./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-77.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_5f764185-e943-4f30-8cae-a543d01567a7/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f764185-e943-4f30-8cae-a543d01567a7/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_5f764185-e943-4f30-8cae-a543d01567a7/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f764185-e943-4f30-8cae-a543d01567a7/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f764185-e943-4f30-8cae-a543d01567a7/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_5f764185-e943-4f30-8cae-a543d01567a7/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 859a920f63c1694866fabc642d8411c9dffc71554bb5d2242e1f57ae0831190e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:38:55,787 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:38:55,849 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f764185-e943-4f30-8cae-a543d01567a7/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 22:38:55,855 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:38:55,855 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:38:55,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:38:55,881 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:38:55,881 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:38:55,881 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:38:55,881 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:38:55,882 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:38:55,882 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:38:55,882 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:38:55,882 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:38:55,882 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:38:55,882 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:38:55,883 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:38:55,883 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 22:38:55,883 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:38:55,883 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 22:38:55,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:38:55,883 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:38:55,883 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:38:55,883 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:38:55,883 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 22:38:55,884 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:38:55,884 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:38:55,884 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:38:55,884 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:38:55,884 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:38:55,884 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:38:55,884 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:38:55,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:38:55,885 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:38:55,885 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:38:55,885 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:38:55,885 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:38:55,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:38:55,885 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:38:55,885 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:38:55,885 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:38:55,886 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:38:55,886 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:38:55,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:38:55,886 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:38:55,886 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:38:55,886 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:38:55,886 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:38:55,886 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_5f764185-e943-4f30-8cae-a543d01567a7/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 -> 859a920f63c1694866fabc642d8411c9dffc71554bb5d2242e1f57ae0831190e [2024-11-23 22:38:56,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:38:56,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:38:56,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:38:56,204 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:38:56,204 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:38:56,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f764185-e943-4f30-8cae-a543d01567a7/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-77.i [2024-11-23 22:38:59,292 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f764185-e943-4f30-8cae-a543d01567a7/bin/uautomizer-verify-LYvppIcaGC/data/73a0560e2/c4fe63bf3d0e41f583283c704a30e51d/FLAGf68e76f1b [2024-11-23 22:38:59,609 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:38:59,610 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f764185-e943-4f30-8cae-a543d01567a7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-77.i [2024-11-23 22:38:59,637 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f764185-e943-4f30-8cae-a543d01567a7/bin/uautomizer-verify-LYvppIcaGC/data/73a0560e2/c4fe63bf3d0e41f583283c704a30e51d/FLAGf68e76f1b [2024-11-23 22:38:59,689 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f764185-e943-4f30-8cae-a543d01567a7/bin/uautomizer-verify-LYvppIcaGC/data/73a0560e2/c4fe63bf3d0e41f583283c704a30e51d [2024-11-23 22:38:59,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:38:59,694 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:38:59,696 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:38:59,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:38:59,702 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:38:59,703 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:38:59" (1/1) ... [2024-11-23 22:38:59,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d3d0712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:38:59, skipping insertion in model container [2024-11-23 22:38:59,706 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:38:59" (1/1) ... [2024-11-23 22:38:59,730 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:38:59,924 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_5f764185-e943-4f30-8cae-a543d01567a7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-77.i[915,928] [2024-11-23 22:38:59,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:38:59,978 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:38:59,989 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_5f764185-e943-4f30-8cae-a543d01567a7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-77.i[915,928] [2024-11-23 22:39:00,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:39:00,036 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:39:00,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:00 WrapperNode [2024-11-23 22:39:00,038 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:39:00,039 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:39:00,039 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:39:00,040 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:39:00,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:00" (1/1) ... [2024-11-23 22:39:00,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:00" (1/1) ... [2024-11-23 22:39:00,089 INFO L138 Inliner]: procedures = 26, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 79 [2024-11-23 22:39:00,090 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:39:00,090 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:39:00,090 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:39:00,091 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:39:00,101 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:00" (1/1) ... [2024-11-23 22:39:00,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:00" (1/1) ... [2024-11-23 22:39:00,105 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:00" (1/1) ... [2024-11-23 22:39:00,128 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]. [2024-11-23 22:39:00,128 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:00" (1/1) ... [2024-11-23 22:39:00,129 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:00" (1/1) ... [2024-11-23 22:39:00,133 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:00" (1/1) ... [2024-11-23 22:39:00,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:00" (1/1) ... [2024-11-23 22:39:00,142 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:00" (1/1) ... [2024-11-23 22:39:00,146 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:00" (1/1) ... [2024-11-23 22:39:00,151 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:00" (1/1) ... [2024-11-23 22:39:00,152 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:39:00,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:39:00,153 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:39:00,157 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:39:00,158 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:00" (1/1) ... [2024-11-23 22:39:00,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:39:00,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f764185-e943-4f30-8cae-a543d01567a7/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:39:00,195 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f764185-e943-4f30-8cae-a543d01567a7/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:39:00,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f764185-e943-4f30-8cae-a543d01567a7/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:39:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:39:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 22:39:00,227 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 22:39:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 22:39:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:39:00,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:39:00,290 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:39:00,292 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:39:00,519 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-23 22:39:00,519 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:39:00,531 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:39:00,532 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 22:39:00,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:39:00 BoogieIcfgContainer [2024-11-23 22:39:00,532 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:39:00,535 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:39:00,536 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:39:00,541 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:39:00,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:38:59" (1/3) ... [2024-11-23 22:39:00,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52ab169e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:39:00, skipping insertion in model container [2024-11-23 22:39:00,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:39:00" (2/3) ... [2024-11-23 22:39:00,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52ab169e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:39:00, skipping insertion in model container [2024-11-23 22:39:00,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:39:00" (3/3) ... [2024-11-23 22:39:00,544 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-77.i [2024-11-23 22:39:00,562 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:39:00,567 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-77.i that has 2 procedures, 40 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 22:39:00,626 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:39:00,641 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;@3cedb651, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:39:00,642 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 22:39:00,646 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 25 states have internal predecessors, (31), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-23 22:39:00,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-23 22:39:00,656 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:39:00,657 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:39:00,658 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:39:00,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:39:00,666 INFO L85 PathProgramCache]: Analyzing trace with hash 768473224, now seen corresponding path program 1 times [2024-11-23 22:39:00,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:39:00,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942894993] [2024-11-23 22:39:00,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:39:00,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:39:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:39:00,937 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-23 22:39:00,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:39:00,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942894993] [2024-11-23 22:39:00,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942894993] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:39:00,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309225644] [2024-11-23 22:39:00,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:39:00,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:39:00,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f764185-e943-4f30-8cae-a543d01567a7/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:39:00,945 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f764185-e943-4f30-8cae-a543d01567a7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:39:00,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f764185-e943-4f30-8cae-a543d01567a7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 22:39:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:39:01,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 22:39:01,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:39:01,167 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-23 22:39:01,168 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:39:01,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309225644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:39:01,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:39:01,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 22:39:01,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131750890] [2024-11-23 22:39:01,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:39:01,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 22:39:01,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:39:01,203 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 22:39:01,204 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 22:39:01,208 INFO L87 Difference]: Start difference. First operand has 40 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 25 states have internal predecessors, (31), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-23 22:39:01,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:39:01,244 INFO L93 Difference]: Finished difference Result 73 states and 121 transitions. [2024-11-23 22:39:01,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 22:39:01,247 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) Word has length 81 [2024-11-23 22:39:01,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:39:01,256 INFO L225 Difference]: With dead ends: 73 [2024-11-23 22:39:01,256 INFO L226 Difference]: Without dead ends: 36 [2024-11-23 22:39:01,261 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 22:39:01,266 INFO L435 NwaCegarLoop]: 50 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, 50 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:39:01,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:39:01,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-23 22:39:01,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-23 22:39:01,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 21 states have internal predecessors, (24), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-23 22:39:01,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 50 transitions. [2024-11-23 22:39:01,347 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 50 transitions. Word has length 81 [2024-11-23 22:39:01,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:39:01,349 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 50 transitions. [2024-11-23 22:39:01,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-23 22:39:01,350 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2024-11-23 22:39:01,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-23 22:39:01,354 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:39:01,354 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:39:01,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f764185-e943-4f30-8cae-a543d01567a7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 22:39:01,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f764185-e943-4f30-8cae-a543d01567a7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:39:01,560 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:39:01,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:39:01,561 INFO L85 PathProgramCache]: Analyzing trace with hash 817435530, now seen corresponding path program 1 times [2024-11-23 22:39:01,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:39:01,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610855816] [2024-11-23 22:39:01,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:39:01,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:39:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:39:02,093 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-23 22:39:02,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:39:02,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610855816] [2024-11-23 22:39:02,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610855816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:39:02,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:39:02,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:39:02,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866272327] [2024-11-23 22:39:02,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:39:02,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:39:02,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:39:02,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:39:02,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:39:02,096 INFO L87 Difference]: Start difference. First operand 36 states and 50 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-23 22:39:02,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:39:02,170 INFO L93 Difference]: Finished difference Result 58 states and 82 transitions. [2024-11-23 22:39:02,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:39:02,171 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 81 [2024-11-23 22:39:02,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:39:02,172 INFO L225 Difference]: With dead ends: 58 [2024-11-23 22:39:02,172 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 22:39:02,172 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:39:02,173 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 35 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:39:02,174 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 267 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:39:02,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 22:39:02,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 22:39:02,175 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) [2024-11-23 22:39:02,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 22:39:02,175 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 81 [2024-11-23 22:39:02,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:39:02,175 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 22:39:02,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-23 22:39:02,176 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 22:39:02,176 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 22:39:02,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 22:39:02,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 22:39:02,182 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-23 22:39:02,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 22:39:02,221 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 22:39:02,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:39:02 BoogieIcfgContainer [2024-11-23 22:39:02,237 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 22:39:02,238 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 22:39:02,238 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 22:39:02,238 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 22:39:02,241 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:39:00" (3/4) ... [2024-11-23 22:39:02,244 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 22:39:02,250 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-23 22:39:02,254 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-23 22:39:02,255 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-23 22:39:02,255 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 22:39:02,255 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 22:39:02,341 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f764185-e943-4f30-8cae-a543d01567a7/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 22:39:02,342 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f764185-e943-4f30-8cae-a543d01567a7/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 22:39:02,342 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 22:39:02,347 INFO L158 Benchmark]: Toolchain (without parser) took 2649.01ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 49.4MB in the end (delta: 44.5MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2024-11-23 22:39:02,348 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 167.8MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:39:02,348 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.97ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 82.2MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:39:02,348 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.85ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 80.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:39:02,348 INFO L158 Benchmark]: Boogie Preprocessor took 62.19ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:39:02,349 INFO L158 Benchmark]: RCFGBuilder took 379.18ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 67.1MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 22:39:02,349 INFO L158 Benchmark]: TraceAbstraction took 1701.58ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 54.8MB in the end (delta: 11.6MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-11-23 22:39:02,349 INFO L158 Benchmark]: Witness Printer took 104.42ms. Allocated memory is still 117.4MB. Free memory was 54.8MB in the beginning and 49.4MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:39:02,352 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67ms. Allocated memory is still 167.8MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.97ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 82.2MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.85ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 80.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 62.19ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 379.18ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 67.1MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1701.58ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 54.8MB in the end (delta: 11.6MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Witness Printer took 104.42ms. Allocated memory is still 117.4MB. Free memory was 54.8MB in the beginning and 49.4MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. 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 - 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, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 35 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35 mSDsluCounter, 317 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 190 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 127 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 243 NumberOfCodeBlocks, 243 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 240 ConstructedInterpolants, 0 QuantifiedInterpolants, 246 SizeOfPredicates, 0 NumberOfNonLiveVariables, 185 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 912/936 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! [2024-11-23 22:39:02,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f764185-e943-4f30-8cae-a543d01567a7/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