59" (1/1) ... [2023-11-29 04:21:59,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:59" (1/1) ... [2023-11-29 04:21:59,440 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:59" (1/1) ... [2023-11-29 04:21:59,455 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 04:21:59,456 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:59" (1/1) ... [2023-11-29 04:21:59,456 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:59" (1/1) ... [2023-11-29 04:21:59,476 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:59" (1/1) ... [2023-11-29 04:21:59,480 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:59" (1/1) ... [2023-11-29 04:21:59,483 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:59" (1/1) ... [2023-11-29 04:21:59,485 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:59" (1/1) ... [2023-11-29 04:21:59,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:21:59,489 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:21:59,489 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:21:59,490 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:21:59,490 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:59" (1/1) ... [2023-11-29 04:21:59,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:21:59,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:21:59,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:21:59,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:21:59,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:21:59,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 04:21:59,560 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 04:21:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 04:21:59,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:21:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:21:59,653 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:21:59,656 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:22:00,031 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:22:00,075 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:22:00,075 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 04:22:00,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:22:00 BoogieIcfgContainer [2023-11-29 04:22:00,076 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:22:00,079 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:22:00,079 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:22:00,082 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:22:00,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:21:59" (1/3) ... [2023-11-29 04:22:00,083 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb11798 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:22:00, skipping insertion in model container [2023-11-29 04:22:00,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:59" (2/3) ... [2023-11-29 04:22:00,084 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb11798 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:22:00, skipping insertion in model container [2023-11-29 04:22:00,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:22:00" (3/3) ... [2023-11-29 04:22:00,085 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-88.i [2023-11-29 04:22:00,105 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:22:00,106 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:22:00,156 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:22:00,164 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;@2bb25ac8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:22:00,164 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:22:00,174 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 22 states have internal predecessors, (30), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-29 04:22:00,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-29 04:22:00,184 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:22:00,184 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:22:00,185 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:22:00,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:22:00,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1794176218, now seen corresponding path program 1 times [2023-11-29 04:22:00,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:22:00,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [732147180] [2023-11-29 04:22:00,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:22:00,202 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 [2023-11-29 04:22:00,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:22:00,212 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 04:22:00,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 04:22:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:00,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 04:22:00,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:22:00,418 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2023-11-29 04:22:00,418 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:22:00,419 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:22:00,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [732147180] [2023-11-29 04:22:00,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [732147180] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:22:00,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:22:00,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:22:00,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345367019] [2023-11-29 04:22:00,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:22:00,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 04:22:00,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:22:00,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 04:22:00,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:22:00,463 INFO L87 Difference]: Start difference. First operand has 35 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 22 states have internal predecessors, (30), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-29 04:22:00,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:22:00,523 INFO L93 Difference]: Finished difference Result 67 states and 113 transitions. [2023-11-29 04:22:00,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:22:00,528 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 69 [2023-11-29 04:22:00,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:22:00,533 INFO L225 Difference]: With dead ends: 67 [2023-11-29 04:22:00,533 INFO L226 Difference]: Without dead ends: 33 [2023-11-29 04:22:00,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:22:00,540 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:22:00,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:22:00,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-11-29 04:22:00,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2023-11-29 04:22:00,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 20 states have (on average 1.2) internal successors, (24), 20 states have internal predecessors, (24), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-29 04:22:00,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2023-11-29 04:22:00,583 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 69 [2023-11-29 04:22:00,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:22:00,584 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2023-11-29 04:22:00,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-29 04:22:00,584 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2023-11-29 04:22:00,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-29 04:22:00,588 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:22:00,588 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:22:00,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 04:22:00,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 04:22:00,790 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:22:00,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:22:00,791 INFO L85 PathProgramCache]: Analyzing trace with hash 191366812, now seen corresponding path program 1 times [2023-11-29 04:22:00,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:22:00,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1774571365] [2023-11-29 04:22:00,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:22:00,792 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 [2023-11-29 04:22:00,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:22:00,793 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 04:22:00,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-29 04:22:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:00,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 04:22:00,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:22:04,023 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 90 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-11-29 04:22:04,023 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:22:10,503 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-29 04:22:10,504 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:22:10,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1774571365] [2023-11-29 04:22:10,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1774571365] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 04:22:10,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:22:10,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2023-11-29 04:22:10,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99680073] [2023-11-29 04:22:10,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:22:10,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 04:22:10,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:22:10,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 04:22:10,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2023-11-29 04:22:10,509 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-29 04:22:13,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:22:13,792 INFO L93 Difference]: Finished difference Result 82 states and 110 transitions. [2023-11-29 04:22:13,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 04:22:13,796 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 69 [2023-11-29 04:22:13,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:22:13,798 INFO L225 Difference]: With dead ends: 82 [2023-11-29 04:22:13,798 INFO L226 Difference]: Without dead ends: 50 [2023-11-29 04:22:13,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2023-11-29 04:22:13,800 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 40 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:22:13,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 123 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-29 04:22:13,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-29 04:22:13,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 49. [2023-11-29 04:22:13,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 32 states have (on average 1.125) internal successors, (36), 33 states have internal predecessors, (36), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-29 04:22:13,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 62 transitions. [2023-11-29 04:22:13,815 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 62 transitions. Word has length 69 [2023-11-29 04:22:13,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:22:13,816 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 62 transitions. [2023-11-29 04:22:13,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-29 04:22:13,817 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 62 transitions. [2023-11-29 04:22:13,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-29 04:22:13,818 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:22:13,819 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:22:13,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 04:22:14,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 04:22:14,020 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:22:14,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:22:14,020 INFO L85 PathProgramCache]: Analyzing trace with hash 248625114, now seen corresponding path program 1 times [2023-11-29 04:22:14,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:22:14,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1991526813] [2023-11-29 04:22:14,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:22:14,021 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 [2023-11-29 04:22:14,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:22:14,022 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 04:22:14,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-29 04:22:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:14,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 04:22:14,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:22:16,858 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 149 proven. 24 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-29 04:22:16,858 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:22:23,705 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:22:23,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1991526813] [2023-11-29 04:22:23,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1991526813] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:22:23,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1243921056] [2023-11-29 04:22:23,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:22:23,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 04:22:23,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 04:22:23,707 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 04:22:23,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-29 04:22:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:23,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-29 04:22:24,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:22:33,402 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 158 proven. 30 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-29 04:22:33,402 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:22:43,932 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-29 04:22:43,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1243921056] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:22:43,933 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 04:22:43,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 22, 10] total 40 [2023-11-29 04:22:43,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341264355] [2023-11-29 04:22:43,933 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 04:22:43,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-11-29 04:22:43,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:22:43,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-11-29 04:22:43,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=326, Invalid=1654, Unknown=0, NotChecked=0, Total=1980 [2023-11-29 04:22:43,938 INFO L87 Difference]: Start difference. First operand 49 states and 62 transitions. Second operand has 40 states, 40 states have (on average 1.85) internal successors, (74), 38 states have internal predecessors, (74), 10 states have call successors, (28), 9 states have call predecessors, (28), 13 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2023-11-29 04:22:53,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:23:02,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:23:02,284 INFO L93 Difference]: Finished difference Result 170 states and 193 transitions. [2023-11-29 04:23:02,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-11-29 04:23:02,285 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 1.85) internal successors, (74), 38 states have internal predecessors, (74), 10 states have call successors, (28), 9 states have call predecessors, (28), 13 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) Word has length 69 [2023-11-29 04:23:02,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:23:02,286 INFO L225 Difference]: With dead ends: 170 [2023-11-29 04:23:02,286 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 04:23:02,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2842 ImplicationChecksByTransitivity, 27.1s TimeCoverageRelationStatistics Valid=1985, Invalid=7915, Unknown=0, NotChecked=0, Total=9900 [2023-11-29 04:23:02,293 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 125 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 1048 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 1130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 1048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:23:02,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 329 Invalid, 1130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 1048 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2023-11-29 04:23:02,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 04:23:02,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 04:23:02,295 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) [2023-11-29 04:23:02,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 04:23:02,295 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2023-11-29 04:23:02,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:23:02,295 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 04:23:02,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 1.85) internal successors, (74), 38 states have internal predecessors, (74), 10 states have call successors, (28), 9 states have call predecessors, (28), 13 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2023-11-29 04:23:02,296 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 04:23:02,296 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 04:23:02,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 04:23:02,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-29 04:23:02,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-29 04:23:02,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 04:23:02,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 04:23:11,758 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2023-11-29 04:23:11,758 INFO L895 garLoopResultBuilder]: At program point L60(line 60) the Hoare annotation is: (and (or (not (fp.gt (fp.neg (fp.add currentRoundingMode ~var_1_17~0 ~var_1_17~0)) ~var_1_17~0)) (let ((.cse2 (fp.eq ~var_1_17~0 ~var_1_18~0)) (.cse3 (= ~var_1_19~0 ~var_1_20~0)) (.cse4 ((_ zero_extend 24) ~var_1_13~0)) (.cse0 (= ~var_1_15~0 (_ bv0 8))) (.cse1 (= ~var_1_14~0 (_ bv0 8)))) (and (or .cse0 .cse1 (and .cse2 .cse3 (= (_ bv1 32) .cse4))) (or (and .cse2 .cse3 (= .cse4 (_ bv0 32))) (and (not .cse0) (not .cse1)))))) (let ((.cse6 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse5 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_18~0 (fp.neg .cse5)) (fp.geq ~var_1_18~0 (fp.neg .cse6))) (and (fp.leq ~var_1_18~0 .cse6) (fp.geq ~var_1_18~0 .cse5)))) (= ~var_1_11~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) ~var_1_12~0) (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-29 04:23:11,758 INFO L895 garLoopResultBuilder]: At program point L60-1(line 60) the Hoare annotation is: (and (or (not (fp.gt (fp.neg (fp.add currentRoundingMode ~var_1_17~0 ~var_1_17~0)) ~var_1_17~0)) (let ((.cse2 (fp.eq ~var_1_17~0 ~var_1_18~0)) (.cse3 (= ~var_1_19~0 ~var_1_20~0)) (.cse4 ((_ zero_extend 24) ~var_1_13~0)) (.cse0 (= ~var_1_15~0 (_ bv0 8))) (.cse1 (= ~var_1_14~0 (_ bv0 8)))) (and (or .cse0 .cse1 (and .cse2 .cse3 (= (_ bv1 32) .cse4))) (or (and .cse2 .cse3 (= .cse4 (_ bv0 32))) (and (not .cse0) (not .cse1)))))) (let ((.cse6 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse5 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_18~0 (fp.neg .cse5)) (fp.geq ~var_1_18~0 (fp.neg .cse6))) (and (fp.leq ~var_1_18~0 .cse6) (fp.geq ~var_1_18~0 .cse5)))) (= ~var_1_11~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) ~var_1_12~0) (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-29 04:23:11,759 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-29 04:23:11,759 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-29 04:23:11,759 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-11-29 04:23:11,759 INFO L899 garLoopResultBuilder]: For program point L44(lines 44 56) no Hoare annotation was computed. [2023-11-29 04:23:11,759 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 42) no Hoare annotation was computed. [2023-11-29 04:23:11,759 INFO L899 garLoopResultBuilder]: For program point L40-2(lines 40 42) no Hoare annotation was computed. [2023-11-29 04:23:11,759 INFO L895 garLoopResultBuilder]: At program point L69(line 69) the Hoare annotation is: (let ((.cse0 ((_ zero_extend 24) ~var_1_14~0))) (and (bvsge .cse0 (_ bv1 32)) (bvsle .cse0 (_ bv1 32)) (fp.eq ~var_1_18~0 ~var_1_18~0) (= ~var_1_11~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) ~var_1_12~0) (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven))) [2023-11-29 04:23:11,759 INFO L895 garLoopResultBuilder]: At program point L69-1(line 69) the Hoare annotation is: (let ((.cse0 ((_ zero_extend 24) ~var_1_14~0))) (and (bvsge .cse0 (_ bv1 32)) (bvsle .cse0 (_ bv1 32)) (fp.eq ~var_1_18~0 ~var_1_18~0) (bvsge ((_ zero_extend 24) ~var_1_15~0) (_ bv1 32)) (= ~var_1_11~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) ~var_1_12~0) (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven))) [2023-11-29 04:23:11,759 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 57) no Hoare annotation was computed. [2023-11-29 04:23:11,759 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2023-11-29 04:23:11,760 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-29 04:23:11,760 INFO L895 garLoopResultBuilder]: At program point L86-2(lines 86 92) the Hoare annotation is: (and (or (not (fp.gt (fp.neg (fp.add currentRoundingMode ~var_1_17~0 ~var_1_17~0)) ~var_1_17~0)) (let ((.cse2 (fp.eq ~var_1_17~0 ~var_1_18~0)) (.cse3 (= ~var_1_19~0 ~var_1_20~0)) (.cse4 ((_ zero_extend 24) ~var_1_13~0)) (.cse0 (= ~var_1_15~0 (_ bv0 8))) (.cse1 (= ~var_1_14~0 (_ bv0 8)))) (and (or .cse0 .cse1 (and .cse2 .cse3 (= (_ bv1 32) .cse4))) (or (and .cse2 .cse3 (= .cse4 (_ bv0 32))) (and (not .cse0) (not .cse1)))))) (let ((.cse6 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse5 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_18~0 (fp.neg .cse5)) (fp.geq ~var_1_18~0 (fp.neg .cse6))) (and (fp.leq ~var_1_18~0 .cse6) (fp.geq ~var_1_18~0 .cse5)))) (= ~var_1_11~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) ~var_1_12~0) (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-29 04:23:11,760 INFO L899 garLoopResultBuilder]: For program point L86-3(lines 86 92) no Hoare annotation was computed. [2023-11-29 04:23:11,760 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 53) no Hoare annotation was computed. [2023-11-29 04:23:11,760 INFO L895 garLoopResultBuilder]: At program point L74(line 74) the Hoare annotation is: (let ((.cse0 ((_ zero_extend 24) ~var_1_14~0)) (.cse3 ((_ zero_extend 24) ~var_1_15~0))) (and (bvsge .cse0 (_ bv1 32)) (bvsle .cse0 (_ bv1 32)) (let ((.cse2 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_18~0 (fp.neg .cse1)) (fp.geq ~var_1_18~0 (fp.neg .cse2))) (and (fp.leq ~var_1_18~0 .cse2) (fp.geq ~var_1_18~0 .cse1)))) (bvsle .cse3 (_ bv1 32)) (bvsge .cse3 (_ bv1 32)) (= ~var_1_11~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) ~var_1_12~0) (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven))) [2023-11-29 04:23:11,760 INFO L895 garLoopResultBuilder]: At program point L74-1(line 74) the Hoare annotation is: (let ((.cse0 ((_ zero_extend 24) ~var_1_14~0)) (.cse3 ((_ zero_extend 24) ~var_1_15~0))) (and (bvsge .cse0 (_ bv1 32)) (bvsle .cse0 (_ bv1 32)) (let ((.cse2 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_18~0 (fp.neg .cse1)) (fp.geq ~var_1_18~0 (fp.neg .cse2))) (and (fp.leq ~var_1_18~0 .cse2) (fp.geq ~var_1_18~0 .cse1)))) (bvsle .cse3 (_ bv1 32)) (bvsge .cse3 (_ bv1 32)) (= ~var_1_11~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) ~var_1_12~0) (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven))) [2023-11-29 04:23:11,760 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2023-11-29 04:23:11,760 INFO L895 garLoopResultBuilder]: At program point L66(line 66) the Hoare annotation is: (and (fp.eq ~var_1_18~0 ~var_1_18~0) (= ~var_1_11~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) ~var_1_12~0) (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-29 04:23:11,761 INFO L895 garLoopResultBuilder]: At program point L66-1(line 66) the Hoare annotation is: (and (bvsge ((_ zero_extend 24) ~var_1_14~0) (_ bv1 32)) (fp.eq ~var_1_18~0 ~var_1_18~0) (= ~var_1_11~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) ~var_1_12~0) (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-29 04:23:11,761 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 04:23:11,761 INFO L899 garLoopResultBuilder]: For program point L46(lines 46 50) no Hoare annotation was computed. [2023-11-29 04:23:11,761 INFO L899 garLoopResultBuilder]: For program point L75(lines 58 76) no Hoare annotation was computed. [2023-11-29 04:23:11,761 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 04:23:11,761 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2023-11-29 04:23:11,761 INFO L895 garLoopResultBuilder]: At program point L63(line 63) the Hoare annotation is: (and (or (not (fp.gt (fp.neg (fp.add currentRoundingMode ~var_1_17~0 ~var_1_17~0)) ~var_1_17~0)) (let ((.cse2 (fp.eq ~var_1_17~0 ~var_1_18~0)) (.cse3 (= ~var_1_19~0 ~var_1_20~0)) (.cse4 ((_ zero_extend 24) ~var_1_13~0)) (.cse0 (= ~var_1_15~0 (_ bv0 8))) (.cse1 (= ~var_1_14~0 (_ bv0 8)))) (and (or .cse0 .cse1 (and .cse2 .cse3 (= (_ bv1 32) .cse4))) (or (and .cse2 .cse3 (= .cse4 (_ bv0 32))) (and (not .cse0) (not .cse1)))))) (fp.eq ~var_1_18~0 ~var_1_18~0) (= ~var_1_11~0 (_ bv0 8)) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-29 04:23:11,761 INFO L895 garLoopResultBuilder]: At program point L63-1(line 63) the Hoare annotation is: (and (or (not (fp.gt (fp.neg (fp.add currentRoundingMode ~var_1_17~0 ~var_1_17~0)) ~var_1_17~0)) (let ((.cse2 (fp.eq ~var_1_17~0 ~var_1_18~0)) (.cse3 (= ~var_1_19~0 ~var_1_20~0)) (.cse4 ((_ zero_extend 24) ~var_1_13~0)) (.cse0 (= ~var_1_15~0 (_ bv0 8))) (.cse1 (= ~var_1_14~0 (_ bv0 8)))) (and (or .cse0 .cse1 (and .cse2 .cse3 (= (_ bv1 32) .cse4))) (or (and .cse2 .cse3 (= .cse4 (_ bv0 32))) (and (not .cse0) (not .cse1)))))) (fp.eq ~var_1_18~0 ~var_1_18~0) (= ~var_1_11~0 (_ bv0 8)) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-29 04:23:11,761 INFO L895 garLoopResultBuilder]: At program point L72(line 72) the Hoare annotation is: (let ((.cse0 ((_ zero_extend 24) ~var_1_14~0)) (.cse1 ((_ zero_extend 24) ~var_1_15~0))) (and (bvsge .cse0 (_ bv1 32)) (bvsle .cse0 (_ bv1 32)) (bvsle .cse1 (_ bv1 32)) (bvsge .cse1 (_ bv1 32)) (= ~var_1_11~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) ~var_1_12~0) (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven))) [2023-11-29 04:23:11,761 INFO L899 garLoopResultBuilder]: For program point L72-1(line 72) no Hoare annotation was computed. [2023-11-29 04:23:11,762 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-29 04:23:11,762 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-11-29 04:23:11,762 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-11-29 04:23:11,762 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-29 04:23:11,764 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-29 04:23:11,766 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:23:11,778 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2023-11-29 04:23:11,779 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2023-11-29 04:23:11,780 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-29 04:23:11,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:23:11 BoogieIcfgContainer [2023-11-29 04:23:11,781 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:23:11,781 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:23:11,781 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:23:11,782 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:23:11,782 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:22:00" (3/4) ... [2023-11-29 04:23:11,784 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 04:23:11,787 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-29 04:23:11,792 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-29 04:23:11,793 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-29 04:23:11,793 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 04:23:11,793 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 04:23:11,881 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 04:23:11,882 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 04:23:11,882 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:23:11,883 INFO L158 Benchmark]: Toolchain (without parser) took 72798.71ms. Allocated memory was 73.4MB in the beginning and 119.5MB in the end (delta: 46.1MB). Free memory was 47.3MB in the beginning and 37.1MB in the end (delta: 10.3MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2023-11-29 04:23:11,883 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 73.4MB. Free memory is still 49.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:23:11,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.59ms. Allocated memory is still 73.4MB. Free memory was 47.1MB in the beginning and 35.0MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 04:23:11,884 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.39ms. Allocated memory is still 73.4MB. Free memory was 34.8MB in the beginning and 33.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:23:11,885 INFO L158 Benchmark]: Boogie Preprocessor took 66.35ms. Allocated memory is still 73.4MB. Free memory was 33.0MB in the beginning and 52.6MB in the end (delta: -19.7MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2023-11-29 04:23:11,885 INFO L158 Benchmark]: RCFGBuilder took 586.83ms. Allocated memory is still 73.4MB. Free memory was 52.6MB in the beginning and 35.5MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 04:23:11,885 INFO L158 Benchmark]: TraceAbstraction took 71702.12ms. Allocated memory was 73.4MB in the beginning and 119.5MB in the end (delta: 46.1MB). Free memory was 34.9MB in the beginning and 42.3MB in the end (delta: -7.4MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. [2023-11-29 04:23:11,886 INFO L158 Benchmark]: Witness Printer took 101.00ms. Allocated memory is still 119.5MB. Free memory was 42.3MB in the beginning and 37.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 04:23:11,887 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 73.4MB. Free memory is still 49.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.59ms. Allocated memory is still 73.4MB. Free memory was 47.1MB in the beginning and 35.0MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.39ms. Allocated memory is still 73.4MB. Free memory was 34.8MB in the beginning and 33.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.35ms. Allocated memory is still 73.4MB. Free memory was 33.0MB in the beginning and 52.6MB in the end (delta: -19.7MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * RCFGBuilder took 586.83ms. Allocated memory is still 73.4MB. Free memory was 52.6MB in the beginning and 35.5MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 71702.12ms. Allocated memory was 73.4MB in the beginning and 119.5MB in the end (delta: 46.1MB). Free memory was 34.9MB in the beginning and 42.3MB in the end (delta: -7.4MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. * Witness Printer took 101.00ms. Allocated memory is still 119.5MB. Free memory was 42.3MB in the beginning and 37.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - 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, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 71.6s, OverallIterations: 3, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 21.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 168 SdHoareTripleChecker+Valid, 8.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 165 mSDsluCounter, 495 SdHoareTripleChecker+Invalid, 7.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 359 mSDsCounter, 85 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1160 IncrementalHoareTripleChecker+Invalid, 1245 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 85 mSolverCounterUnsat, 136 mSDtfsCounter, 1160 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 488 GetRequests, 375 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2885 ImplicationChecksByTransitivity, 31.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=2, InterpolantAutomatonStates: 68, 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, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 70 PreInvPairs, 96 NumberOfFragments, 585 HoareAnnotationTreeSize, 70 FomulaSimplifications, 622 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 3439 FormulaSimplificationTreeSizeReductionInter, 9.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 39.1s InterpolantComputationTime, 276 NumberOfCodeBlocks, 276 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 408 ConstructedInterpolants, 0 QuantifiedInterpolants, 3505 SizeOfPredicates, 64 NumberOfNonLiveVariables, 490 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 1254/1320 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: 86]: Loop Invariant Derived loop invariant: ((var_1_11 == 0) && (var_1_12 <= 0)) RESULT: Ultimate proved your program to be correct! [2023-11-29 04:23:11,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d725056-dd29-458c-9ca0-4398d43a484c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE