./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-9.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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_75a1812f-da2d-4761-8211-f3d6a3ad1d15/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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 5105a9ac8fbead4327a3048bb26dd37319bc5d26c3f11dcff18c222fc5bc4641 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:21:42,880 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:21:42,940 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 04:21:42,944 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:21:42,945 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:21:42,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:21:42,970 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:21:42,970 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:21:42,971 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:21:42,972 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:21:42,972 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:21:42,973 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:21:42,973 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:21:42,974 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:21:42,974 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:21:42,975 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:21:42,975 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:21:42,976 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:21:42,976 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:21:42,977 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:21:42,977 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:21:42,978 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:21:42,978 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:21:42,978 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:21:42,979 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:21:42,979 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:21:42,980 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:21:42,980 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:21:42,980 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:21:42,981 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:21:42,981 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:21:42,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:21:42,982 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:21:42,982 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:21:42,982 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:21:42,982 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:21:42,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:21:42,983 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:21:42,983 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:21:42,983 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:21:42,983 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:21:42,983 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:21:42,984 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_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5105a9ac8fbead4327a3048bb26dd37319bc5d26c3f11dcff18c222fc5bc4641 [2023-11-29 04:21:43,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:21:43,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:21:43,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:21:43,230 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:21:43,231 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:21:43,232 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-9.i [2023-11-29 04:21:45,948 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:21:46,137 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:21:46,137 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-9.i [2023-11-29 04:21:46,145 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/bin/uautomizer-verify-BQ2R08f2Ya/data/96b0de38f/1c540248acaa4cf4ba9f7a0d62043dec/FLAGa0f4a82ca [2023-11-29 04:21:46,157 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/bin/uautomizer-verify-BQ2R08f2Ya/data/96b0de38f/1c540248acaa4cf4ba9f7a0d62043dec [2023-11-29 04:21:46,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:21:46,161 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:21:46,162 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:21:46,162 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:21:46,166 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:21:46,167 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:21:46" (1/1) ... [2023-11-29 04:21:46,168 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@755837ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:46, skipping insertion in model container [2023-11-29 04:21:46,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:21:46" (1/1) ... [2023-11-29 04:21:46,192 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:21:46,307 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_75a1812f-da2d-4761-8211-f3d6a3ad1d15/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-9.i[914,927] [2023-11-29 04:21:46,332 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:21:46,342 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:21:46,352 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_75a1812f-da2d-4761-8211-f3d6a3ad1d15/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-9.i[914,927] [2023-11-29 04:21:46,366 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:21:46,381 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:21:46,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:46 WrapperNode [2023-11-29 04:21:46,382 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:21:46,383 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:21:46,383 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:21:46,383 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:21:46,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:46" (1/1) ... [2023-11-29 04:21:46,396 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:46" (1/1) ... [2023-11-29 04:21:46,420 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 77 [2023-11-29 04:21:46,421 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:21:46,422 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:21:46,422 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:21:46,422 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:21:46,433 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:46" (1/1) ... [2023-11-29 04:21:46,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:46" (1/1) ... [2023-11-29 04:21:46,435 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:46" (1/1) ... [2023-11-29 04:21:46,447 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 04:21:46,448 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:46" (1/1) ... [2023-11-29 04:21:46,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:46" (1/1) ... [2023-11-29 04:21:46,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:46" (1/1) ... [2023-11-29 04:21:46,457 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:46" (1/1) ... [2023-11-29 04:21:46,458 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:46" (1/1) ... [2023-11-29 04:21:46,460 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:46" (1/1) ... [2023-11-29 04:21:46,462 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:21:46,463 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:21:46,463 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:21:46,463 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:21:46,464 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:46" (1/1) ... [2023-11-29 04:21:46,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:21:46,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:21:46,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:21:46,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:21:46,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:21:46,527 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 04:21:46,528 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 04:21:46,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 04:21:46,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:21:46,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:21:46,605 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:21:46,607 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:21:46,768 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:21:46,805 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:21:46,806 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 04:21:46,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:21:46 BoogieIcfgContainer [2023-11-29 04:21:46,806 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:21:46,809 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:21:46,810 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:21:46,813 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:21:46,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:21:46" (1/3) ... [2023-11-29 04:21:46,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53e47058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:21:46, skipping insertion in model container [2023-11-29 04:21:46,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:46" (2/3) ... [2023-11-29 04:21:46,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53e47058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:21:46, skipping insertion in model container [2023-11-29 04:21:46,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:21:46" (3/3) ... [2023-11-29 04:21:46,816 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-9.i [2023-11-29 04:21:46,836 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:21:46,836 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:21:46,887 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:21:46,893 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;@5ac4a79d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:21:46,893 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:21:46,897 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 20 states have (on average 1.45) internal successors, (29), 21 states have internal predecessors, (29), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 04:21:46,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-29 04:21:46,905 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:21:46,905 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 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 04:21:46,906 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:21:46,910 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:21:46,911 INFO L85 PathProgramCache]: Analyzing trace with hash 704363017, now seen corresponding path program 1 times [2023-11-29 04:21:46,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:21:46,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746916830] [2023-11-29 04:21:46,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:21:46,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:21:47,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:21:47,057 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:21:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:21:47,142 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:21:47,144 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 04:21:47,145 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 04:21:47,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:21:47,150 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-29 04:21:47,155 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:21:47,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:21:47 BoogieIcfgContainer [2023-11-29 04:21:47,194 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:21:47,194 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:21:47,195 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:21:47,195 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:21:47,195 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:21:46" (3/4) ... [2023-11-29 04:21:47,198 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 04:21:47,199 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:21:47,200 INFO L158 Benchmark]: Toolchain (without parser) took 1039.60ms. Allocated memory is still 174.1MB. Free memory was 141.1MB in the beginning and 91.6MB in the end (delta: 49.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-29 04:21:47,201 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 125.8MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:21:47,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.11ms. Allocated memory is still 174.1MB. Free memory was 140.8MB in the beginning and 129.7MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 04:21:47,202 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.64ms. Allocated memory is still 174.1MB. Free memory was 129.4MB in the beginning and 127.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:21:47,203 INFO L158 Benchmark]: Boogie Preprocessor took 40.33ms. Allocated memory is still 174.1MB. Free memory was 127.8MB in the beginning and 125.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:21:47,203 INFO L158 Benchmark]: RCFGBuilder took 343.52ms. Allocated memory is still 174.1MB. Free memory was 125.7MB in the beginning and 112.3MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 04:21:47,204 INFO L158 Benchmark]: TraceAbstraction took 384.46ms. Allocated memory is still 174.1MB. Free memory was 111.7MB in the beginning and 91.9MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 04:21:47,205 INFO L158 Benchmark]: Witness Printer took 4.93ms. Allocated memory is still 174.1MB. Free memory was 91.9MB in the beginning and 91.6MB in the end (delta: 317.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:21:47,208 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 125.8MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 220.11ms. Allocated memory is still 174.1MB. Free memory was 140.8MB in the beginning and 129.7MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.64ms. Allocated memory is still 174.1MB. Free memory was 129.4MB in the beginning and 127.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.33ms. Allocated memory is still 174.1MB. Free memory was 127.8MB in the beginning and 125.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 343.52ms. Allocated memory is still 174.1MB. Free memory was 125.7MB in the beginning and 112.3MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 384.46ms. Allocated memory is still 174.1MB. Free memory was 111.7MB in the beginning and 91.9MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.93ms. Allocated memory is still 174.1MB. Free memory was 91.9MB in the beginning and 91.6MB in the end (delta: 317.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 69. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 5; [L23] unsigned char var_1_2 = 0; [L24] unsigned short int var_1_3 = 5; [L25] double var_1_4 = 4.2; [L26] double var_1_5 = 16.375; [L27] double var_1_6 = 99999.495; [L28] double var_1_7 = 1.2; [L29] double var_1_8 = 4.2; [L73] isInitial = 1 [L74] FCALL initially() [L75] COND TRUE 1 [L76] FCALL updateLastVariables() [L77] CALL updateVariables() [L51] var_1_2 = __VERIFIER_nondet_uchar() [L52] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=5, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=5, var_1_3=5, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L52] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_1=5, var_1_3=5, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L53] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=5, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=5, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L53] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_1=5, var_1_2=0, var_1_3=5, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L54] var_1_3 = __VERIFIER_nondet_ushort() [L55] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L55] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_1=5, var_1_2=0, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L56] CALL assume_abort_if_not(var_1_3 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=65534, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=65534, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L56] RET assume_abort_if_not(var_1_3 <= 65534) VAL [isInitial=1, var_1_1=5, var_1_2=0, var_1_3=65534, var_1_4=21/5, var_1_5=131/8, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L57] var_1_5 = __VERIFIER_nondet_double() [L58] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=65534, var_1_4=21/5, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=65534, var_1_4=21/5, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L58] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=5, var_1_2=0, var_1_3=65534, var_1_4=21/5, var_1_6=19999899/200, var_1_7=6/5, var_1_8=21/5] [L59] var_1_6 = __VERIFIER_nondet_double() [L60] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=65534, var_1_4=21/5, var_1_7=6/5, var_1_8=21/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=65534, var_1_4=21/5, var_1_7=6/5, var_1_8=21/5] [L60] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=5, var_1_2=0, var_1_3=65534, var_1_4=21/5, var_1_7=6/5, var_1_8=21/5] [L61] var_1_7 = __VERIFIER_nondet_double() [L62] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=65534, var_1_4=21/5, var_1_8=21/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=65534, var_1_4=21/5, var_1_8=21/5] [L62] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=5, var_1_2=0, var_1_3=65534, var_1_4=21/5, var_1_8=21/5] [L63] var_1_8 = __VERIFIER_nondet_double() [L64] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=65534, var_1_4=21/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=5, var_1_2=0, var_1_3=65534, var_1_4=21/5] [L64] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=5, var_1_2=0, var_1_3=65534, var_1_4=21/5] [L77] RET updateVariables() [L78] CALL step() [L33] COND TRUE ! var_1_2 [L34] var_1_1 = var_1_3 VAL [isInitial=1, var_1_1=65534, var_1_2=0, var_1_3=65534, var_1_4=21/5] [L36] COND FALSE !(31.6 > var_1_5) [L47] var_1_4 = var_1_8 VAL [isInitial=1, var_1_1=65534, var_1_2=0, var_1_3=65534, var_1_4=100004, var_1_8=100004] [L78] RET step() [L79] CALL, EXPR property() [L69-L70] return ((! var_1_2) ? (var_1_1 == ((unsigned short int) var_1_3)) : 1) && ((31.6 > var_1_5) ? ((var_1_5 > var_1_6) ? (var_1_4 == ((double) ((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))))) : (var_1_2 ? (var_1_4 == ((double) var_1_8)) : (var_1_4 == ((double) 1.0000000000000875E13)))) : (var_1_4 == ((double) var_1_8))) ; [L79] RET, EXPR property() [L79] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=65534, var_1_2=0, var_1_3=65534, var_1_4=100004, var_1_8=100004] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=65534, var_1_2=0, var_1_3=65534, var_1_4=100004, var_1_8=100004] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 04:21:47,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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_75a1812f-da2d-4761-8211-f3d6a3ad1d15/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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 5105a9ac8fbead4327a3048bb26dd37319bc5d26c3f11dcff18c222fc5bc4641 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:21:49,115 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:21:49,179 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 04:21:49,186 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:21:49,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:21:49,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:21:49,213 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:21:49,213 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:21:49,214 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:21:49,215 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:21:49,215 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:21:49,216 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:21:49,217 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:21:49,217 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:21:49,218 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:21:49,218 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:21:49,219 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:21:49,219 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:21:49,220 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:21:49,220 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:21:49,221 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:21:49,221 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:21:49,222 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:21:49,222 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 04:21:49,223 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 04:21:49,223 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 04:21:49,224 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:21:49,224 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:21:49,224 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:21:49,225 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:21:49,225 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:21:49,226 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:21:49,226 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:21:49,226 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:21:49,226 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:21:49,227 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:21:49,227 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:21:49,227 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 04:21:49,227 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 04:21:49,227 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:21:49,228 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:21:49,228 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:21:49,228 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:21:49,228 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:21:49,228 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 04:21:49,229 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_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5105a9ac8fbead4327a3048bb26dd37319bc5d26c3f11dcff18c222fc5bc4641 [2023-11-29 04:21:49,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:21:49,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:21:49,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:21:49,546 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:21:49,547 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:21:49,548 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-9.i [2023-11-29 04:21:52,367 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:21:52,575 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:21:52,575 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-9.i [2023-11-29 04:21:52,583 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/bin/uautomizer-verify-BQ2R08f2Ya/data/ed7851790/bd6abe287a3b4b039b44c32e49661bf7/FLAGbcdc74742 [2023-11-29 04:21:52,596 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/bin/uautomizer-verify-BQ2R08f2Ya/data/ed7851790/bd6abe287a3b4b039b44c32e49661bf7 [2023-11-29 04:21:52,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:21:52,601 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:21:52,603 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:21:52,603 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:21:52,608 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:21:52,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:21:52" (1/1) ... [2023-11-29 04:21:52,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b2c476 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 04:21:52,611 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:21:52" (1/1) ... [2023-11-29 04:21:52,632 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:21:52,761 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_75a1812f-da2d-4761-8211-f3d6a3ad1d15/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-9.i[914,927] [2023-11-29 04:21:52,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:21:52,803 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:21:52,814 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_75a1812f-da2d-4761-8211-f3d6a3ad1d15/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-9.i[914,927] [2023-11-29 04:21:52,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:21:52,843 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:21:52,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:52 WrapperNode [2023-11-29 04:21:52,843 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:21:52,844 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:21:52,844 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:21:52,845 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:21:52,850 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 04:21:52,860 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 04:21:52,884 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 77 [2023-11-29 04:21:52,885 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:21:52,886 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:21:52,886 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:21:52,886 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:21:52,895 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 04:21:52,896 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 04:21:52,900 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 04:21:52,911 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 04:21:52,911 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 04:21:52,912 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 04:21:52,919 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 04:21:52,922 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 04:21:52,925 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 04:21:52,926 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 04:21:52,930 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:21:52,931 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:21:52,931 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:21:52,931 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:21:52,932 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 04:21:52,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:21:52,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:21:52,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:21:52,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:21:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:21:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 04:21:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 04:21:53,003 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 04:21:53,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:21:53,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:21:53,076 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:21:53,078 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:21:53,285 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:21:53,327 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:21:53,327 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 04:21:53,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:21:53 BoogieIcfgContainer [2023-11-29 04:21:53,327 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:21:53,330 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:21:53,330 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:21:53,333 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:21:53,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:21:52" (1/3) ... [2023-11-29 04:21:53,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7194b73e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:21:53, skipping insertion in model container [2023-11-29 04:21:53,334 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 04:21:53,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7194b73e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:21:53, skipping insertion in model container [2023-11-29 04:21:53,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:21:53" (3/3) ... [2023-11-29 04:21:53,336 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-9.i [2023-11-29 04:21:53,355 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:21:53,355 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:21:53,402 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:21:53,409 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;@444a1dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:21:53,409 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:21:53,413 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 20 states have (on average 1.45) internal successors, (29), 21 states have internal predecessors, (29), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 04:21:53,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-29 04:21:53,422 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:21:53,423 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 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 04:21:53,423 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:21:53,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:21:53,429 INFO L85 PathProgramCache]: Analyzing trace with hash 704363017, now seen corresponding path program 1 times [2023-11-29 04:21:53,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:21:53,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1611903052] [2023-11-29 04:21:53,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:21:53,442 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 04:21:53,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:21:53,444 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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 04:21:53,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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 04:21:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:21:53,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 04:21:53,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:21:57,385 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-29 04:21:57,385 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:21:57,386 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:21:57,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1611903052] [2023-11-29 04:21:57,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1611903052] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:21:57,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:21:57,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 04:21:57,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033157347] [2023-11-29 04:21:57,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:21:57,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 04:21:57,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:21:57,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 04:21:57,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-29 04:21:57,423 INFO L87 Difference]: Start difference. First operand has 31 states, 20 states have (on average 1.45) internal successors, (29), 21 states have internal predecessors, (29), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-29 04:21:59,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:21:59,017 INFO L93 Difference]: Finished difference Result 96 states and 153 transitions. [2023-11-29 04:21:59,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-29 04:21:59,019 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 53 [2023-11-29 04:21:59,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:21:59,026 INFO L225 Difference]: With dead ends: 96 [2023-11-29 04:21:59,026 INFO L226 Difference]: Without dead ends: 66 [2023-11-29 04:21:59,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:21:59,032 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 104 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 04:21:59,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 103 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 04:21:59,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-29 04:21:59,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 48. [2023-11-29 04:21:59,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 35 states have internal predecessors, (43), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-29 04:21:59,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 63 transitions. [2023-11-29 04:21:59,069 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 63 transitions. Word has length 53 [2023-11-29 04:21:59,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:21:59,070 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 63 transitions. [2023-11-29 04:21:59,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-29 04:21:59,070 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2023-11-29 04:21:59,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-29 04:21:59,073 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:21:59,073 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 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 04:21:59,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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 04:21:59,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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 04:21:59,274 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:21:59,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:21:59,275 INFO L85 PathProgramCache]: Analyzing trace with hash 706210059, now seen corresponding path program 1 times [2023-11-29 04:21:59,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:21:59,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [530584007] [2023-11-29 04:21:59,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:21:59,276 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 04:21:59,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:21:59,277 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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 04:21:59,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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 04:21:59,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:21:59,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 04:21:59,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:22:01,000 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-29 04:22:01,001 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:22:01,001 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:22:01,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [530584007] [2023-11-29 04:22:01,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [530584007] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:22:01,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:22:01,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 04:22:01,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688339907] [2023-11-29 04:22:01,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:22:01,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 04:22:01,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:22:01,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 04:22:01,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-29 04:22:01,005 INFO L87 Difference]: Start difference. First operand 48 states and 63 transitions. Second operand has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-29 04:22:01,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:22:01,810 INFO L93 Difference]: Finished difference Result 109 states and 140 transitions. [2023-11-29 04:22:01,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 04:22:01,811 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 53 [2023-11-29 04:22:01,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:22:01,814 INFO L225 Difference]: With dead ends: 109 [2023-11-29 04:22:01,814 INFO L226 Difference]: Without dead ends: 62 [2023-11-29 04:22:01,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2023-11-29 04:22:01,816 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 58 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 04:22:01,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 103 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 04:22:01,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-11-29 04:22:01,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 50. [2023-11-29 04:22:01,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 37 states have internal predecessors, (44), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-29 04:22:01,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 64 transitions. [2023-11-29 04:22:01,827 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 64 transitions. Word has length 53 [2023-11-29 04:22:01,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:22:01,828 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 64 transitions. [2023-11-29 04:22:01,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-29 04:22:01,828 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2023-11-29 04:22:01,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-29 04:22:01,830 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:22:01,830 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 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 04:22:01,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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 04:22:02,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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 04:22:02,031 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:22:02,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:22:02,032 INFO L85 PathProgramCache]: Analyzing trace with hash 346665136, now seen corresponding path program 1 times [2023-11-29 04:22:02,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:22:02,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [647587892] [2023-11-29 04:22:02,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:22:02,032 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 04:22:02,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:22:02,033 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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 04:22:02,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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 04:22:02,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:02,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 04:22:02,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:22:05,484 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-29 04:22:05,485 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:22:05,485 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:22:05,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [647587892] [2023-11-29 04:22:05,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [647587892] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:22:05,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:22:05,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 04:22:05,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578656128] [2023-11-29 04:22:05,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:22:05,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:22:05,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:22:05,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:22:05,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:22:05,488 INFO L87 Difference]: Start difference. First operand 50 states and 64 transitions. Second operand has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 04:22:09,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:22:09,639 INFO L93 Difference]: Finished difference Result 87 states and 101 transitions. [2023-11-29 04:22:09,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-29 04:22:09,640 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 54 [2023-11-29 04:22:09,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:22:09,642 INFO L225 Difference]: With dead ends: 87 [2023-11-29 04:22:09,642 INFO L226 Difference]: Without dead ends: 85 [2023-11-29 04:22:09,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=225, Invalid=531, Unknown=0, NotChecked=0, Total=756 [2023-11-29 04:22:09,644 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 122 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:22:09,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 116 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 04:22:09,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-29 04:22:09,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 54. [2023-11-29 04:22:09,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 39 states have (on average 1.205128205128205) internal successors, (47), 40 states have internal predecessors, (47), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-29 04:22:09,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2023-11-29 04:22:09,656 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 54 [2023-11-29 04:22:09,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:22:09,657 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2023-11-29 04:22:09,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 04:22:09,657 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2023-11-29 04:22:09,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-29 04:22:09,658 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:22:09,658 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 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 04:22:09,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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)] Ended with exit code 0 [2023-11-29 04:22:09,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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 04:22:09,859 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:22:09,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:22:09,859 INFO L85 PathProgramCache]: Analyzing trace with hash 403923438, now seen corresponding path program 1 times [2023-11-29 04:22:09,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:22:09,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1713280235] [2023-11-29 04:22:09,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:22:09,860 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 04:22:09,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:22:09,861 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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 04:22:09,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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)] Waiting until timeout for monitored process [2023-11-29 04:22:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:09,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 04:22:09,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:22:13,139 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-29 04:22:13,139 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:22:13,140 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:22:13,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1713280235] [2023-11-29 04:22:13,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1713280235] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:22:13,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:22:13,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 04:22:13,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24885350] [2023-11-29 04:22:13,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:22:13,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:22:13,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:22:13,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:22:13,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:22:13,142 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. Second operand has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 04:22:15,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:22:15,158 INFO L93 Difference]: Finished difference Result 74 states and 86 transitions. [2023-11-29 04:22:15,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 04:22:15,160 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 54 [2023-11-29 04:22:15,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:22:15,161 INFO L225 Difference]: With dead ends: 74 [2023-11-29 04:22:15,161 INFO L226 Difference]: Without dead ends: 72 [2023-11-29 04:22:15,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2023-11-29 04:22:15,163 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 73 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:22:15,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 119 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 04:22:15,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-29 04:22:15,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 54. [2023-11-29 04:22:15,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 39 states have (on average 1.205128205128205) internal successors, (47), 40 states have internal predecessors, (47), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-29 04:22:15,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2023-11-29 04:22:15,173 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 54 [2023-11-29 04:22:15,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:22:15,174 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2023-11-29 04:22:15,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 04:22:15,174 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2023-11-29 04:22:15,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-29 04:22:15,175 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:22:15,175 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 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 04:22:15,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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)] Ended with exit code 0 [2023-11-29 04:22:15,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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 04:22:15,376 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:22:15,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:22:15,376 INFO L85 PathProgramCache]: Analyzing trace with hash -2137973231, now seen corresponding path program 1 times [2023-11-29 04:22:15,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:22:15,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1588911017] [2023-11-29 04:22:15,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:22:15,377 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 04:22:15,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:22:15,378 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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 04:22:15,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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 (6)] Waiting until timeout for monitored process [2023-11-29 04:22:15,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:15,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 04:22:15,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:22:16,476 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-29 04:22:16,477 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:22:16,477 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:22:16,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1588911017] [2023-11-29 04:22:16,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1588911017] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:22:16,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:22:16,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 04:22:16,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152366310] [2023-11-29 04:22:16,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:22:16,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 04:22:16,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:22:16,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 04:22:16,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:22:16,479 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-29 04:22:16,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:22:16,949 INFO L93 Difference]: Finished difference Result 83 states and 97 transitions. [2023-11-29 04:22:16,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 04:22:16,950 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 55 [2023-11-29 04:22:16,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:22:16,951 INFO L225 Difference]: With dead ends: 83 [2023-11-29 04:22:16,952 INFO L226 Difference]: Without dead ends: 81 [2023-11-29 04:22:16,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:22:16,953 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 46 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 04:22:16,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 138 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 04:22:16,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-29 04:22:16,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 54. [2023-11-29 04:22:16,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 39 states have (on average 1.205128205128205) internal successors, (47), 40 states have internal predecessors, (47), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-29 04:22:16,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2023-11-29 04:22:16,960 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 55 [2023-11-29 04:22:16,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:22:16,960 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2023-11-29 04:22:16,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-29 04:22:16,960 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2023-11-29 04:22:16,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-29 04:22:16,961 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:22:16,962 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 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 04:22:16,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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 (6)] Forceful destruction successful, exit code 0 [2023-11-29 04:22:17,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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 04:22:17,162 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:22:17,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:22:17,163 INFO L85 PathProgramCache]: Analyzing trace with hash -2138032813, now seen corresponding path program 1 times [2023-11-29 04:22:17,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:22:17,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1487418743] [2023-11-29 04:22:17,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:22:17,163 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 04:22:17,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:22:17,164 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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 04:22:17,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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 (7)] Waiting until timeout for monitored process [2023-11-29 04:22:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:17,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 04:22:17,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:22:17,258 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-29 04:22:17,258 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:22:17,259 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:22:17,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1487418743] [2023-11-29 04:22:17,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1487418743] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:22:17,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:22:17,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:22:17,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702954140] [2023-11-29 04:22:17,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:22:17,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:22:17,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:22:17,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:22:17,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:22:17,260 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-29 04:22:17,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:22:17,299 INFO L93 Difference]: Finished difference Result 105 states and 130 transitions. [2023-11-29 04:22:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:22:17,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 55 [2023-11-29 04:22:17,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:22:17,301 INFO L225 Difference]: With dead ends: 105 [2023-11-29 04:22:17,301 INFO L226 Difference]: Without dead ends: 52 [2023-11-29 04:22:17,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:22:17,302 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 6 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:22:17,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 67 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:22:17,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-11-29 04:22:17,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-11-29 04:22:17,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 37 states have (on average 1.162162162162162) internal successors, (43), 38 states have internal predecessors, (43), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-29 04:22:17,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions. [2023-11-29 04:22:17,310 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 63 transitions. Word has length 55 [2023-11-29 04:22:17,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:22:17,311 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 63 transitions. [2023-11-29 04:22:17,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-29 04:22:17,311 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2023-11-29 04:22:17,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-29 04:22:17,312 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:22:17,312 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 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 04:22:17,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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 (7)] Ended with exit code 0 [2023-11-29 04:22:17,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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 04:22:17,513 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:22:17,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:22:17,513 INFO L85 PathProgramCache]: Analyzing trace with hash -363025451, now seen corresponding path program 1 times [2023-11-29 04:22:17,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:22:17,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1002073347] [2023-11-29 04:22:17,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:22:17,513 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 04:22:17,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:22:17,514 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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 04:22:17,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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 (8)] Waiting until timeout for monitored process [2023-11-29 04:22:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:17,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 04:22:17,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:22:19,064 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-29 04:22:19,064 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:22:19,065 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:22:19,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1002073347] [2023-11-29 04:22:19,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1002073347] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:22:19,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:22:19,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 04:22:19,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44897978] [2023-11-29 04:22:19,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:22:19,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 04:22:19,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:22:19,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 04:22:19,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:22:19,066 INFO L87 Difference]: Start difference. First operand 52 states and 63 transitions. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-29 04:22:20,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:22:20,984 INFO L93 Difference]: Finished difference Result 110 states and 129 transitions. [2023-11-29 04:22:20,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-29 04:22:20,985 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 55 [2023-11-29 04:22:20,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:22:20,985 INFO L225 Difference]: With dead ends: 110 [2023-11-29 04:22:20,985 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 04:22:20,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2023-11-29 04:22:20,987 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 88 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 04:22:20,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 93 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 04:22:20,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 04:22:20,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 04:22:20,989 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 04:22:20,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 04:22:20,989 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2023-11-29 04:22:20,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:22:20,989 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 04:22:20,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-29 04:22:20,989 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 04:22:20,990 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 04:22:20,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 04:22:20,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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 (8)] Ended with exit code 0 [2023-11-29 04:22:21,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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 04:22:21,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 04:22:25,262 INFO L895 garLoopResultBuilder]: At program point L64(line 64) the Hoare annotation is: (and (let ((.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq ~var_1_7~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_7~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))) (and (fp.geq ~var_1_7~0 ((_ to_fp 11 53) currentRoundingMode .cse1)) (fp.leq ~var_1_7~0 ((_ to_fp 11 53) currentRoundingMode .cse0))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-29 04:22:25,263 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 50 65) no Hoare annotation was computed. [2023-11-29 04:22:25,263 INFO L895 garLoopResultBuilder]: At program point L60(line 60) the Hoare annotation is: (let ((.cse5 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse4 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (let ((.cse0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse4))) (.cse1 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse5))) (.cse3 ((_ to_fp 11 53) currentRoundingMode .cse5)) (.cse2 ((_ to_fp 11 53) currentRoundingMode .cse4))) (and (or (and (fp.geq ~var_1_8~0 .cse0) (fp.leq ~var_1_8~0 .cse1)) (and (fp.leq ~var_1_8~0 .cse2) (fp.geq ~var_1_8~0 .cse3))) (or (and (fp.geq ~var_1_7~0 .cse0) (fp.leq ~var_1_7~0 .cse1)) (and (fp.geq ~var_1_7~0 .cse3) (fp.leq ~var_1_7~0 .cse2))) (= currentRoundingMode roundNearestTiesToEven)))) [2023-11-29 04:22:25,263 INFO L899 garLoopResultBuilder]: For program point L60-1(line 60) no Hoare annotation was computed. [2023-11-29 04:22:25,263 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2023-11-29 04:22:25,263 INFO L895 garLoopResultBuilder]: At program point L52(line 52) the Hoare annotation is: (let ((.cse5 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse4 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (let ((.cse0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse4))) (.cse1 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse5))) (.cse3 ((_ to_fp 11 53) currentRoundingMode .cse5)) (.cse2 ((_ to_fp 11 53) currentRoundingMode .cse4))) (and (or (and (fp.geq ~var_1_8~0 .cse0) (fp.leq ~var_1_8~0 .cse1)) (and (fp.leq ~var_1_8~0 .cse2) (fp.geq ~var_1_8~0 .cse3))) (or (and (fp.geq ~var_1_7~0 .cse0) (fp.leq ~var_1_7~0 .cse1)) (and (fp.geq ~var_1_7~0 .cse3) (fp.leq ~var_1_7~0 .cse2))) (= currentRoundingMode roundNearestTiesToEven)))) [2023-11-29 04:22:25,264 INFO L895 garLoopResultBuilder]: At program point L52-1(line 52) the Hoare annotation is: (let ((.cse5 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse4 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (let ((.cse0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse4))) (.cse1 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse5))) (.cse3 ((_ to_fp 11 53) currentRoundingMode .cse5)) (.cse2 ((_ to_fp 11 53) currentRoundingMode .cse4))) (and (or (and (fp.geq ~var_1_8~0 .cse0) (fp.leq ~var_1_8~0 .cse1)) (and (fp.leq ~var_1_8~0 .cse2) (fp.geq ~var_1_8~0 .cse3))) (or (and (fp.geq ~var_1_7~0 .cse0) (fp.leq ~var_1_7~0 .cse1)) (and (fp.geq ~var_1_7~0 .cse3) (fp.leq ~var_1_7~0 .cse2))) (= currentRoundingMode roundNearestTiesToEven)))) [2023-11-29 04:22:25,264 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-29 04:22:25,264 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-29 04:22:25,264 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-11-29 04:22:25,264 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 44) no Hoare annotation was computed. [2023-11-29 04:22:25,264 INFO L899 garLoopResultBuilder]: For program point L32(lines 32 49) no Hoare annotation was computed. [2023-11-29 04:22:25,264 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-29 04:22:25,264 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-11-29 04:22:25,264 INFO L899 garLoopResultBuilder]: For program point L37(lines 37 45) no Hoare annotation was computed. [2023-11-29 04:22:25,265 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2023-11-29 04:22:25,265 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 04:22:25,265 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 49) no Hoare annotation was computed. [2023-11-29 04:22:25,265 INFO L895 garLoopResultBuilder]: At program point L62(line 62) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq ~var_1_8~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_8~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))) (and (fp.leq ~var_1_8~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_8~0 ((_ to_fp 11 53) currentRoundingMode .cse1))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-29 04:22:25,265 INFO L899 garLoopResultBuilder]: For program point L62-1(line 62) no Hoare annotation was computed. [2023-11-29 04:22:25,265 INFO L895 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: (let ((.cse5 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse4 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (let ((.cse0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse4))) (.cse1 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse5))) (.cse3 ((_ to_fp 11 53) currentRoundingMode .cse5)) (.cse2 ((_ to_fp 11 53) currentRoundingMode .cse4))) (and (or (and (fp.geq ~var_1_8~0 .cse0) (fp.leq ~var_1_8~0 .cse1)) (and (fp.leq ~var_1_8~0 .cse2) (fp.geq ~var_1_8~0 .cse3))) (or (and (fp.geq ~var_1_7~0 .cse0) (fp.leq ~var_1_7~0 .cse1)) (and (fp.geq ~var_1_7~0 .cse3) (fp.leq ~var_1_7~0 .cse2))) (= currentRoundingMode roundNearestTiesToEven)))) [2023-11-29 04:22:25,265 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2023-11-29 04:22:25,266 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 04:22:25,266 INFO L895 garLoopResultBuilder]: At program point L75-2(lines 75 81) the Hoare annotation is: (let ((.cse7 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse8 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (let ((.cse3 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse8))) (.cse4 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse7))) (.cse6 ((_ to_fp 11 53) currentRoundingMode .cse8)) (.cse5 ((_ to_fp 11 53) currentRoundingMode .cse7))) (let ((.cse0 (or (and (fp.geq ~var_1_8~0 .cse3) (fp.leq ~var_1_8~0 .cse4)) (and (fp.leq ~var_1_8~0 .cse6) (fp.geq ~var_1_8~0 .cse5)))) (.cse1 (or (and (fp.geq ~var_1_7~0 .cse3) (fp.leq ~var_1_7~0 .cse4)) (and (fp.geq ~var_1_7~0 .cse5) (fp.leq ~var_1_7~0 .cse6)))) (.cse2 (= currentRoundingMode roundNearestTiesToEven))) (or (and .cse0 .cse1 .cse2 (not (= ~var_1_2~0 (_ bv0 8)))) (and (= ~var_1_3~0 ~var_1_1~0) .cse0 .cse1 .cse2))))) [2023-11-29 04:22:25,266 INFO L899 garLoopResultBuilder]: For program point L75-3(lines 75 81) no Hoare annotation was computed. [2023-11-29 04:22:25,266 INFO L895 garLoopResultBuilder]: At program point L55(line 55) the Hoare annotation is: (let ((.cse5 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse4 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (let ((.cse0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse4))) (.cse1 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse5))) (.cse3 ((_ to_fp 11 53) currentRoundingMode .cse5)) (.cse2 ((_ to_fp 11 53) currentRoundingMode .cse4))) (and (or (and (fp.geq ~var_1_8~0 .cse0) (fp.leq ~var_1_8~0 .cse1)) (and (fp.leq ~var_1_8~0 .cse2) (fp.geq ~var_1_8~0 .cse3))) (or (and (fp.geq ~var_1_7~0 .cse0) (fp.leq ~var_1_7~0 .cse1)) (and (fp.geq ~var_1_7~0 .cse3) (fp.leq ~var_1_7~0 .cse2))) (= currentRoundingMode roundNearestTiesToEven)))) [2023-11-29 04:22:25,266 INFO L895 garLoopResultBuilder]: At program point L55-1(line 55) the Hoare annotation is: (let ((.cse5 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse4 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (let ((.cse0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse4))) (.cse1 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse5))) (.cse3 ((_ to_fp 11 53) currentRoundingMode .cse5)) (.cse2 ((_ to_fp 11 53) currentRoundingMode .cse4))) (and (or (and (fp.geq ~var_1_8~0 .cse0) (fp.leq ~var_1_8~0 .cse1)) (and (fp.leq ~var_1_8~0 .cse2) (fp.geq ~var_1_8~0 .cse3))) (or (and (fp.geq ~var_1_7~0 .cse0) (fp.leq ~var_1_7~0 .cse1)) (and (fp.geq ~var_1_7~0 .cse3) (fp.leq ~var_1_7~0 .cse2))) (= currentRoundingMode roundNearestTiesToEven)))) [2023-11-29 04:22:25,267 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-29 04:22:25,267 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-11-29 04:22:25,267 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-11-29 04:22:25,267 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-29 04:22:25,269 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:22:25,271 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:22:25,281 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-29 04:22:25,282 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-29 04:22:25,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:22:25 BoogieIcfgContainer [2023-11-29 04:22:25,283 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:22:25,283 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:22:25,283 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:22:25,284 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:22:25,284 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:21:53" (3/4) ... [2023-11-29 04:22:25,286 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 04:22:25,289 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-29 04:22:25,293 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-29 04:22:25,293 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-29 04:22:25,294 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 04:22:25,294 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 04:22:25,368 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 04:22:25,369 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 04:22:25,369 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:22:25,370 INFO L158 Benchmark]: Toolchain (without parser) took 32768.82ms. Allocated memory was 111.1MB in the beginning and 251.7MB in the end (delta: 140.5MB). Free memory was 87.9MB in the beginning and 206.0MB in the end (delta: -118.1MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2023-11-29 04:22:25,370 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 75.5MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:22:25,370 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.99ms. Allocated memory is still 111.1MB. Free memory was 87.6MB in the beginning and 75.6MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 04:22:25,371 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.64ms. Allocated memory is still 111.1MB. Free memory was 75.6MB in the beginning and 73.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:22:25,371 INFO L158 Benchmark]: Boogie Preprocessor took 44.42ms. Allocated memory is still 111.1MB. Free memory was 73.8MB in the beginning and 71.4MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 04:22:25,372 INFO L158 Benchmark]: RCFGBuilder took 396.83ms. Allocated memory is still 111.1MB. Free memory was 71.4MB in the beginning and 83.6MB in the end (delta: -12.2MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2023-11-29 04:22:25,372 INFO L158 Benchmark]: TraceAbstraction took 31952.96ms. Allocated memory was 111.1MB in the beginning and 251.7MB in the end (delta: 140.5MB). Free memory was 83.2MB in the beginning and 211.2MB in the end (delta: -128.1MB). Peak memory consumption was 147.7MB. Max. memory is 16.1GB. [2023-11-29 04:22:25,373 INFO L158 Benchmark]: Witness Printer took 85.68ms. Allocated memory is still 251.7MB. Free memory was 211.2MB in the beginning and 206.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 04:22:25,375 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 75.5MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.99ms. Allocated memory is still 111.1MB. Free memory was 87.6MB in the beginning and 75.6MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.64ms. Allocated memory is still 111.1MB. Free memory was 75.6MB in the beginning and 73.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.42ms. Allocated memory is still 111.1MB. Free memory was 73.8MB in the beginning and 71.4MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 396.83ms. Allocated memory is still 111.1MB. Free memory was 71.4MB in the beginning and 83.6MB in the end (delta: -12.2MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * TraceAbstraction took 31952.96ms. Allocated memory was 111.1MB in the beginning and 251.7MB in the end (delta: 140.5MB). Free memory was 83.2MB in the beginning and 211.2MB in the end (delta: -128.1MB). Peak memory consumption was 147.7MB. Max. memory is 16.1GB. * Witness Printer took 85.68ms. Allocated memory is still 251.7MB. Free memory was 211.2MB in the beginning and 206.0MB 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: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.9s, OverallIterations: 7, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 548 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 497 mSDsluCounter, 739 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 532 mSDsCounter, 93 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1059 IncrementalHoareTripleChecker+Invalid, 1152 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 93 mSolverCounterUnsat, 207 mSDtfsCounter, 1059 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 421 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 10.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=3, InterpolantAutomatonStates: 100, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 106 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 59 PreInvPairs, 87 NumberOfFragments, 643 HoareAnnotationTreeSize, 59 FomulaSimplifications, 174768 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 10 FomulaSimplificationsInter, 147062 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 14.4s InterpolantComputationTime, 379 NumberOfCodeBlocks, 379 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 372 ConstructedInterpolants, 0 QuantifiedInterpolants, 2727 SizeOfPredicates, 79 NumberOfNonLiveVariables, 670 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 784/784 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: 75]: Loop Invariant Derived loop invariant: (!((var_1_2 == 0)) || (var_1_3 == var_1_1)) RESULT: Ultimate proved your program to be correct! [2023-11-29 04:22:25,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a1812f-da2d-4761-8211-f3d6a3ad1d15/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