./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.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_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/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_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/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_206c10eb-5b78-4ef3-858e-6a73bc13b55d/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 0f3c671fd90b32c42295a3fff7f6ed38c1953794fa7bfd867d0ac70cf5a873bc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:13:55,429 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:13:55,563 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:13:55,574 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:13:55,574 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:13:55,611 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:13:55,612 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:13:55,612 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:13:55,612 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:13:55,613 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:13:55,613 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:13:55,613 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:13:55,613 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:13:55,614 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:13:55,614 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:13:55,614 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:13:55,614 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:13:55,615 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:13:55,615 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:13:55,615 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:13:55,615 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:13:55,615 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:13:55,615 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:13:55,615 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:13:55,616 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:13:55,616 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:13:55,616 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:13:55,616 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:13:55,617 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:13:55,617 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:13:55,617 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:13:55,617 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:13:55,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:13:55,617 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:13:55,618 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:13:55,618 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:13:55,618 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:13:55,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:13:55,618 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:13:55,618 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:13:55,618 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:13:55,618 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:13:55,618 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:13:55,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:13:55,619 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:13:55,619 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:13:55,619 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:13:55,619 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:13:55,619 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_206c10eb-5b78-4ef3-858e-6a73bc13b55d/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 -> 0f3c671fd90b32c42295a3fff7f6ed38c1953794fa7bfd867d0ac70cf5a873bc [2024-11-24 01:13:56,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:13:56,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:13:56,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:13:56,041 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:13:56,042 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:13:56,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i [2024-11-24 01:13:59,599 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/data/e2be6b51e/302bf3da375c4662b7141035a9523417/FLAG11c6519ab [2024-11-24 01:13:59,966 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:13:59,967 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i [2024-11-24 01:13:59,977 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/data/e2be6b51e/302bf3da375c4662b7141035a9523417/FLAG11c6519ab [2024-11-24 01:13:59,997 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/data/e2be6b51e/302bf3da375c4662b7141035a9523417 [2024-11-24 01:14:00,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:14:00,002 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:14:00,004 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:14:00,004 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:14:00,010 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:14:00,011 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:13:59" (1/1) ... [2024-11-24 01:14:00,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@315debf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:00, skipping insertion in model container [2024-11-24 01:14:00,014 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:13:59" (1/1) ... [2024-11-24 01:14:00,037 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:14:00,213 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_206c10eb-5b78-4ef3-858e-6a73bc13b55d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i[915,928] [2024-11-24 01:14:00,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:14:00,258 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:14:00,272 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_206c10eb-5b78-4ef3-858e-6a73bc13b55d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i[915,928] [2024-11-24 01:14:00,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:14:00,302 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:14:00,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:00 WrapperNode [2024-11-24 01:14:00,304 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:14:00,306 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:14:00,306 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:14:00,306 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:14:00,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:00" (1/1) ... [2024-11-24 01:14:00,325 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:00" (1/1) ... [2024-11-24 01:14:00,351 INFO L138 Inliner]: procedures = 26, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 65 [2024-11-24 01:14:00,352 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:14:00,353 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:14:00,354 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:14:00,354 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:14:00,364 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:00" (1/1) ... [2024-11-24 01:14:00,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:00" (1/1) ... [2024-11-24 01:14:00,366 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:00" (1/1) ... [2024-11-24 01:14:00,384 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]. [2024-11-24 01:14:00,388 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:00" (1/1) ... [2024-11-24 01:14:00,389 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:00" (1/1) ... [2024-11-24 01:14:00,400 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:00" (1/1) ... [2024-11-24 01:14:00,401 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:00" (1/1) ... [2024-11-24 01:14:00,409 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:00" (1/1) ... [2024-11-24 01:14:00,410 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:00" (1/1) ... [2024-11-24 01:14:00,414 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:00" (1/1) ... [2024-11-24 01:14:00,416 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:14:00,417 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:14:00,421 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:14:00,421 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:14:00,422 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:00" (1/1) ... [2024-11-24 01:14:00,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:14:00,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:14:00,471 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:14:00,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:14:00,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:14:00,509 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:14:00,509 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:14:00,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:14:00,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:14:00,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:14:00,588 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:14:00,591 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:14:00,808 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-24 01:14:00,808 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:14:00,820 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:14:00,821 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:14:00,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:14:00 BoogieIcfgContainer [2024-11-24 01:14:00,822 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:14:00,824 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:14:00,825 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:14:00,831 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:14:00,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:13:59" (1/3) ... [2024-11-24 01:14:00,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d86ebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:14:00, skipping insertion in model container [2024-11-24 01:14:00,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:00" (2/3) ... [2024-11-24 01:14:00,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d86ebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:14:00, skipping insertion in model container [2024-11-24 01:14:00,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:14:00" (3/3) ... [2024-11-24 01:14:00,835 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-16.i [2024-11-24 01:14:00,861 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:14:00,863 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-16.i that has 2 procedures, 32 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:14:00,953 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:14:00,973 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;@7d16a3b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:14:00,973 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:14:00,979 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-24 01:14:00,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-24 01:14:00,993 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:14:00,994 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:14:00,994 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:14:01,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:14:01,002 INFO L85 PathProgramCache]: Analyzing trace with hash 2083022097, now seen corresponding path program 1 times [2024-11-24 01:14:01,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:14:01,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289629642] [2024-11-24 01:14:01,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:14:01,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:14:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:14:01,329 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-24 01:14:01,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:14:01,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289629642] [2024-11-24 01:14:01,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289629642] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:14:01,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320881517] [2024-11-24 01:14:01,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:14:01,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:14:01,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:14:01,338 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:14:01,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:14:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:14:01,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:14:01,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:14:01,584 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-24 01:14:01,584 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:14:01,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1320881517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:14:01,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:14:01,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 01:14:01,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143633560] [2024-11-24 01:14:01,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:14:01,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:14:01,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:14:01,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:14:01,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:14:01,628 INFO L87 Difference]: Start difference. First operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-24 01:14:01,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:14:01,656 INFO L93 Difference]: Finished difference Result 57 states and 85 transitions. [2024-11-24 01:14:01,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:14:01,661 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2024-11-24 01:14:01,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:14:01,668 INFO L225 Difference]: With dead ends: 57 [2024-11-24 01:14:01,668 INFO L226 Difference]: Without dead ends: 28 [2024-11-24 01:14:01,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:14:01,680 INFO L435 NwaCegarLoop]: 35 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, 35 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 [2024-11-24 01:14:01,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:14:01,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-24 01:14:01,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-11-24 01:14:01,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-24 01:14:01,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2024-11-24 01:14:01,738 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 50 [2024-11-24 01:14:01,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:14:01,739 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2024-11-24 01:14:01,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-24 01:14:01,739 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-24 01:14:01,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-24 01:14:01,743 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:14:01,745 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:14:01,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:14:01,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 01:14:01,949 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:14:01,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:14:01,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1362863631, now seen corresponding path program 1 times [2024-11-24 01:14:01,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:14:01,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558613574] [2024-11-24 01:14:01,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:14:01,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:14:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:14:02,070 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:14:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:14:02,221 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 01:14:02,221 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:14:02,223 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:14:02,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:14:02,232 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-24 01:14:02,297 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:14:02,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:14:02 BoogieIcfgContainer [2024-11-24 01:14:02,301 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:14:02,302 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:14:02,302 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:14:02,302 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:14:02,303 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:14:00" (3/4) ... [2024-11-24 01:14:02,306 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 01:14:02,307 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:14:02,309 INFO L158 Benchmark]: Toolchain (without parser) took 2306.64ms. Allocated memory is still 117.4MB. Free memory was 85.2MB in the beginning and 76.2MB in the end (delta: 9.0MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2024-11-24 01:14:02,309 INFO L158 Benchmark]: CDTParser took 0.87ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:14:02,309 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.45ms. Allocated memory is still 117.4MB. Free memory was 85.2MB in the beginning and 73.6MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:14:02,310 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.64ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 72.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:14:02,311 INFO L158 Benchmark]: Boogie Preprocessor took 63.61ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 70.7MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:14:02,312 INFO L158 Benchmark]: RCFGBuilder took 404.44ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 59.6MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:14:02,312 INFO L158 Benchmark]: TraceAbstraction took 1476.90ms. Allocated memory is still 117.4MB. Free memory was 58.9MB in the beginning and 76.2MB in the end (delta: -17.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:14:02,312 INFO L158 Benchmark]: Witness Printer took 5.60ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 76.2MB in the end (delta: 32.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:14:02,317 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.45ms. Allocated memory is still 117.4MB. Free memory was 85.2MB in the beginning and 73.6MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.64ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 72.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 63.61ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 70.7MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 404.44ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 59.6MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1476.90ms. Allocated memory is still 117.4MB. Free memory was 58.9MB in the beginning and 76.2MB in the end (delta: -17.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.60ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 76.2MB in the end (delta: 32.3kB). 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 57, overapproximation of someBinaryFLOATComparisonOperation at line 52, overapproximation of someBinaryFLOATComparisonOperation at line 36, overapproximation of someBinaryDOUBLEComparisonOperation at line 57, overapproximation of someUnaryFLOAToperation at line 36. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 63.45; [L23] unsigned long int var_1_2 = 3925393104; [L24] unsigned long int var_1_3 = 256; [L25] unsigned long int var_1_4 = 2; [L26] float var_1_5 = 3.6; [L27] float var_1_6 = 99.372; [L28] double var_1_7 = 32.15; VAL [isInitial=0, var_1_1=1269/20, var_1_2=3925393104, var_1_3=256, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L61] isInitial = 1 [L62] FCALL initially() [L64] FCALL updateLastVariables() [L65] CALL updateVariables() [L42] var_1_2 = __VERIFIER_nondet_ulong() [L43] CALL assume_abort_if_not(var_1_2 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=256, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=256, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L43] RET assume_abort_if_not(var_1_2 >= 2147483647) VAL [isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=256, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L44] CALL assume_abort_if_not(var_1_2 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=256, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=256, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L44] RET assume_abort_if_not(var_1_2 <= 4294967295) VAL [isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=256, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L45] var_1_3 = __VERIFIER_nondet_ulong() [L46] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L46] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L47] CALL assume_abort_if_not(var_1_3 <= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L47] RET assume_abort_if_not(var_1_3 <= 1073741824) VAL [isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L48] var_1_4 = __VERIFIER_nondet_ulong() [L49] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L49] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L50] CALL assume_abort_if_not(var_1_4 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L50] RET assume_abort_if_not(var_1_4 <= 1073741823) VAL [isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L51] var_1_5 = __VERIFIER_nondet_float() [L52] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_6=24843/250, var_1_7=643/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_6=24843/250, var_1_7=643/20] [L52] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_6=24843/250, var_1_7=643/20] [L65] RET updateVariables() [L66] CALL step() [L32] unsigned long int stepLocal_0 = 10u / 16u; VAL [isInitial=1, stepLocal_0=0, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_6=24843/250, var_1_7=643/20] [L33] COND FALSE !((var_1_2 - (var_1_3 + var_1_4)) <= stepLocal_0) [L36] var_1_1 = ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) VAL [isInitial=1, var_1_1=27670116108416843781, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_5=27670116108416843781, var_1_6=24843/250, var_1_7=643/20] [L38] var_1_6 = var_1_5 [L39] var_1_7 = var_1_5 VAL [isInitial=1, var_1_1=27670116108416843781, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_5=27670116108416843781, var_1_6=27670116108416843781, var_1_7=27670116108416843781] [L66] RET step() [L67] CALL, EXPR property() [L57-L58] return ((((var_1_2 - (var_1_3 + var_1_4)) <= (10u / 16u)) ? (var_1_1 == ((float) var_1_5)) : (var_1_1 == ((float) ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))))) && (var_1_6 == ((float) var_1_5))) && (var_1_7 == ((double) var_1_5)) ; VAL [\result=0, isInitial=1, var_1_1=27670116108416843781, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_5=27670116108416843781, var_1_6=27670116108416843781, var_1_7=27670116108416843781] [L67] RET, EXPR property() [L67] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=27670116108416843781, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_5=27670116108416843781, var_1_6=27670116108416843781, var_1_7=27670116108416843781] [L19] reach_error() VAL [isInitial=1, var_1_1=27670116108416843781, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_5=27670116108416843781, var_1_6=27670116108416843781, var_1_7=27670116108416843781] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 7, 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, 35 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, 35 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 98 ConstructedInterpolants, 0 QuantifiedInterpolants, 98 SizeOfPredicates, 0 NumberOfNonLiveVariables, 130 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 156/168 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 [2024-11-24 01:14:02,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/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_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/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_206c10eb-5b78-4ef3-858e-6a73bc13b55d/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 0f3c671fd90b32c42295a3fff7f6ed38c1953794fa7bfd867d0ac70cf5a873bc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:14:05,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:14:06,058 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 01:14:06,069 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:14:06,070 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:14:06,119 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:14:06,119 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:14:06,120 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:14:06,121 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:14:06,121 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:14:06,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:14:06,122 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:14:06,122 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:14:06,122 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:14:06,122 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:14:06,122 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:14:06,122 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:14:06,123 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:14:06,123 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:14:06,123 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:14:06,123 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:14:06,123 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:14:06,123 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:14:06,123 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 01:14:06,124 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 01:14:06,125 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 01:14:06,125 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:14:06,125 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:14:06,126 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:14:06,126 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:14:06,126 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:14:06,127 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:14:06,127 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:14:06,127 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:14:06,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:14:06,127 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:14:06,128 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:14:06,128 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:14:06,128 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:14:06,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:14:06,128 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:14:06,128 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:14:06,129 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:14:06,129 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:14:06,129 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 01:14:06,129 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 01:14:06,129 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:14:06,129 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:14:06,129 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:14:06,129 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:14:06,129 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_206c10eb-5b78-4ef3-858e-6a73bc13b55d/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 -> 0f3c671fd90b32c42295a3fff7f6ed38c1953794fa7bfd867d0ac70cf5a873bc [2024-11-24 01:14:06,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:14:06,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:14:06,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:14:06,536 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:14:06,537 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:14:06,538 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i [2024-11-24 01:14:10,270 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/data/917bd5336/234f067555da49bdad93245c818e9c8d/FLAGfa1ebd683 [2024-11-24 01:14:10,588 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:14:10,589 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i [2024-11-24 01:14:10,602 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/data/917bd5336/234f067555da49bdad93245c818e9c8d/FLAGfa1ebd683 [2024-11-24 01:14:10,634 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/data/917bd5336/234f067555da49bdad93245c818e9c8d [2024-11-24 01:14:10,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:14:10,645 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:14:10,647 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:14:10,648 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:14:10,654 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:14:10,655 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:14:10" (1/1) ... [2024-11-24 01:14:10,656 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b25c13f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:10, skipping insertion in model container [2024-11-24 01:14:10,656 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:14:10" (1/1) ... [2024-11-24 01:14:10,680 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:14:10,895 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_206c10eb-5b78-4ef3-858e-6a73bc13b55d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i[915,928] [2024-11-24 01:14:10,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:14:10,977 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:14:10,991 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_206c10eb-5b78-4ef3-858e-6a73bc13b55d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i[915,928] [2024-11-24 01:14:11,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:14:11,030 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:14:11,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:11 WrapperNode [2024-11-24 01:14:11,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:14:11,034 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:14:11,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:14:11,035 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:14:11,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:11" (1/1) ... [2024-11-24 01:14:11,063 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:11" (1/1) ... [2024-11-24 01:14:11,091 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 65 [2024-11-24 01:14:11,091 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:14:11,092 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:14:11,092 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:14:11,092 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:14:11,104 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:11" (1/1) ... [2024-11-24 01:14:11,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:11" (1/1) ... [2024-11-24 01:14:11,110 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:11" (1/1) ... [2024-11-24 01:14:11,128 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]. [2024-11-24 01:14:11,132 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:11" (1/1) ... [2024-11-24 01:14:11,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:11" (1/1) ... [2024-11-24 01:14:11,142 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:11" (1/1) ... [2024-11-24 01:14:11,146 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:11" (1/1) ... [2024-11-24 01:14:11,153 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:11" (1/1) ... [2024-11-24 01:14:11,155 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:11" (1/1) ... [2024-11-24 01:14:11,156 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:11" (1/1) ... [2024-11-24 01:14:11,161 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:14:11,162 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:14:11,162 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:14:11,162 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:14:11,164 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:11" (1/1) ... [2024-11-24 01:14:11,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:14:11,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:14:11,207 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:14:11,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:14:11,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:14:11,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 01:14:11,239 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:14:11,239 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:14:11,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:14:11,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:14:11,317 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:14:11,320 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:14:11,647 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-24 01:14:11,647 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:14:11,659 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:14:11,660 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:14:11,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:14:11 BoogieIcfgContainer [2024-11-24 01:14:11,661 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:14:11,664 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:14:11,664 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:14:11,671 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:14:11,672 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:14:10" (1/3) ... [2024-11-24 01:14:11,672 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a0a00e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:14:11, skipping insertion in model container [2024-11-24 01:14:11,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:11" (2/3) ... [2024-11-24 01:14:11,673 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a0a00e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:14:11, skipping insertion in model container [2024-11-24 01:14:11,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:14:11" (3/3) ... [2024-11-24 01:14:11,675 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-16.i [2024-11-24 01:14:11,695 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:14:11,697 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-16.i that has 2 procedures, 32 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:14:11,772 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:14:11,794 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;@6ea23271, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:14:11,795 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:14:11,799 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-24 01:14:11,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-24 01:14:11,809 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:14:11,810 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:14:11,811 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:14:11,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:14:11,822 INFO L85 PathProgramCache]: Analyzing trace with hash 2083022097, now seen corresponding path program 1 times [2024-11-24 01:14:11,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:14:11,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1689978901] [2024-11-24 01:14:11,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:14:11,842 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 [2024-11-24 01:14:11,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:14:11,848 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/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) [2024-11-24 01:14:11,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/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 [2024-11-24 01:14:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:14:12,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:14:12,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:14:12,329 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-24 01:14:12,330 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:14:12,335 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:14:12,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1689978901] [2024-11-24 01:14:12,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1689978901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:14:12,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:14:12,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:14:12,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866228987] [2024-11-24 01:14:12,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:14:12,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:14:12,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:14:12,373 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:14:12,373 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:14:12,376 INFO L87 Difference]: Start difference. First operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-24 01:14:12,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:14:12,407 INFO L93 Difference]: Finished difference Result 57 states and 85 transitions. [2024-11-24 01:14:12,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:14:12,411 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2024-11-24 01:14:12,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:14:12,419 INFO L225 Difference]: With dead ends: 57 [2024-11-24 01:14:12,420 INFO L226 Difference]: Without dead ends: 28 [2024-11-24 01:14:12,424 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:14:12,429 INFO L435 NwaCegarLoop]: 35 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, 35 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 [2024-11-24 01:14:12,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:14:12,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-24 01:14:12,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-11-24 01:14:12,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-24 01:14:12,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2024-11-24 01:14:12,492 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 50 [2024-11-24 01:14:12,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:14:12,493 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2024-11-24 01:14:12,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-24 01:14:12,494 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-24 01:14:12,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-24 01:14:12,498 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:14:12,498 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:14:12,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/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)] Forceful destruction successful, exit code 0 [2024-11-24 01:14:12,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/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 [2024-11-24 01:14:12,707 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:14:12,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:14:12,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1362863631, now seen corresponding path program 1 times [2024-11-24 01:14:12,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:14:12,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1885839215] [2024-11-24 01:14:12,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:14:12,713 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 [2024-11-24 01:14:12,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:14:12,719 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/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) [2024-11-24 01:14:12,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/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 [2024-11-24 01:14:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:14:13,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-24 01:14:13,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:14:21,627 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 65 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-24 01:14:21,628 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:14:28,448 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-24 01:14:28,449 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:14:28,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1885839215] [2024-11-24 01:14:28,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1885839215] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:14:28,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:14:28,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [18] total 26 [2024-11-24 01:14:28,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097345430] [2024-11-24 01:14:28,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:14:28,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 01:14:28,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:14:28,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 01:14:28,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=512, Unknown=0, NotChecked=0, Total=650 [2024-11-24 01:14:28,454 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-24 01:14:31,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:14:31,263 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2024-11-24 01:14:31,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 01:14:31,264 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 50 [2024-11-24 01:14:31,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:14:31,266 INFO L225 Difference]: With dead ends: 46 [2024-11-24 01:14:31,266 INFO L226 Difference]: Without dead ends: 44 [2024-11-24 01:14:31,267 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=154, Invalid=602, Unknown=0, NotChecked=0, Total=756 [2024-11-24 01:14:31,268 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 29 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:14:31,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 102 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-24 01:14:31,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-24 01:14:31,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 41. [2024-11-24 01:14:31,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 29 states have (on average 1.0689655172413792) internal successors, (31), 30 states have internal predecessors, (31), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-24 01:14:31,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2024-11-24 01:14:31,281 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 50 [2024-11-24 01:14:31,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:14:31,281 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2024-11-24 01:14:31,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-24 01:14:31,282 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2024-11-24 01:14:31,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-24 01:14:31,283 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:14:31,284 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:14:31,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/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)] Ended with exit code 0 [2024-11-24 01:14:31,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/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 [2024-11-24 01:14:31,484 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:14:31,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:14:31,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1305605329, now seen corresponding path program 1 times [2024-11-24 01:14:31,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:14:31,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [358902792] [2024-11-24 01:14:31,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:14:31,486 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 [2024-11-24 01:14:31,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:14:31,491 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/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) [2024-11-24 01:14:31,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/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 (4)] Waiting until timeout for monitored process [2024-11-24 01:14:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:14:31,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-24 01:14:31,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:14:37,515 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 65 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-24 01:14:37,516 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:14:44,164 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-24 01:14:44,164 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:14:44,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [358902792] [2024-11-24 01:14:44,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [358902792] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:14:44,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:14:44,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [19] total 28 [2024-11-24 01:14:44,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002943093] [2024-11-24 01:14:44,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:14:44,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 01:14:44,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:14:44,166 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 01:14:44,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=600, Unknown=0, NotChecked=0, Total=756 [2024-11-24 01:14:44,167 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-24 01:14:47,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:14:47,987 INFO L93 Difference]: Finished difference Result 54 states and 63 transitions. [2024-11-24 01:14:47,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-24 01:14:47,988 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 50 [2024-11-24 01:14:47,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:14:47,989 INFO L225 Difference]: With dead ends: 54 [2024-11-24 01:14:47,989 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 01:14:47,990 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=191, Invalid=801, Unknown=0, NotChecked=0, Total=992 [2024-11-24 01:14:47,991 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 32 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:14:47,995 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 106 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 01:14:47,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 01:14:47,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 01:14:47,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:14:47,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 01:14:47,996 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50 [2024-11-24 01:14:47,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:14:47,997 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 01:14:47,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-24 01:14:47,997 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 01:14:47,997 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 01:14:48,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:14:48,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/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 (4)] Ended with exit code 0 [2024-11-24 01:14:48,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/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 [2024-11-24 01:14:48,205 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-24 01:14:48,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 01:14:54,503 WARN L286 SmtUtils]: Spent 6.04s on a formula simplification. DAG size of input: 42 DAG size of output: 29 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-24 01:14:54,570 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:14:54,587 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:14:54,588 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~stepLocal_0~0 [2024-11-24 01:14:54,589 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~64 [2024-11-24 01:14:54,589 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~64 [2024-11-24 01:14:54,589 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.neg~32 [2024-11-24 01:14:54,589 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:14:54,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:14:54 BoogieIcfgContainer [2024-11-24 01:14:54,590 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:14:54,594 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:14:54,594 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:14:54,594 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:14:54,595 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:14:11" (3/4) ... [2024-11-24 01:14:54,599 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 01:14:54,606 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-24 01:14:54,612 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-24 01:14:54,613 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-24 01:14:54,614 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 01:14:54,614 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 01:14:54,719 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:14:54,720 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 01:14:54,720 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:14:54,721 INFO L158 Benchmark]: Toolchain (without parser) took 44076.42ms. Allocated memory was 83.9MB in the beginning and 134.2MB in the end (delta: 50.3MB). Free memory was 59.8MB in the beginning and 80.5MB in the end (delta: -20.7MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2024-11-24 01:14:54,722 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 83.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:14:54,723 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.18ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 47.7MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:14:54,723 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.07ms. Allocated memory is still 83.9MB. Free memory was 47.7MB in the beginning and 46.2MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:14:54,725 INFO L158 Benchmark]: Boogie Preprocessor took 69.45ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 44.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:14:54,725 INFO L158 Benchmark]: RCFGBuilder took 498.81ms. Allocated memory is still 83.9MB. Free memory was 44.6MB in the beginning and 33.6MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:14:54,726 INFO L158 Benchmark]: TraceAbstraction took 42926.60ms. Allocated memory was 83.9MB in the beginning and 134.2MB in the end (delta: 50.3MB). Free memory was 32.9MB in the beginning and 84.7MB in the end (delta: -51.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:14:54,726 INFO L158 Benchmark]: Witness Printer took 126.06ms. Allocated memory is still 134.2MB. Free memory was 84.7MB in the beginning and 80.5MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:14:54,730 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 83.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.18ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 47.7MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.07ms. Allocated memory is still 83.9MB. Free memory was 47.7MB in the beginning and 46.2MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.45ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 44.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 498.81ms. Allocated memory is still 83.9MB. Free memory was 44.6MB in the beginning and 33.6MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 42926.60ms. Allocated memory was 83.9MB in the beginning and 134.2MB in the end (delta: 50.3MB). Free memory was 32.9MB in the beginning and 84.7MB in the end (delta: -51.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 126.06ms. Allocated memory is still 134.2MB. Free memory was 84.7MB in the beginning and 80.5MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~stepLocal_0~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.neg~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 36.5s, OverallIterations: 3, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 61 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 61 mSDsluCounter, 243 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 147 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 247 IncrementalHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 96 mSDtfsCounter, 247 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 251 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 17.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=2, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 28.0s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 245 ConstructedInterpolants, 0 QuantifiedInterpolants, 1691 SizeOfPredicates, 19 NumberOfNonLiveVariables, 264 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 396/420 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-24 01:14:54,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206c10eb-5b78-4ef3-858e-6a73bc13b55d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE