./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-19.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-19.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 06f837d7928db541d2d48c927f11a6eb52920c5b0369de6ffc2b007ce4b98eea --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:43:39,260 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:43:39,338 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 18:43:39,346 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:43:39,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:43:39,371 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:43:39,372 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:43:39,372 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:43:39,372 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:43:39,372 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:43:39,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:43:39,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:43:39,373 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:43:39,373 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:43:39,373 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:43:39,373 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:43:39,373 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:43:39,373 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:43:39,373 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:43:39,374 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:43:39,374 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:43:39,374 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:43:39,374 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:43:39,374 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:43:39,374 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:43:39,374 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:43:39,374 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:43:39,374 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:43:39,375 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:43:39,375 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:43:39,375 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:43:39,375 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:43:39,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:43:39,375 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:43:39,375 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:43:39,375 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:43:39,375 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:43:39,376 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:43:39,376 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:43:39,376 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:43:39,376 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:43:39,376 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:43:39,376 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 18:43:39,376 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 18:43:39,376 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:43:39,376 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:43:39,376 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:43:39,377 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:43:39,377 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06f837d7928db541d2d48c927f11a6eb52920c5b0369de6ffc2b007ce4b98eea [2024-11-23 18:43:39,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:43:39,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:43:39,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:43:39,684 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:43:39,684 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:43:39,685 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-19.i [2024-11-23 18:43:42,725 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/data/f987b6831/82ece44dc9b04a3594ba34591a8a0816/FLAG96b40d36a [2024-11-23 18:43:43,031 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:43:43,032 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-19.i [2024-11-23 18:43:43,043 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/data/f987b6831/82ece44dc9b04a3594ba34591a8a0816/FLAG96b40d36a [2024-11-23 18:43:43,070 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/data/f987b6831/82ece44dc9b04a3594ba34591a8a0816 [2024-11-23 18:43:43,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:43:43,074 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:43:43,076 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:43:43,076 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:43:43,081 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:43:43,082 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:43:43" (1/1) ... [2024-11-23 18:43:43,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2045654e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:43, skipping insertion in model container [2024-11-23 18:43:43,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:43:43" (1/1) ... [2024-11-23 18:43:43,108 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:43:43,272 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-19.i[915,928] [2024-11-23 18:43:43,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:43:43,359 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:43:43,373 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-19.i[915,928] [2024-11-23 18:43:43,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:43:43,440 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:43:43,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:43 WrapperNode [2024-11-23 18:43:43,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:43:43,443 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:43:43,443 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:43:43,443 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:43:43,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:43" (1/1) ... [2024-11-23 18:43:43,463 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:43" (1/1) ... [2024-11-23 18:43:43,508 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 127 [2024-11-23 18:43:43,508 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:43:43,509 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:43:43,510 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:43:43,510 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:43:43,520 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:43" (1/1) ... [2024-11-23 18:43:43,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:43" (1/1) ... [2024-11-23 18:43:43,522 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:43" (1/1) ... [2024-11-23 18:43:43,533 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-23 18:43:43,534 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:43" (1/1) ... [2024-11-23 18:43:43,534 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:43" (1/1) ... [2024-11-23 18:43:43,539 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:43" (1/1) ... [2024-11-23 18:43:43,540 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:43" (1/1) ... [2024-11-23 18:43:43,543 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:43" (1/1) ... [2024-11-23 18:43:43,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:43" (1/1) ... [2024-11-23 18:43:43,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:43" (1/1) ... [2024-11-23 18:43:43,548 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:43:43,553 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:43:43,553 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:43:43,553 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:43:43,554 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:43" (1/1) ... [2024-11-23 18:43:43,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:43:43,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:43:43,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:43:43,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:43:43,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:43:43,627 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 18:43:43,627 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 18:43:43,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 18:43:43,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:43:43,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:43:43,707 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:43:43,709 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:43:44,035 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-23 18:43:44,035 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:43:44,052 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:43:44,053 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 18:43:44,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:43:44 BoogieIcfgContainer [2024-11-23 18:43:44,054 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:43:44,057 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:43:44,057 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:43:44,062 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:43:44,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:43:43" (1/3) ... [2024-11-23 18:43:44,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d017ce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:43:44, skipping insertion in model container [2024-11-23 18:43:44,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:43" (2/3) ... [2024-11-23 18:43:44,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d017ce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:43:44, skipping insertion in model container [2024-11-23 18:43:44,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:43:44" (3/3) ... [2024-11-23 18:43:44,064 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-19.i [2024-11-23 18:43:44,081 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:43:44,085 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-19.i that has 2 procedures, 59 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 18:43:44,168 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:43:44,186 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@552189ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:43:44,187 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 18:43:44,192 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 40 states have internal predecessors, (52), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-23 18:43:44,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-23 18:43:44,206 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:43:44,207 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:43:44,207 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:43:44,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:43:44,214 INFO L85 PathProgramCache]: Analyzing trace with hash -562109802, now seen corresponding path program 1 times [2024-11-23 18:43:44,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:43:44,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982607571] [2024-11-23 18:43:44,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:43:44,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:43:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:43:44,596 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-23 18:43:44,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:43:44,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982607571] [2024-11-23 18:43:44,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982607571] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:43:44,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923193347] [2024-11-23 18:43:44,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:43:44,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:43:44,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:43:44,608 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:43:44,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 18:43:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:43:44,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 18:43:44,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:43:44,871 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-23 18:43:44,872 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:43:44,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [923193347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:43:44,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:43:44,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 18:43:44,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300675989] [2024-11-23 18:43:44,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:43:44,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 18:43:44,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:43:44,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 18:43:44,903 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:43:44,906 INFO L87 Difference]: Start difference. First operand has 59 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 40 states have internal predecessors, (52), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 18:43:44,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:43:44,942 INFO L93 Difference]: Finished difference Result 111 states and 183 transitions. [2024-11-23 18:43:44,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 18:43:44,946 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 113 [2024-11-23 18:43:44,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:43:44,954 INFO L225 Difference]: With dead ends: 111 [2024-11-23 18:43:44,954 INFO L226 Difference]: Without dead ends: 55 [2024-11-23 18:43:44,957 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:43:44,963 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:43:44,964 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:43:44,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-23 18:43:45,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-11-23 18:43:45,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 36 states have (on average 1.25) internal successors, (45), 36 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-23 18:43:45,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2024-11-23 18:43:45,015 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 113 [2024-11-23 18:43:45,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:43:45,016 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2024-11-23 18:43:45,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 18:43:45,016 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2024-11-23 18:43:45,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-23 18:43:45,020 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:43:45,020 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:43:45,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 18:43:45,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 18:43:45,221 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:43:45,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:43:45,222 INFO L85 PathProgramCache]: Analyzing trace with hash 51368796, now seen corresponding path program 1 times [2024-11-23 18:43:45,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:43:45,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460853431] [2024-11-23 18:43:45,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:43:45,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:43:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:43:45,478 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:43:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:43:45,684 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 18:43:45,685 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 18:43:45,686 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 18:43:45,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 18:43:45,693 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-23 18:43:45,802 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 18:43:45,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:43:45 BoogieIcfgContainer [2024-11-23 18:43:45,805 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 18:43:45,806 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 18:43:45,806 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 18:43:45,806 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 18:43:45,807 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:43:44" (3/4) ... [2024-11-23 18:43:45,809 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 18:43:45,810 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 18:43:45,811 INFO L158 Benchmark]: Toolchain (without parser) took 2737.40ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 35.6MB in the end (delta: 56.6MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2024-11-23 18:43:45,812 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:43:45,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.24ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 79.5MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:43:45,812 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.11ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 77.3MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:43:45,814 INFO L158 Benchmark]: Boogie Preprocessor took 39.90ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 74.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:43:45,814 INFO L158 Benchmark]: RCFGBuilder took 500.98ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 58.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 18:43:45,817 INFO L158 Benchmark]: TraceAbstraction took 1748.72ms. Allocated memory is still 117.4MB. Free memory was 58.3MB in the beginning and 36.2MB in the end (delta: 22.1MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2024-11-23 18:43:45,817 INFO L158 Benchmark]: Witness Printer took 4.55ms. Allocated memory is still 117.4MB. Free memory was 36.2MB in the beginning and 35.6MB in the end (delta: 595.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:43:45,819 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.24ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 79.5MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.11ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 77.3MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.90ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 74.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 500.98ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 58.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1748.72ms. Allocated memory is still 117.4MB. Free memory was 58.3MB in the beginning and 36.2MB in the end (delta: 22.1MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Witness Printer took 4.55ms. Allocated memory is still 117.4MB. Free memory was 36.2MB in the beginning and 35.6MB in the end (delta: 595.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryFLOATComparisonOperation at line 87, overapproximation of someBinaryFLOATComparisonOperation at line 89, overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someBinaryArithmeticFLOAToperation at line 50. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 8; [L23] unsigned char var_1_2 = 128; [L24] unsigned char var_1_3 = 64; [L25] unsigned long int var_1_4 = 1; [L26] unsigned long int var_1_5 = 5; [L27] signed char var_1_7 = 4; [L28] signed char var_1_8 = 100; [L29] unsigned char var_1_9 = 1; [L30] signed long int var_1_10 = -8; [L31] float var_1_11 = 255.2; [L32] float var_1_12 = 128.25; [L33] float var_1_13 = 100.5; [L34] float var_1_14 = 255.9; [L35] signed long int var_1_15 = -128; [L36] unsigned short int var_1_16 = 2; [L37] signed long int last_1_var_1_10 = -8; VAL [isInitial=0, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=128, var_1_3=64, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L101] isInitial = 1 [L102] FCALL initially() [L104] CALL updateLastVariables() [L94] last_1_var_1_10 = var_1_10 VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=128, var_1_3=64, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L104] RET updateLastVariables() [L105] CALL updateVariables() [L65] var_1_2 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_2 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=64, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=64, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L66] RET assume_abort_if_not(var_1_2 >= 127) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=64, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L67] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=64, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=64, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L67] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=64, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L68] var_1_3 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L69] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L70] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L70] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L71] var_1_4 = __VERIFIER_nondet_ulong() [L72] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L72] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L73] CALL assume_abort_if_not(var_1_4 <= 12) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L73] RET assume_abort_if_not(var_1_4 <= 12) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L74] var_1_5 = __VERIFIER_nondet_ulong() [L75] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_7=4, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_7=4, var_1_8=100, var_1_9=1] [L75] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_7=4, var_1_8=100, var_1_9=1] [L76] CALL assume_abort_if_not(var_1_5 <= 11) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=4, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=4, var_1_8=100, var_1_9=1] [L76] RET assume_abort_if_not(var_1_5 <= 11) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=4, var_1_8=100, var_1_9=1] [L77] var_1_7 = __VERIFIER_nondet_char() [L78] CALL assume_abort_if_not(var_1_7 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=100, var_1_9=1] [L78] RET assume_abort_if_not(var_1_7 >= -63) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=100, var_1_9=1] [L79] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=100, var_1_9=1] [L79] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=100, var_1_9=1] [L80] var_1_8 = __VERIFIER_nondet_char() [L81] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L81] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L82] CALL assume_abort_if_not(var_1_8 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L82] RET assume_abort_if_not(var_1_8 <= 126) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L83] var_1_9 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0] [L84] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0] [L85] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L85] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_12=513/4, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L86] var_1_12 = __VERIFIER_nondet_float() [L87] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L87] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_13=201/2, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L88] var_1_13 = __VERIFIER_nondet_float() [L89] CALL assume_abort_if_not((var_1_13 >= -230584.3009213691390e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 2305843.009213691390e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L89] RET assume_abort_if_not((var_1_13 >= -230584.3009213691390e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 2305843.009213691390e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_14=2559/10, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L90] var_1_14 = __VERIFIER_nondet_float() [L91] CALL assume_abort_if_not((var_1_14 >= -230584.3009213691390e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L91] RET assume_abort_if_not((var_1_14 >= -230584.3009213691390e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L105] RET updateVariables() [L106] CALL step() [L41] COND FALSE !(var_1_7 < var_1_3) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=-8, var_1_11=1276/5, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L46] COND TRUE \read(var_1_9) [L47] var_1_10 = var_1_5 VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=0, var_1_11=1276/5, var_1_15=-128, var_1_16=2, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L50] var_1_11 = (var_1_12 + (var_1_13 + var_1_14)) [L51] var_1_16 = 64 VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=0, var_1_15=-128, var_1_16=64, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L52] COND TRUE \read(var_1_9) [L53] var_1_15 = (var_1_7 + var_1_16) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=0, var_1_15=127, var_1_16=64, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L55] signed long int stepLocal_0 = var_1_15; VAL [isInitial=1, last_1_var_1_10=-8, stepLocal_0=127, var_1_10=0, var_1_15=127, var_1_16=64, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L56] EXPR (var_1_2 - var_1_3) << (var_1_4 + var_1_5) VAL [isInitial=1, last_1_var_1_10=-8, stepLocal_0=127, var_1_10=0, var_1_15=127, var_1_16=64, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L56] COND TRUE ((var_1_2 - var_1_3) << (var_1_4 + var_1_5)) <= stepLocal_0 [L57] var_1_1 = ((((var_1_4) > (((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))) ? (var_1_4) : (((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8)))))) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=0, var_1_15=127, var_1_16=64, var_1_1=0, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L106] RET step() [L107] CALL, EXPR property() [L97] EXPR (var_1_2 - var_1_3) << (var_1_4 + var_1_5) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=0, var_1_15=127, var_1_16=64, var_1_1=0, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L97-L98] return (((((((var_1_2 - var_1_3) << (var_1_4 + var_1_5)) <= var_1_15) ? (var_1_1 == ((signed char) ((((var_1_4) > (((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))) ? (var_1_4) : (((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8)))))))) : (var_1_9 ? (var_1_1 == ((signed char) var_1_5)) : 1)) && ((var_1_7 < var_1_3) ? ((last_1_var_1_10 > var_1_7) ? (var_1_10 == ((signed long int) (var_1_3 - var_1_8))) : 1) : (var_1_9 ? (var_1_10 == ((signed long int) var_1_5)) : 1))) && (var_1_11 == ((float) (var_1_12 + (var_1_13 + var_1_14))))) && (var_1_9 ? (var_1_15 == ((signed long int) (var_1_7 + var_1_16))) : 1)) && (var_1_16 == ((unsigned short int) 64)) ; [L107] RET, EXPR property() [L107] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=0, var_1_15=127, var_1_16=64, var_1_1=0, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=-8, var_1_10=0, var_1_15=127, var_1_16=64, var_1_1=0, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=0, var_1_7=63, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 79 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 79 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 339 NumberOfCodeBlocks, 339 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 224 SizeOfPredicates, 0 NumberOfNonLiveVariables, 260 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1056/1088 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-23 18:43:45,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-19.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 06f837d7928db541d2d48c927f11a6eb52920c5b0369de6ffc2b007ce4b98eea --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:43:48,496 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:43:48,615 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 18:43:48,621 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:43:48,621 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:43:48,645 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:43:48,646 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:43:48,646 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:43:48,646 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:43:48,646 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:43:48,646 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:43:48,647 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:43:48,647 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:43:48,647 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:43:48,647 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:43:48,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:43:48,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:43:48,647 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:43:48,648 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:43:48,648 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:43:48,648 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:43:48,648 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:43:48,648 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:43:48,648 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 18:43:48,648 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 18:43:48,648 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 18:43:48,648 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:43:48,648 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:43:48,649 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:43:48,649 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:43:48,649 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:43:48,649 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:43:48,649 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:43:48,649 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:43:48,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:43:48,650 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:43:48,650 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:43:48,650 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:43:48,650 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:43:48,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:43:48,650 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:43:48,651 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:43:48,651 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:43:48,651 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:43:48,651 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 18:43:48,651 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 18:43:48,651 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:43:48,651 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:43:48,652 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:43:48,652 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:43:48,652 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06f837d7928db541d2d48c927f11a6eb52920c5b0369de6ffc2b007ce4b98eea [2024-11-23 18:43:48,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:43:48,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:43:48,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:43:48,955 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:43:48,955 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:43:48,956 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-19.i [2024-11-23 18:43:51,977 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/data/76f5ee8af/d89d3c14cf7842cfb5ed55c9b8ba9bcb/FLAG4d75c755b [2024-11-23 18:43:52,250 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:43:52,251 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-19.i [2024-11-23 18:43:52,262 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/data/76f5ee8af/d89d3c14cf7842cfb5ed55c9b8ba9bcb/FLAG4d75c755b [2024-11-23 18:43:52,281 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/data/76f5ee8af/d89d3c14cf7842cfb5ed55c9b8ba9bcb [2024-11-23 18:43:52,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:43:52,286 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:43:52,287 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:43:52,288 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:43:52,293 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:43:52,294 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:43:52" (1/1) ... [2024-11-23 18:43:52,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@533e8483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:52, skipping insertion in model container [2024-11-23 18:43:52,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:43:52" (1/1) ... [2024-11-23 18:43:52,315 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:43:52,488 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-19.i[915,928] [2024-11-23 18:43:52,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:43:52,583 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:43:52,600 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-19.i[915,928] [2024-11-23 18:43:52,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:43:52,654 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:43:52,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:52 WrapperNode [2024-11-23 18:43:52,655 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:43:52,656 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:43:52,656 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:43:52,656 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:43:52,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:52" (1/1) ... [2024-11-23 18:43:52,672 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:52" (1/1) ... [2024-11-23 18:43:52,702 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2024-11-23 18:43:52,702 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:43:52,703 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:43:52,707 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:43:52,707 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:43:52,718 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:52" (1/1) ... [2024-11-23 18:43:52,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:52" (1/1) ... [2024-11-23 18:43:52,723 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:52" (1/1) ... [2024-11-23 18:43:52,742 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-23 18:43:52,742 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:52" (1/1) ... [2024-11-23 18:43:52,742 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:52" (1/1) ... [2024-11-23 18:43:52,750 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:52" (1/1) ... [2024-11-23 18:43:52,751 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:52" (1/1) ... [2024-11-23 18:43:52,754 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:52" (1/1) ... [2024-11-23 18:43:52,756 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:52" (1/1) ... [2024-11-23 18:43:52,757 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:52" (1/1) ... [2024-11-23 18:43:52,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:43:52,761 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:43:52,761 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:43:52,761 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:43:52,762 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:52" (1/1) ... [2024-11-23 18:43:52,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:43:52,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:43:52,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:43:52,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:43:52,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:43:52,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 18:43:52,829 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 18:43:52,829 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 18:43:52,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:43:52,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:43:52,924 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:43:52,925 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:43:53,787 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-23 18:43:53,787 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:43:53,798 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:43:53,798 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 18:43:53,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:43:53 BoogieIcfgContainer [2024-11-23 18:43:53,799 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:43:53,801 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:43:53,802 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:43:53,807 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:43:53,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:43:52" (1/3) ... [2024-11-23 18:43:53,808 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb45eed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:43:53, skipping insertion in model container [2024-11-23 18:43:53,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:52" (2/3) ... [2024-11-23 18:43:53,809 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb45eed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:43:53, skipping insertion in model container [2024-11-23 18:43:53,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:43:53" (3/3) ... [2024-11-23 18:43:53,810 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-19.i [2024-11-23 18:43:53,826 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:43:53,828 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-19.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 18:43:53,887 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:43:53,899 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2d8ee426, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:43:53,900 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 18:43:53,904 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-23 18:43:53,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-23 18:43:53,940 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:43:53,941 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:43:53,941 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:43:53,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:43:53,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1979840240, now seen corresponding path program 1 times [2024-11-23 18:43:53,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:43:53,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [783803641] [2024-11-23 18:43:53,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:43:53,958 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:43:53,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:43:53,963 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:43:53,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-23 18:43:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:43:54,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 18:43:54,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:43:54,360 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-23 18:43:54,360 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:43:54,361 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:43:54,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [783803641] [2024-11-23 18:43:54,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [783803641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:43:54,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:43:54,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:43:54,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322151789] [2024-11-23 18:43:54,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:43:54,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 18:43:54,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:43:54,394 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 18:43:54,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:43:54,396 INFO L87 Difference]: Start difference. First operand has 54 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 18:43:54,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:43:54,431 INFO L93 Difference]: Finished difference Result 101 states and 169 transitions. [2024-11-23 18:43:54,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 18:43:54,434 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 110 [2024-11-23 18:43:54,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:43:54,442 INFO L225 Difference]: With dead ends: 101 [2024-11-23 18:43:54,442 INFO L226 Difference]: Without dead ends: 50 [2024-11-23 18:43:54,446 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:43:54,452 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:43:54,455 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:43:54,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-23 18:43:54,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-23 18:43:54,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-23 18:43:54,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 72 transitions. [2024-11-23 18:43:54,499 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 72 transitions. Word has length 110 [2024-11-23 18:43:54,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:43:54,500 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 72 transitions. [2024-11-23 18:43:54,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 18:43:54,500 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2024-11-23 18:43:54,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-23 18:43:54,502 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:43:54,503 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:43:54,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-23 18:43:54,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:43:54,704 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:43:54,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:43:54,704 INFO L85 PathProgramCache]: Analyzing trace with hash 453389290, now seen corresponding path program 1 times [2024-11-23 18:43:54,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:43:54,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1354468742] [2024-11-23 18:43:54,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:43:54,706 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:43:54,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:43:54,708 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:43:54,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-23 18:43:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:43:55,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-23 18:43:55,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:44:21,798 WARN L286 SmtUtils]: Spent 7.76s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-23 18:44:41,172 WARN L286 SmtUtils]: Spent 7.87s on a formula simplification that was a NOOP. DAG size: 68 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-23 18:45:02,030 WARN L286 SmtUtils]: Spent 7.47s on a formula simplification that was a NOOP. DAG size: 70 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-23 18:45:28,311 WARN L286 SmtUtils]: Spent 8.52s on a formula simplification that was a NOOP. DAG size: 87 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-23 18:46:06,949 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 414 proven. 93 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-23 18:46:06,949 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:49:17,616 WARN L286 SmtUtils]: Spent 5.61s on a formula simplification that was a NOOP. DAG size: 104 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-23 18:49:48,717 WARN L286 SmtUtils]: Spent 5.56s on a formula simplification that was a NOOP. DAG size: 83 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-23 18:50:23,242 WARN L286 SmtUtils]: Spent 6.58s on a formula simplification that was a NOOP. DAG size: 77 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-23 18:51:04,607 WARN L286 SmtUtils]: Spent 7.12s on a formula simplification that was a NOOP. DAG size: 69 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-23 18:51:43,142 WARN L286 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-23 18:52:27,690 WARN L286 SmtUtils]: Spent 7.27s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-23 18:53:16,338 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_3~0)) (.cse0 ((_ sign_extend 24) c_~var_1_7~0))) (or (bvslt .cse0 .cse1) (not (bvsle (bvshl (bvadd (bvneg .cse1) ((_ zero_extend 24) c_~var_1_2~0)) (bvadd c_~var_1_5~0 c_~var_1_4~0)) (bvadd (_ bv64 32) .cse0))) (let ((.cse9 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse10 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (let ((.cse4 (forall ((~var_1_8~0 (_ BitVec 8))) (let ((.cse15 ((_ sign_extend 24) ~var_1_8~0))) (or (not (bvslt .cse15 (_ bv0 32))) (bvugt c_~var_1_4~0 (bvneg .cse15)))))) (.cse6 (forall ((~var_1_8~0 (_ BitVec 8))) (let ((.cse14 ((_ sign_extend 24) ~var_1_8~0))) (or (bvugt c_~var_1_4~0 .cse14) (bvslt .cse14 (_ bv0 32)))))) (.cse3 (forall ((~var_1_14~0 (_ FloatingPoint 8 24))) (or (let ((.cse13 (fp.add c_currentRoundingMode c_~var_1_12~0 (fp.add c_currentRoundingMode c_~var_1_13~0 ~var_1_14~0)))) (fp.eq .cse13 .cse13)) (not (fp.leq ~var_1_14~0 (fp.neg .cse9))) (not (fp.geq ~var_1_14~0 (fp.neg .cse10)))))) (.cse7 (forall ((~var_1_8~0 (_ BitVec 8))) (let ((.cse12 ((_ sign_extend 24) ~var_1_8~0))) (or (not (bvslt .cse12 (_ bv0 32))) (not (bvugt c_~var_1_4~0 (bvneg .cse12))))))) (.cse2 (forall ((~var_1_8~0 (_ BitVec 8))) (let ((.cse11 ((_ sign_extend 24) ~var_1_8~0))) (or (not (bvugt c_~var_1_4~0 .cse11)) (bvslt .cse11 (_ bv0 32)))))) (.cse5 (forall ((~var_1_14~0 (_ FloatingPoint 8 24))) (or (let ((.cse8 (fp.add c_currentRoundingMode c_~var_1_12~0 (fp.add c_currentRoundingMode c_~var_1_13~0 ~var_1_14~0)))) (fp.eq .cse8 .cse8)) (not (fp.geq ~var_1_14~0 .cse9)) (not (fp.leq ~var_1_14~0 .cse10)))))) (and (or .cse2 .cse3) (or .cse4 .cse5) (or .cse4 .cse3) (or .cse6 .cse3) (or .cse6 .cse5) (or .cse7 .cse3) (or .cse5 .cse7) (or .cse2 .cse5)))))) is different from true [2024-11-23 18:53:16,341 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:53:16,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1354468742] [2024-11-23 18:53:16,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1354468742] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:53:16,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [306097210] [2024-11-23 18:53:16,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:53:16,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 18:53:16,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 18:53:16,343 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 18:53:16,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f458b34-607b-481f-b5f0-72535e314ddd/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-23 18:53:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:53:17,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-23 18:53:17,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:55:56,786 WARN L286 SmtUtils]: Spent 10.25s on a formula simplification that was a NOOP. DAG size: 72 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-23 18:56:34,190 WARN L286 SmtUtils]: Spent 11.66s on a formula simplification that was a NOOP. DAG size: 74 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-23 18:57:16,207 WARN L286 SmtUtils]: Spent 14.05s on a formula simplification that was a NOOP. DAG size: 91 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-23 18:57:29,145 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 411 proven. 75 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-23 18:57:29,146 INFO L312 TraceCheckSpWp]: Computing backward predicates...