./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB --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 bc4858d1901c3c90630688f631857e35419d28ea39c5c3a06b704467149a98bd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:04:53,219 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:04:53,308 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 20:04:53,316 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:04:53,322 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:04:53,369 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:04:53,370 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:04:53,370 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:04:53,370 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:04:53,371 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:04:53,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:04:53,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:04:53,372 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:04:53,372 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:04:53,373 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:04:53,373 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:04:53,374 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:04:53,374 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:04:53,374 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:04:53,374 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:04:53,374 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:04:53,375 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:04:53,375 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:04:53,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:04:53,375 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:04:53,375 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:04:53,375 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:04:53,375 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:04:53,376 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:04:53,376 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:04:53,376 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:04:53,376 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:04:53,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:04:53,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:04:53,377 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:04:53,377 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:04:53,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:04:53,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:04:53,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:04:53,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:04:53,378 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:04:53,378 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:04:53,378 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:04:53,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:04:53,379 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:04:53,379 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:04:53,379 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:04:53,379 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:04:53,379 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_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB 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 -> bc4858d1901c3c90630688f631857e35419d28ea39c5c3a06b704467149a98bd [2024-11-27 20:04:53,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:04:53,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:04:53,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:04:53,784 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:04:53,784 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:04:53,786 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i [2024-11-27 20:04:57,105 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/data/6d759c25e/4333537597f64ab691b451b71954602b/FLAGa91d7084b [2024-11-27 20:04:57,522 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:04:57,522 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i [2024-11-27 20:04:57,532 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/data/6d759c25e/4333537597f64ab691b451b71954602b/FLAGa91d7084b [2024-11-27 20:04:57,548 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/data/6d759c25e/4333537597f64ab691b451b71954602b [2024-11-27 20:04:57,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:04:57,552 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:04:57,553 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:04:57,553 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:04:57,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:04:57,559 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:04:57" (1/1) ... [2024-11-27 20:04:57,561 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c03fdc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:57, skipping insertion in model container [2024-11-27 20:04:57,562 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:04:57" (1/1) ... [2024-11-27 20:04:57,582 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:04:57,734 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_7a3327f9-dbb8-48a1-b9f3-512c33831be5/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i[915,928] [2024-11-27 20:04:57,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:04:57,787 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:04:57,799 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_7a3327f9-dbb8-48a1-b9f3-512c33831be5/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i[915,928] [2024-11-27 20:04:57,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:04:57,838 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:04:57,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:57 WrapperNode [2024-11-27 20:04:57,839 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:04:57,840 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:04:57,841 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:04:57,841 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:04:57,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:57" (1/1) ... [2024-11-27 20:04:57,856 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:57" (1/1) ... [2024-11-27 20:04:57,881 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106 [2024-11-27 20:04:57,881 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:04:57,882 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:04:57,882 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:04:57,882 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:04:57,895 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:57" (1/1) ... [2024-11-27 20:04:57,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:57" (1/1) ... [2024-11-27 20:04:57,898 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:57" (1/1) ... [2024-11-27 20:04:57,911 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-27 20:04:57,911 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:57" (1/1) ... [2024-11-27 20:04:57,911 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:57" (1/1) ... [2024-11-27 20:04:57,917 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:57" (1/1) ... [2024-11-27 20:04:57,918 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:57" (1/1) ... [2024-11-27 20:04:57,921 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:57" (1/1) ... [2024-11-27 20:04:57,923 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:57" (1/1) ... [2024-11-27 20:04:57,924 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:57" (1/1) ... [2024-11-27 20:04:57,926 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:04:57,927 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:04:57,927 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:04:57,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:04:57,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:57" (1/1) ... [2024-11-27 20:04:57,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:04:57,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:04:57,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:04:57,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:04:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:04:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 20:04:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 20:04:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:04:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:04:58,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:04:58,093 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:04:58,096 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:04:58,460 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-27 20:04:58,460 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:04:58,482 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:04:58,483 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:04:58,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:04:58 BoogieIcfgContainer [2024-11-27 20:04:58,484 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:04:58,487 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:04:58,489 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:04:58,498 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:04:58,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:04:57" (1/3) ... [2024-11-27 20:04:58,499 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e200f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:04:58, skipping insertion in model container [2024-11-27 20:04:58,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:57" (2/3) ... [2024-11-27 20:04:58,499 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e200f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:04:58, skipping insertion in model container [2024-11-27 20:04:58,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:04:58" (3/3) ... [2024-11-27 20:04:58,501 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-88.i [2024-11-27 20:04:58,520 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:04:58,522 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-while_file-88.i that has 2 procedures, 48 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 20:04:58,586 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:04:58,603 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;@4ec5cab3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:04:58,604 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:04:58,608 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 35 states have internal predecessors, (47), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-27 20:04:58,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-27 20:04:58,618 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:58,619 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:04:58,619 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:04:58,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:58,624 INFO L85 PathProgramCache]: Analyzing trace with hash -2024490382, now seen corresponding path program 1 times [2024-11-27 20:04:58,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:58,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087447765] [2024-11-27 20:04:58,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:58,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:58,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:58,927 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-27 20:04:58,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:58,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087447765] [2024-11-27 20:04:58,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087447765] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:04:58,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940987740] [2024-11-27 20:04:58,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:58,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:04:58,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:04:58,940 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:04:58,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:04:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:59,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 20:04:59,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:04:59,171 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-27 20:04:59,171 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:04:59,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940987740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:59,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:04:59,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 20:04:59,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596281675] [2024-11-27 20:04:59,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:59,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 20:04:59,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:59,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:04:59,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:04:59,203 INFO L87 Difference]: Start difference. First operand has 48 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 35 states have internal predecessors, (47), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-27 20:04:59,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:59,223 INFO L93 Difference]: Finished difference Result 89 states and 143 transitions. [2024-11-27 20:04:59,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:04:59,225 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 76 [2024-11-27 20:04:59,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:59,232 INFO L225 Difference]: With dead ends: 89 [2024-11-27 20:04:59,233 INFO L226 Difference]: Without dead ends: 44 [2024-11-27 20:04:59,236 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:04:59,239 INFO L435 NwaCegarLoop]: 62 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, 62 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 [2024-11-27 20:04:59,240 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:04:59,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-27 20:04:59,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-27 20:04:59,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 31 states have internal predecessors, (40), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-27 20:04:59,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 62 transitions. [2024-11-27 20:04:59,288 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 62 transitions. Word has length 76 [2024-11-27 20:04:59,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:59,290 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 62 transitions. [2024-11-27 20:04:59,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-27 20:04:59,290 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2024-11-27 20:04:59,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-27 20:04:59,294 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:59,294 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:04:59,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 20:04:59,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-27 20:04:59,495 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:04:59,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:59,496 INFO L85 PathProgramCache]: Analyzing trace with hash 243866420, now seen corresponding path program 1 times [2024-11-27 20:04:59,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:59,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432197882] [2024-11-27 20:04:59,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:59,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:04:59,668 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:04:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:04:59,790 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 20:04:59,790 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 20:04:59,792 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 20:04:59,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:04:59,797 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-27 20:04:59,867 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:04:59,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:04:59 BoogieIcfgContainer [2024-11-27 20:04:59,875 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:04:59,876 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:04:59,876 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:04:59,876 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:04:59,877 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:04:58" (3/4) ... [2024-11-27 20:04:59,883 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 20:04:59,884 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:04:59,885 INFO L158 Benchmark]: Toolchain (without parser) took 2333.86ms. Allocated memory is still 117.4MB. Free memory was 84.7MB in the beginning and 53.7MB in the end (delta: 30.9MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2024-11-27 20:04:59,887 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:04:59,887 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.80ms. Allocated memory is still 117.4MB. Free memory was 84.7MB in the beginning and 72.6MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:04:59,888 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.10ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 70.5MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:04:59,888 INFO L158 Benchmark]: Boogie Preprocessor took 44.03ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 68.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:04:59,889 INFO L158 Benchmark]: RCFGBuilder took 558.20ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 54.1MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:04:59,890 INFO L158 Benchmark]: TraceAbstraction took 1388.00ms. Allocated memory is still 117.4MB. Free memory was 53.7MB in the beginning and 54.3MB in the end (delta: -655.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:04:59,891 INFO L158 Benchmark]: Witness Printer took 8.61ms. Allocated memory is still 117.4MB. Free memory was 54.3MB in the beginning and 53.7MB in the end (delta: 609.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:04:59,894 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.80ms. Allocated memory is still 117.4MB. Free memory was 84.7MB in the beginning and 72.6MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.10ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 70.5MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.03ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 68.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 558.20ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 54.1MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1388.00ms. Allocated memory is still 117.4MB. Free memory was 53.7MB in the beginning and 54.3MB in the end (delta: -655.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.61ms. Allocated memory is still 117.4MB. Free memory was 54.3MB in the beginning and 53.7MB in the end (delta: 609.6kB). 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 40, overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of someBinaryFLOATComparisonOperation at line 80. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -8; [L23] signed char var_1_10 = -64; [L24] unsigned char var_1_11 = 0; [L25] unsigned char var_1_12 = 0; [L26] unsigned char var_1_13 = 1; [L27] unsigned char var_1_14 = 0; [L28] unsigned char var_1_15 = 0; [L29] signed long int var_1_16 = -16; [L30] float var_1_17 = 3.5; [L31] float var_1_18 = 128.45; [L32] unsigned long int var_1_19 = 50; [L33] unsigned long int var_1_20 = 25; VAL [isInitial=0, var_1_10=-64, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L84] isInitial = 1 [L85] FCALL initially() [L87] FCALL updateLastVariables() [L88] CALL updateVariables() [L59] var_1_10 = __VERIFIER_nondet_char() [L60] CALL assume_abort_if_not(var_1_10 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L60] RET assume_abort_if_not(var_1_10 >= -127) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L61] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L61] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L62] var_1_12 = __VERIFIER_nondet_uchar() [L63] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L63] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L64] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L64] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L65] var_1_14 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L66] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L67] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L67] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L68] var_1_15 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L69] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L70] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L70] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L71] var_1_18 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=25] [L72] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=25] [L73] var_1_20 = __VERIFIER_nondet_ulong() [L74] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8] [L74] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8] [L75] CALL assume_abort_if_not(var_1_20 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=4] [L75] RET assume_abort_if_not(var_1_20 <= 4294967294) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=4] [L88] RET updateVariables() [L89] CALL step() [L37] var_1_13 = (var_1_14 && var_1_15) [L38] var_1_17 = var_1_18 [L39] var_1_19 = var_1_20 VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=133, var_1_18=133, var_1_19=4, var_1_1=-8, var_1_20=4] [L40] COND TRUE (- (var_1_17 + var_1_17)) > var_1_17 [L41] var_1_11 = var_1_12 VAL [isInitial=1, var_1_10=126, var_1_11=-256, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=133, var_1_18=133, var_1_19=4, var_1_1=-8, var_1_20=4] [L43] var_1_16 = var_1_19 VAL [isInitial=1, var_1_10=126, var_1_11=-256, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=4, var_1_17=133, var_1_18=133, var_1_19=4, var_1_1=-8, var_1_20=4] [L44] EXPR var_1_16 | var_1_19 VAL [isInitial=1, var_1_10=126, var_1_11=-256, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=4, var_1_17=133, var_1_18=133, var_1_19=4, var_1_1=-8, var_1_20=4] [L44] COND FALSE !(((var_1_16 | var_1_19) > var_1_16) && var_1_11) [L55] var_1_1 = var_1_10 VAL [isInitial=1, var_1_10=126, var_1_11=-256, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=4, var_1_17=133, var_1_18=133, var_1_19=4, var_1_1=126, var_1_20=4] [L89] RET step() [L90] CALL, EXPR property() [L80] EXPR var_1_16 | var_1_19 VAL [isInitial=1, var_1_10=126, var_1_11=-256, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=4, var_1_17=133, var_1_18=133, var_1_19=4, var_1_1=126, var_1_20=4] [L80-L81] return ((((((((var_1_16 | var_1_19) > var_1_16) && var_1_11) ? (((var_1_19 != -16) && (var_1_17 <= (var_1_17 + var_1_17))) ? ((var_1_17 > var_1_17) ? (var_1_1 == ((signed char) var_1_10)) : (var_1_1 == ((signed char) var_1_10))) : (var_1_1 == ((signed char) var_1_10))) : (var_1_1 == ((signed char) var_1_10))) && (((- (var_1_17 + var_1_17)) > var_1_17) ? (var_1_11 == ((unsigned char) var_1_12)) : 1)) && (var_1_13 == ((unsigned char) (var_1_14 && var_1_15)))) && (var_1_16 == ((signed long int) var_1_19))) && (var_1_17 == ((float) var_1_18))) && (var_1_19 == ((unsigned long int) var_1_20)) ; [L90] RET, EXPR property() [L90] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=126, var_1_11=-256, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=4, var_1_17=133, var_1_18=133, var_1_19=4, var_1_1=126, var_1_20=4] [L19] reach_error() VAL [isInitial=1, var_1_10=126, var_1_11=-256, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=4, var_1_17=133, var_1_18=133, var_1_19=4, var_1_1=126, var_1_20=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 62 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, 62 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 228 NumberOfCodeBlocks, 228 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 150 SizeOfPredicates, 0 NumberOfNonLiveVariables, 191 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 420/440 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 [2024-11-27 20:04:59,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB --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 bc4858d1901c3c90630688f631857e35419d28ea39c5c3a06b704467149a98bd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:05:02,796 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:05:02,933 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-27 20:05:02,940 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:05:02,941 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:05:02,981 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:05:02,982 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:05:02,983 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:05:02,984 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:05:02,984 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:05:02,985 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:05:02,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:05:02,985 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:05:02,985 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:05:02,986 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:05:02,987 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:05:02,987 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:05:02,987 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:05:02,988 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:05:02,988 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:05:02,988 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:05:02,988 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:05:02,988 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:05:02,988 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 20:05:02,988 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-27 20:05:02,988 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-27 20:05:02,988 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:05:02,988 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:05:02,988 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:05:02,988 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:05:02,989 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:05:02,989 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:05:02,989 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:05:02,989 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:05:02,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:05:02,989 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:05:02,989 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:05:02,989 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:05:02,989 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:05:02,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:05:02,989 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:05:02,990 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:05:02,990 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:05:02,990 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:05:02,990 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-27 20:05:02,990 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-27 20:05:02,990 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:05:02,990 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:05:02,990 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:05:02,990 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:05:02,990 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_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB 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 -> bc4858d1901c3c90630688f631857e35419d28ea39c5c3a06b704467149a98bd [2024-11-27 20:05:03,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:05:03,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:05:03,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:05:03,375 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:05:03,376 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:05:03,377 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i [2024-11-27 20:05:06,527 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/data/bc43f2e80/2c79743f27bf4e4aa21f4e3ea475ee18/FLAG1f86c34a2 [2024-11-27 20:05:06,832 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:05:06,833 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i [2024-11-27 20:05:06,843 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/data/bc43f2e80/2c79743f27bf4e4aa21f4e3ea475ee18/FLAG1f86c34a2 [2024-11-27 20:05:06,868 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/data/bc43f2e80/2c79743f27bf4e4aa21f4e3ea475ee18 [2024-11-27 20:05:06,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:05:06,873 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:05:06,875 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:05:06,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:05:06,881 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:05:06,882 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:05:06" (1/1) ... [2024-11-27 20:05:06,883 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cb564ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:06, skipping insertion in model container [2024-11-27 20:05:06,884 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:05:06" (1/1) ... [2024-11-27 20:05:06,903 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:05:07,081 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_7a3327f9-dbb8-48a1-b9f3-512c33831be5/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i[915,928] [2024-11-27 20:05:07,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:05:07,139 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:05:07,151 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_7a3327f9-dbb8-48a1-b9f3-512c33831be5/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i[915,928] [2024-11-27 20:05:07,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:05:07,198 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:05:07,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:07 WrapperNode [2024-11-27 20:05:07,199 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:05:07,200 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:05:07,200 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:05:07,200 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:05:07,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:07" (1/1) ... [2024-11-27 20:05:07,219 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:07" (1/1) ... [2024-11-27 20:05:07,244 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 87 [2024-11-27 20:05:07,245 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:05:07,245 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:05:07,245 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:05:07,246 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:05:07,254 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:07" (1/1) ... [2024-11-27 20:05:07,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:07" (1/1) ... [2024-11-27 20:05:07,258 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:07" (1/1) ... [2024-11-27 20:05:07,271 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]. [2024-11-27 20:05:07,271 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:07" (1/1) ... [2024-11-27 20:05:07,272 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:07" (1/1) ... [2024-11-27 20:05:07,281 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:07" (1/1) ... [2024-11-27 20:05:07,283 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:07" (1/1) ... [2024-11-27 20:05:07,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:07" (1/1) ... [2024-11-27 20:05:07,288 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:07" (1/1) ... [2024-11-27 20:05:07,290 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:07" (1/1) ... [2024-11-27 20:05:07,293 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:05:07,294 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:05:07,294 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:05:07,294 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:05:07,295 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:07" (1/1) ... [2024-11-27 20:05:07,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:05:07,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:07,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:05:07,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:05:07,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:05:07,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-27 20:05:07,369 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 20:05:07,369 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 20:05:07,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:05:07,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:05:07,458 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:05:07,460 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:05:07,973 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-27 20:05:07,973 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:05:07,988 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:05:07,989 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:05:07,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:05:07 BoogieIcfgContainer [2024-11-27 20:05:07,990 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:05:07,994 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:05:07,994 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:05:08,005 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:05:08,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:05:06" (1/3) ... [2024-11-27 20:05:08,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d06c63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:05:08, skipping insertion in model container [2024-11-27 20:05:08,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:07" (2/3) ... [2024-11-27 20:05:08,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d06c63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:05:08, skipping insertion in model container [2024-11-27 20:05:08,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:05:07" (3/3) ... [2024-11-27 20:05:08,011 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-88.i [2024-11-27 20:05:08,031 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:05:08,034 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-while_file-88.i that has 2 procedures, 41 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 20:05:08,119 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:05:08,136 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;@3cb4843d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:05:08,136 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:05:08,144 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 28 states have internal predecessors, (36), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-27 20:05:08,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-27 20:05:08,156 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:08,157 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:08,158 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:05:08,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:08,166 INFO L85 PathProgramCache]: Analyzing trace with hash -2064427227, now seen corresponding path program 1 times [2024-11-27 20:05:08,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:05:08,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1961739948] [2024-11-27 20:05:08,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:08,182 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 [2024-11-27 20:05:08,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:05:08,187 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-27 20:05:08,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 20:05:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:08,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 20:05:08,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:08,459 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-27 20:05:08,461 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:05:08,465 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:05:08,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1961739948] [2024-11-27 20:05:08,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1961739948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:08,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:08,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:05:08,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970432307] [2024-11-27 20:05:08,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:08,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 20:05:08,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:05:08,505 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:05:08,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:05:08,508 INFO L87 Difference]: Start difference. First operand has 41 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 28 states have internal predecessors, (36), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-27 20:05:08,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:08,530 INFO L93 Difference]: Finished difference Result 75 states and 121 transitions. [2024-11-27 20:05:08,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:05:08,532 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 73 [2024-11-27 20:05:08,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:08,538 INFO L225 Difference]: With dead ends: 75 [2024-11-27 20:05:08,538 INFO L226 Difference]: Without dead ends: 37 [2024-11-27 20:05:08,542 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:05:08,545 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 [2024-11-27 20:05:08,546 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] [2024-11-27 20:05:08,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-27 20:05:08,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-27 20:05:08,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-27 20:05:08,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2024-11-27 20:05:08,588 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 73 [2024-11-27 20:05:08,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:08,589 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 50 transitions. [2024-11-27 20:05:08,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-27 20:05:08,589 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2024-11-27 20:05:08,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-27 20:05:08,592 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:08,592 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:08,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-27 20:05:08,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 20:05:08,793 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:05:08,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:08,794 INFO L85 PathProgramCache]: Analyzing trace with hash -211911261, now seen corresponding path program 1 times [2024-11-27 20:05:08,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:05:08,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1726280088] [2024-11-27 20:05:08,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:08,795 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 [2024-11-27 20:05:08,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:05:08,799 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-27 20:05:08,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 20:05:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:08,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-27 20:05:08,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:12,874 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 90 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-27 20:05:12,875 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:05:20,914 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 20:05:20,915 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:05:20,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1726280088] [2024-11-27 20:05:20,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1726280088] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 20:05:20,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:05:20,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2024-11-27 20:05:20,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581071460] [2024-11-27 20:05:20,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:20,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:05:20,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:05:20,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:05:20,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-11-27 20:05:20,922 INFO L87 Difference]: Start difference. First operand 37 states and 50 transitions. Second operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 20:05:23,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:23,851 INFO L93 Difference]: Finished difference Result 90 states and 118 transitions. [2024-11-27 20:05:23,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:05:23,854 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 73 [2024-11-27 20:05:23,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:23,856 INFO L225 Difference]: With dead ends: 90 [2024-11-27 20:05:23,856 INFO L226 Difference]: Without dead ends: 56 [2024-11-27 20:05:23,856 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2024-11-27 20:05:23,857 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 51 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:23,858 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 177 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-27 20:05:23,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-27 20:05:23,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55. [2024-11-27 20:05:23,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 38 states have (on average 1.105263157894737) internal successors, (42), 39 states have internal predecessors, (42), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 20:05:23,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2024-11-27 20:05:23,877 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 73 [2024-11-27 20:05:23,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:23,879 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2024-11-27 20:05:23,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-27 20:05:23,879 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2024-11-27 20:05:23,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-27 20:05:23,884 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:23,884 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:23,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 20:05:24,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 20:05:24,085 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:05:24,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:24,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1563096101, now seen corresponding path program 1 times [2024-11-27 20:05:24,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:05:24,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1073585753] [2024-11-27 20:05:24,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:24,087 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 [2024-11-27 20:05:24,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:05:24,089 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-27 20:05:24,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 20:05:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:24,241 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-27 20:05:24,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:27,165 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 149 proven. 24 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-27 20:05:27,166 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:05:34,886 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:05:34,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1073585753] [2024-11-27 20:05:34,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1073585753] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:05:34,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1502866167] [2024-11-27 20:05:34,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:34,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 20:05:34,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 20:05:34,891 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 20:05:34,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-27 20:05:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:35,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-27 20:05:35,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:42,199 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 158 proven. 30 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-27 20:05:42,200 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:05:52,609 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-27 20:05:52,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1502866167] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:05:52,609 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:05:52,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 23, 11] total 42 [2024-11-27 20:05:52,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824479258] [2024-11-27 20:05:52,610 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:05:52,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-11-27 20:05:52,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:05:52,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-11-27 20:05:52,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=331, Invalid=1831, Unknown=0, NotChecked=0, Total=2162 [2024-11-27 20:05:52,613 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand has 42 states, 42 states have (on average 1.9523809523809523) internal successors, (82), 40 states have internal predecessors, (82), 10 states have call successors, (28), 9 states have call predecessors, (28), 13 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-27 20:06:08,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:06:11,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:11,441 INFO L93 Difference]: Finished difference Result 181 states and 204 transitions. [2024-11-27 20:06:11,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-27 20:06:11,442 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 1.9523809523809523) internal successors, (82), 40 states have internal predecessors, (82), 10 states have call successors, (28), 9 states have call predecessors, (28), 13 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) Word has length 73 [2024-11-27 20:06:11,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:11,442 INFO L225 Difference]: With dead ends: 181 [2024-11-27 20:06:11,443 INFO L226 Difference]: Without dead ends: 0 [2024-11-27 20:06:11,449 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3077 ImplicationChecksByTransitivity, 27.6s TimeCoverageRelationStatistics Valid=1951, Invalid=8761, Unknown=0, NotChecked=0, Total=10712 [2024-11-27 20:06:11,455 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 139 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 858 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:11,455 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 509 Invalid, 956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 858 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2024-11-27 20:06:11,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-27 20:06:11,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-27 20:06:11,456 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) [2024-11-27 20:06:11,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-27 20:06:11,456 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2024-11-27 20:06:11,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:11,457 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 20:06:11,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 1.9523809523809523) internal successors, (82), 40 states have internal predecessors, (82), 10 states have call successors, (28), 9 states have call predecessors, (28), 13 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-27 20:06:11,457 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-27 20:06:11,457 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-27 20:06:11,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 20:06:11,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-27 20:06:11,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 20:06:11,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 20:06:11,865 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-27 20:06:11,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-27 20:06:30,114 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:06:30,131 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-27 20:06:30,132 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-27 20:06:30,132 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-27 20:06:30,132 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-27 20:06:30,133 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-27 20:06:30,133 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-27 20:06:30,133 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-27 20:06:30,133 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-27 20:06:30,134 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-27 20:06:30,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:06:30 BoogieIcfgContainer [2024-11-27 20:06:30,137 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:06:30,138 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:06:30,138 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:06:30,138 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:06:30,139 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:05:07" (3/4) ... [2024-11-27 20:06:30,142 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 20:06:30,149 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-27 20:06:30,156 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-27 20:06:30,156 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-27 20:06:30,157 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 20:06:30,157 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 20:06:30,267 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 20:06:30,268 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 20:06:30,268 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:06:30,269 INFO L158 Benchmark]: Toolchain (without parser) took 83396.11ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 91.8MB in the beginning and 163.5MB in the end (delta: -71.7MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. [2024-11-27 20:06:30,270 INFO L158 Benchmark]: CDTParser took 1.59ms. Allocated memory is still 117.4MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:06:30,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.03ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 79.0MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:06:30,272 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.86ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.6MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:06:30,272 INFO L158 Benchmark]: Boogie Preprocessor took 47.47ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 74.6MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:06:30,274 INFO L158 Benchmark]: RCFGBuilder took 696.21ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 61.0MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:06:30,274 INFO L158 Benchmark]: TraceAbstraction took 82142.89ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 60.5MB in the beginning and 169.0MB in the end (delta: -108.5MB). Peak memory consumption was 115.7MB. Max. memory is 16.1GB. [2024-11-27 20:06:30,274 INFO L158 Benchmark]: Witness Printer took 130.27ms. Allocated memory is still 260.0MB. Free memory was 169.0MB in the beginning and 163.5MB in the end (delta: 5.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:06:30,276 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.59ms. Allocated memory is still 117.4MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.03ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 79.0MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.86ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.6MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.47ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 74.6MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 696.21ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 61.0MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 82142.89ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 60.5MB in the beginning and 169.0MB in the end (delta: -108.5MB). Peak memory consumption was 115.7MB. Max. memory is 16.1GB. * Witness Printer took 130.27ms. Allocated memory is still 260.0MB. Free memory was 169.0MB in the beginning and 163.5MB in the end (delta: 5.5MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 63.8s, OverallIterations: 3, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 21.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 193 SdHoareTripleChecker+Valid, 8.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 190 mSDsluCounter, 736 SdHoareTripleChecker+Invalid, 8.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 577 mSDsCounter, 104 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 943 IncrementalHoareTripleChecker+Invalid, 1047 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 104 mSolverCounterUnsat, 159 mSDtfsCounter, 943 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 517 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3133 ImplicationChecksByTransitivity, 32.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=2, InterpolantAutomatonStates: 70, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 40.0s InterpolantComputationTime, 292 NumberOfCodeBlocks, 292 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 432 ConstructedInterpolants, 0 QuantifiedInterpolants, 3507 SizeOfPredicates, 47 NumberOfNonLiveVariables, 502 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 1254/1320 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: ((0 == var_1_11) && (var_1_12 <= 0)) RESULT: Ultimate proved your program to be correct! [2024-11-27 20:06:30,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3327f9-dbb8-48a1-b9f3-512c33831be5/bin/uautomizer-verify-aQ6SnzHsRB/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