./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-36.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 679f3e9a797f0d0c698ba326ece0ec204f57b310bb0854e1596d356f433c56d3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:24:41,970 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:24:42,046 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 00:24:42,053 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:24:42,054 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:24:42,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:24:42,089 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:24:42,089 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:24:42,089 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:24:42,089 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:24:42,090 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:24:42,090 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:24:42,090 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:24:42,090 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:24:42,090 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:24:42,090 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:24:42,091 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:24:42,091 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:24:42,091 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:24:42,091 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:24:42,091 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:24:42,091 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:24:42,091 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:24:42,091 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:24:42,091 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:24:42,092 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:24:42,092 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:24:42,092 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:24:42,093 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:24:42,093 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:24:42,093 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:24:42,093 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:24:42,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:24:42,093 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:24:42,093 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:24:42,094 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:24:42,094 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:24:42,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:24:42,094 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:24:42,094 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:24:42,094 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:24:42,094 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:24:42,095 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:24:42,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:24:42,095 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:24:42,095 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:24:42,095 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:24:42,095 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:24:42,095 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_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 679f3e9a797f0d0c698ba326ece0ec204f57b310bb0854e1596d356f433c56d3 [2024-11-24 00:24:42,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:24:42,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:24:42,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:24:42,501 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:24:42,502 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:24:42,504 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-36.i [2024-11-24 00:24:45,744 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/data/98a597a7b/6eb738f3007f4162880c18fb1b7b85f3/FLAG047bc67d5 [2024-11-24 00:24:46,069 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:24:46,069 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-36.i [2024-11-24 00:24:46,080 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/data/98a597a7b/6eb738f3007f4162880c18fb1b7b85f3/FLAG047bc67d5 [2024-11-24 00:24:46,106 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/data/98a597a7b/6eb738f3007f4162880c18fb1b7b85f3 [2024-11-24 00:24:46,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:24:46,113 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:24:46,116 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:24:46,117 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:24:46,123 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:24:46,127 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:24:46" (1/1) ... [2024-11-24 00:24:46,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@769cb95b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:46, skipping insertion in model container [2024-11-24 00:24:46,128 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:24:46" (1/1) ... [2024-11-24 00:24:46,152 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:24:46,317 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_4ac15c21-23bf-4a6d-82f2-4984db88fee2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-36.i[913,926] [2024-11-24 00:24:46,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:24:46,396 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:24:46,406 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_4ac15c21-23bf-4a6d-82f2-4984db88fee2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-36.i[913,926] [2024-11-24 00:24:46,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:24:46,441 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:24:46,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:46 WrapperNode [2024-11-24 00:24:46,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:24:46,443 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:24:46,444 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:24:46,444 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:24:46,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:46" (1/1) ... [2024-11-24 00:24:46,459 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:46" (1/1) ... [2024-11-24 00:24:46,503 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 119 [2024-11-24 00:24:46,503 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:24:46,504 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:24:46,504 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:24:46,504 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:24:46,520 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:46" (1/1) ... [2024-11-24 00:24:46,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:46" (1/1) ... [2024-11-24 00:24:46,527 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:46" (1/1) ... [2024-11-24 00:24:46,551 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 00:24:46,551 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:46" (1/1) ... [2024-11-24 00:24:46,554 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:46" (1/1) ... [2024-11-24 00:24:46,563 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:46" (1/1) ... [2024-11-24 00:24:46,564 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:46" (1/1) ... [2024-11-24 00:24:46,567 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:46" (1/1) ... [2024-11-24 00:24:46,572 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:46" (1/1) ... [2024-11-24 00:24:46,573 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:46" (1/1) ... [2024-11-24 00:24:46,578 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:24:46,579 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:24:46,579 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:24:46,580 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:24:46,580 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:46" (1/1) ... [2024-11-24 00:24:46,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:24:46,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:24:46,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:24:46,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:24:46,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:24:46,657 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:24:46,657 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:24:46,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:24:46,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:24:46,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:24:46,743 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:24:46,745 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:24:47,003 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-24 00:24:47,003 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:24:47,012 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:24:47,012 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:24:47,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:24:47 BoogieIcfgContainer [2024-11-24 00:24:47,013 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:24:47,015 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:24:47,015 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:24:47,020 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:24:47,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:24:46" (1/3) ... [2024-11-24 00:24:47,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c72b004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:24:47, skipping insertion in model container [2024-11-24 00:24:47,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:46" (2/3) ... [2024-11-24 00:24:47,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c72b004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:24:47, skipping insertion in model container [2024-11-24 00:24:47,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:24:47" (3/3) ... [2024-11-24 00:24:47,023 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-36.i [2024-11-24 00:24:47,038 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:24:47,040 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-36.i that has 2 procedures, 53 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:24:47,114 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:24:47,129 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;@6676148b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:24:47,130 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:24:47,135 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 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) [2024-11-24 00:24:47,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-24 00:24:47,145 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:24:47,146 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, 1, 1, 1, 1] [2024-11-24 00:24:47,147 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:24:47,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:24:47,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1350173073, now seen corresponding path program 1 times [2024-11-24 00:24:47,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:24:47,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593200626] [2024-11-24 00:24:47,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:24:47,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:24:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:24:47,373 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-24 00:24:47,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:24:47,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593200626] [2024-11-24 00:24:47,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593200626] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:24:47,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863813707] [2024-11-24 00:24:47,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:24:47,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:24:47,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:24:47,377 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:24:47,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:24:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:24:47,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:24:47,568 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:24:47,589 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-24 00:24:47,589 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:24:47,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863813707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:24:47,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:24:47,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 00:24:47,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864122460] [2024-11-24 00:24:47,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:24:47,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:24:47,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:24:47,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:24:47,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:24:47,620 INFO L87 Difference]: Start difference. First operand has 53 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 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 15.0) internal successors, (30), 2 states have internal predecessors, (30), 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) [2024-11-24 00:24:47,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:24:47,644 INFO L93 Difference]: Finished difference Result 99 states and 157 transitions. [2024-11-24 00:24:47,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:24:47,646 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 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 80 [2024-11-24 00:24:47,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:24:47,651 INFO L225 Difference]: With dead ends: 99 [2024-11-24 00:24:47,651 INFO L226 Difference]: Without dead ends: 49 [2024-11-24 00:24:47,656 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:24:47,662 INFO L435 NwaCegarLoop]: 69 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, 69 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:24:47,663 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:24:47,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-24 00:24:47,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-24 00:24:47,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 36 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) [2024-11-24 00:24:47,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 69 transitions. [2024-11-24 00:24:47,698 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 69 transitions. Word has length 80 [2024-11-24 00:24:47,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:24:47,698 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 69 transitions. [2024-11-24 00:24:47,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 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) [2024-11-24 00:24:47,699 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2024-11-24 00:24:47,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-24 00:24:47,702 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:24:47,702 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, 1, 1, 1, 1] [2024-11-24 00:24:47,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 00:24:47,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 00:24:47,903 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:24:47,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:24:47,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1237562345, now seen corresponding path program 1 times [2024-11-24 00:24:47,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:24:47,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747415882] [2024-11-24 00:24:47,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:24:47,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:24:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:24:48,223 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-24 00:24:48,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:24:48,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747415882] [2024-11-24 00:24:48,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747415882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:24:48,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:24:48,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:24:48,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972710914] [2024-11-24 00:24:48,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:24:48,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:24:48,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:24:48,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:24:48,225 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:24:48,226 INFO L87 Difference]: Start difference. First operand 49 states and 69 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2024-11-24 00:24:48,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:24:48,274 INFO L93 Difference]: Finished difference Result 96 states and 137 transitions. [2024-11-24 00:24:48,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:24:48,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 80 [2024-11-24 00:24:48,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:24:48,276 INFO L225 Difference]: With dead ends: 96 [2024-11-24 00:24:48,276 INFO L226 Difference]: Without dead ends: 50 [2024-11-24 00:24:48,277 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:24:48,278 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 0 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:24:48,278 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:24:48,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-24 00:24:48,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-24 00:24:48,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 37 states have internal predecessors, (48), 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) [2024-11-24 00:24:48,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 70 transitions. [2024-11-24 00:24:48,292 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 70 transitions. Word has length 80 [2024-11-24 00:24:48,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:24:48,295 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 70 transitions. [2024-11-24 00:24:48,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2024-11-24 00:24:48,296 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2024-11-24 00:24:48,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-24 00:24:48,298 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:24:48,298 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, 1, 1, 1, 1] [2024-11-24 00:24:48,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:24:48,298 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:24:48,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:24:48,302 INFO L85 PathProgramCache]: Analyzing trace with hash -536497767, now seen corresponding path program 1 times [2024-11-24 00:24:48,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:24:48,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233331660] [2024-11-24 00:24:48,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:24:48,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:24:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:24:48,566 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-24 00:24:48,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:24:48,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233331660] [2024-11-24 00:24:48,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233331660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:24:48,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:24:48,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:24:48,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109062828] [2024-11-24 00:24:48,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:24:48,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:24:48,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:24:48,568 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:24:48,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:24:48,568 INFO L87 Difference]: Start difference. First operand 50 states and 70 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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) [2024-11-24 00:24:48,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:24:48,707 INFO L93 Difference]: Finished difference Result 144 states and 204 transitions. [2024-11-24 00:24:48,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:24:48,708 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 80 [2024-11-24 00:24:48,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:24:48,709 INFO L225 Difference]: With dead ends: 144 [2024-11-24 00:24:48,709 INFO L226 Difference]: Without dead ends: 97 [2024-11-24 00:24:48,710 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:24:48,711 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 52 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:24:48,711 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 171 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:24:48,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-24 00:24:48,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 88. [2024-11-24 00:24:48,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 63 states have (on average 1.3015873015873016) internal successors, (82), 63 states have internal predecessors, (82), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-24 00:24:48,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 126 transitions. [2024-11-24 00:24:48,727 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 126 transitions. Word has length 80 [2024-11-24 00:24:48,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:24:48,727 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 126 transitions. [2024-11-24 00:24:48,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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) [2024-11-24 00:24:48,728 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 126 transitions. [2024-11-24 00:24:48,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-24 00:24:48,729 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:24:48,729 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, 1, 1, 1, 1, 1] [2024-11-24 00:24:48,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:24:48,729 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:24:48,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:24:48,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1656540876, now seen corresponding path program 1 times [2024-11-24 00:24:48,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:24:48,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426626376] [2024-11-24 00:24:48,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:24:48,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:24:48,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:24:48,862 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:24:48,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:24:48,969 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 00:24:48,969 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 00:24:48,970 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:24:48,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 00:24:48,977 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-24 00:24:49,055 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:24:49,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:24:49 BoogieIcfgContainer [2024-11-24 00:24:49,060 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:24:49,061 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:24:49,061 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:24:49,061 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:24:49,063 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:24:47" (3/4) ... [2024-11-24 00:24:49,065 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 00:24:49,066 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:24:49,068 INFO L158 Benchmark]: Toolchain (without parser) took 2954.15ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 98.9MB in the end (delta: 8.0MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2024-11-24 00:24:49,068 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:24:49,068 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.41ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 94.0MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:24:49,070 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.21ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 91.8MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:24:49,070 INFO L158 Benchmark]: Boogie Preprocessor took 74.57ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 89.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:24:49,070 INFO L158 Benchmark]: RCFGBuilder took 433.73ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 74.1MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:24:49,070 INFO L158 Benchmark]: TraceAbstraction took 2045.67ms. Allocated memory is still 142.6MB. Free memory was 73.5MB in the beginning and 98.9MB in the end (delta: -25.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:24:49,071 INFO L158 Benchmark]: Witness Printer took 5.10ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 98.9MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:24:49,074 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.41ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 94.0MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.21ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 91.8MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.57ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 89.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 433.73ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 74.1MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2045.67ms. Allocated memory is still 142.6MB. Free memory was 73.5MB in the beginning and 98.9MB in the end (delta: -25.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.10ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 98.9MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftRight at line 38, overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of someBinaryFLOATComparisonOperation at line 95, overapproximation of someBinaryFLOATComparisonOperation at line 77, overapproximation of someBinaryFLOATComparisonOperation at line 50, overapproximation of someBinaryDOUBLEComparisonOperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 84, overapproximation of someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 41, overapproximation of someBinaryDOUBLEComparisonOperation at line 55, overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 95. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 1; [L23] float var_1_3 = 9999999999.875; [L24] unsigned char var_1_4 = 0; [L25] float var_1_5 = 4.25; [L26] unsigned char var_1_7 = 1; [L27] unsigned char var_1_9 = 1; [L28] double var_1_10 = 64.2; [L29] double var_1_11 = 9.5; [L30] double var_1_12 = 199.5; [L31] double var_1_13 = 3.5; [L32] unsigned char var_1_14 = 1; [L33] unsigned char var_1_16 = 2; [L34] unsigned char last_1_var_1_14 = 1; VAL [isInitial=0, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_3=79999999999/8, var_1_4=0, var_1_5=17/4, var_1_7=1, var_1_9=1] [L99] isInitial = 1 [L100] FCALL initially() [L102] CALL updateLastVariables() [L92] last_1_var_1_14 = var_1_14 VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_3=79999999999/8, var_1_4=0, var_1_5=17/4, var_1_7=1, var_1_9=1] [L102] RET updateLastVariables() [L103] CALL updateVariables() [L71] var_1_3 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=0, var_1_5=17/4, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=0, var_1_5=17/4, var_1_7=1, var_1_9=1] [L72] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=0, var_1_5=17/4, var_1_7=1, var_1_9=1] [L73] var_1_4 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_5=17/4, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_5=17/4, var_1_7=1, var_1_9=1] [L74] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_5=17/4, var_1_7=1, var_1_9=1] [L75] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=17/4, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=17/4, var_1_7=1, var_1_9=1] [L75] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=17/4, var_1_7=1, var_1_9=1] [L76] var_1_5 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L77] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L78] var_1_9 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L79] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L80] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L80] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L81] var_1_11 = __VERIFIER_nondet_double() [L82] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L82] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L83] var_1_12 = __VERIFIER_nondet_double() [L84] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L84] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L85] var_1_13 = __VERIFIER_nondet_double() [L86] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L86] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L87] var_1_16 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L88] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L89] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_16=254, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_16=254, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L89] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_16=254, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L103] RET updateVariables() [L104] CALL step() [L38] EXPR last_1_var_1_14 >> last_1_var_1_14 VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_16=254, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L38] COND TRUE (last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14) [L39] var_1_7 = (var_1_4 || var_1_9) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_16=254, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L41] COND FALSE !(var_1_13 == (- var_1_12)) [L48] var_1_14 = 0 VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=0, var_1_16=254, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L50] COND FALSE !(var_1_5 > var_1_3) [L53] var_1_10 = ((((var_1_11) > (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) ? (var_1_11) : (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13)))))) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=10000000004, var_1_11=10000000004, var_1_12=10000000004, var_1_13=10000000004, var_1_14=0, var_1_16=254, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L55] unsigned char stepLocal_0 = var_1_10 > var_1_10; VAL [isInitial=1, last_1_var_1_14=1, stepLocal_0=0, var_1_10=10000000004, var_1_11=10000000004, var_1_12=10000000004, var_1_13=10000000004, var_1_14=0, var_1_16=254, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L56] COND FALSE !(stepLocal_0 && var_1_7) [L67] var_1_1 = var_1_14 VAL [isInitial=1, last_1_var_1_14=1, var_1_10=10000000004, var_1_11=10000000004, var_1_12=10000000004, var_1_13=10000000004, var_1_14=0, var_1_16=254, var_1_1=0, var_1_4=1, var_1_7=1, var_1_9=1] [L104] RET step() [L105] CALL, EXPR property() [L95] EXPR (((var_1_10 > var_1_10) && var_1_7) ? ((((((var_1_10) > ((- var_1_10))) ? (var_1_10) : ((- var_1_10)))) != var_1_10) ? (var_1_7 ? (var_1_1 == ((unsigned long int) 10u)) : (var_1_1 == ((unsigned long int) var_1_14))) : (var_1_1 == ((unsigned long int) var_1_14))) : (var_1_1 == ((unsigned long int) var_1_14))) && (((last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14)) ? (var_1_7 == ((unsigned char) (var_1_4 || var_1_9))) : 1) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=10000000004, var_1_11=10000000004, var_1_12=10000000004, var_1_13=10000000004, var_1_14=0, var_1_16=254, var_1_1=0, var_1_4=1, var_1_7=1, var_1_9=1] [L95-L96] return (((((var_1_10 > var_1_10) && var_1_7) ? ((((((var_1_10) > ((- var_1_10))) ? (var_1_10) : ((- var_1_10)))) != var_1_10) ? (var_1_7 ? (var_1_1 == ((unsigned long int) 10u)) : (var_1_1 == ((unsigned long int) var_1_14))) : (var_1_1 == ((unsigned long int) var_1_14))) : (var_1_1 == ((unsigned long int) var_1_14))) && (((last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14)) ? (var_1_7 == ((unsigned char) (var_1_4 || var_1_9))) : 1)) && ((var_1_5 > var_1_3) ? (var_1_10 == ((double) 4.6)) : (var_1_10 == ((double) ((((var_1_11) > (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) ? (var_1_11) : (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13)))))))))) && ((var_1_13 == (- var_1_12)) ? ((var_1_7 && var_1_7) ? (var_1_14 == ((unsigned char) var_1_16)) : (var_1_14 == ((unsigned char) var_1_16))) : (var_1_14 == ((unsigned char) 0))) ; [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=10000000004, var_1_11=10000000004, var_1_12=10000000004, var_1_13=10000000004, var_1_14=0, var_1_16=254, var_1_1=0, var_1_4=1, var_1_7=1, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=1, var_1_10=10000000004, var_1_11=10000000004, var_1_12=10000000004, var_1_13=10000000004, var_1_14=0, var_1_16=254, var_1_1=0, var_1_4=1, var_1_7=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 52 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 364 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 166 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 198 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=88occurred in iteration=3, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 401 NumberOfCodeBlocks, 401 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 316 ConstructedInterpolants, 0 QuantifiedInterpolants, 370 SizeOfPredicates, 0 NumberOfNonLiveVariables, 195 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 860/880 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 00:24:49,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 679f3e9a797f0d0c698ba326ece0ec204f57b310bb0854e1596d356f433c56d3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:24:51,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:24:51,806 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 00:24:51,818 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:24:51,818 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:24:51,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:24:51,884 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:24:51,885 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:24:51,885 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:24:51,885 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:24:51,885 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:24:51,885 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:24:51,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:24:51,886 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:24:51,886 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:24:51,886 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:24:51,886 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:24:51,887 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:24:51,887 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:24:51,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:24:51,887 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:24:51,887 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:24:51,887 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:24:51,887 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 00:24:51,887 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 00:24:51,887 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 00:24:51,887 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:24:51,887 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:24:51,888 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:24:51,888 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:24:51,888 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:24:51,888 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:24:51,888 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:24:51,888 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:24:51,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:24:51,888 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:24:51,888 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:24:51,889 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:24:51,889 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:24:51,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:24:51,889 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:24:51,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:24:51,889 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:24:51,889 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:24:51,889 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 00:24:51,889 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 00:24:51,889 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:24:51,890 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:24:51,890 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:24:51,893 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:24:51,893 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_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 679f3e9a797f0d0c698ba326ece0ec204f57b310bb0854e1596d356f433c56d3 [2024-11-24 00:24:52,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:24:52,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:24:52,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:24:52,232 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:24:52,232 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:24:52,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-36.i [2024-11-24 00:24:55,166 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/data/959b74d07/719f3d7718734772ba2fb06e0e838353/FLAG16c20a12b [2024-11-24 00:24:55,458 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:24:55,459 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-36.i [2024-11-24 00:24:55,486 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/data/959b74d07/719f3d7718734772ba2fb06e0e838353/FLAG16c20a12b [2024-11-24 00:24:55,507 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/data/959b74d07/719f3d7718734772ba2fb06e0e838353 [2024-11-24 00:24:55,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:24:55,512 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:24:55,514 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:24:55,516 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:24:55,520 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:24:55,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:24:55" (1/1) ... [2024-11-24 00:24:55,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b9b2e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:55, skipping insertion in model container [2024-11-24 00:24:55,524 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:24:55" (1/1) ... [2024-11-24 00:24:55,545 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:24:55,714 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_4ac15c21-23bf-4a6d-82f2-4984db88fee2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-36.i[913,926] [2024-11-24 00:24:55,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:24:55,806 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:24:55,820 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_4ac15c21-23bf-4a6d-82f2-4984db88fee2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-36.i[913,926] [2024-11-24 00:24:55,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:24:55,873 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:24:55,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:55 WrapperNode [2024-11-24 00:24:55,874 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:24:55,875 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:24:55,876 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:24:55,876 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:24:55,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:55" (1/1) ... [2024-11-24 00:24:55,900 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:55" (1/1) ... [2024-11-24 00:24:55,933 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 100 [2024-11-24 00:24:55,935 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:24:55,936 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:24:55,936 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:24:55,936 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:24:55,946 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:55" (1/1) ... [2024-11-24 00:24:55,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:55" (1/1) ... [2024-11-24 00:24:55,949 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:55" (1/1) ... [2024-11-24 00:24:55,963 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 00:24:55,967 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:55" (1/1) ... [2024-11-24 00:24:55,967 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:55" (1/1) ... [2024-11-24 00:24:55,977 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:55" (1/1) ... [2024-11-24 00:24:55,983 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:55" (1/1) ... [2024-11-24 00:24:55,986 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:55" (1/1) ... [2024-11-24 00:24:55,991 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:55" (1/1) ... [2024-11-24 00:24:55,992 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:55" (1/1) ... [2024-11-24 00:24:55,998 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:24:55,999 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:24:56,001 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:24:56,001 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:24:56,002 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:55" (1/1) ... [2024-11-24 00:24:56,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:24:56,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:24:56,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:24:56,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:24:56,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:24:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 00:24:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:24:56,079 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:24:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:24:56,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:24:56,175 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:24:56,177 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:24:56,471 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-24 00:24:56,471 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:24:56,481 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:24:56,481 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:24:56,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:24:56 BoogieIcfgContainer [2024-11-24 00:24:56,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:24:56,484 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:24:56,484 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:24:56,490 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:24:56,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:24:55" (1/3) ... [2024-11-24 00:24:56,491 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bf39471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:24:56, skipping insertion in model container [2024-11-24 00:24:56,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:24:55" (2/3) ... [2024-11-24 00:24:56,491 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bf39471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:24:56, skipping insertion in model container [2024-11-24 00:24:56,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:24:56" (3/3) ... [2024-11-24 00:24:56,493 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-36.i [2024-11-24 00:24:56,508 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:24:56,510 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-36.i that has 2 procedures, 46 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:24:56,570 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:24:56,589 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;@78e94b17, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:24:56,590 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:24:56,595 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 32 states have (on average 1.375) internal successors, (44), 33 states have internal predecessors, (44), 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) [2024-11-24 00:24:56,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-24 00:24:56,606 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:24:56,607 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, 1] [2024-11-24 00:24:56,607 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:24:56,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:24:56,614 INFO L85 PathProgramCache]: Analyzing trace with hash 495907231, now seen corresponding path program 1 times [2024-11-24 00:24:56,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:24:56,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1400335630] [2024-11-24 00:24:56,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:24:56,629 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:24:56,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:24:56,634 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:24:56,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-24 00:24:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:24:56,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:24:56,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:24:56,932 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-24 00:24:56,932 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:24:56,933 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:24:56,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1400335630] [2024-11-24 00:24:56,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1400335630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:24:56,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:24:56,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:24:56,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778816785] [2024-11-24 00:24:56,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:24:56,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:24:56,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:24:56,958 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:24:56,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:24:56,960 INFO L87 Difference]: Start difference. First operand has 46 states, 32 states have (on average 1.375) internal successors, (44), 33 states have internal predecessors, (44), 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 14.5) internal successors, (29), 2 states have internal predecessors, (29), 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) [2024-11-24 00:24:56,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:24:56,989 INFO L93 Difference]: Finished difference Result 85 states and 137 transitions. [2024-11-24 00:24:56,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:24:56,991 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 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 77 [2024-11-24 00:24:56,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:24:56,997 INFO L225 Difference]: With dead ends: 85 [2024-11-24 00:24:56,997 INFO L226 Difference]: Without dead ends: 42 [2024-11-24 00:24:57,001 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:24:57,003 INFO L435 NwaCegarLoop]: 58 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, 58 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:24:57,004 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:24:57,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-24 00:24:57,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-11-24 00:24:57,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 29 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) [2024-11-24 00:24:57,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 58 transitions. [2024-11-24 00:24:57,040 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 58 transitions. Word has length 77 [2024-11-24 00:24:57,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:24:57,040 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 58 transitions. [2024-11-24 00:24:57,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 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) [2024-11-24 00:24:57,041 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2024-11-24 00:24:57,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-24 00:24:57,043 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:24:57,044 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, 1] [2024-11-24 00:24:57,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-24 00:24:57,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:24:57,245 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:24:57,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:24:57,246 INFO L85 PathProgramCache]: Analyzing trace with hash 842990299, now seen corresponding path program 1 times [2024-11-24 00:24:57,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:24:57,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [339888175] [2024-11-24 00:24:57,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:24:57,246 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:24:57,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:24:57,250 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:24:57,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-24 00:24:57,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:24:57,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 00:24:57,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:28:43,661 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-24 00:28:43,662 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:28:43,662 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:28:43,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [339888175] [2024-11-24 00:28:43,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [339888175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:28:43,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:28:43,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 00:28:43,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990923284] [2024-11-24 00:28:43,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:28:43,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 00:28:43,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:28:43,664 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 00:28:43,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:28:43,665 INFO L87 Difference]: Start difference. First operand 42 states and 58 transitions. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 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) [2024-11-24 00:28:44,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:28:44,434 INFO L93 Difference]: Finished difference Result 141 states and 196 transitions. [2024-11-24 00:28:44,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 00:28:44,436 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 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 77 [2024-11-24 00:28:44,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:28:44,438 INFO L225 Difference]: With dead ends: 141 [2024-11-24 00:28:44,438 INFO L226 Difference]: Without dead ends: 102 [2024-11-24 00:28:44,439 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:28:44,440 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 73 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 00:28:44,440 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 236 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 00:28:44,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-24 00:28:44,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 76. [2024-11-24 00:28:44,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 51 states have (on average 1.196078431372549) internal successors, (61), 51 states have internal predecessors, (61), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-24 00:28:44,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 105 transitions. [2024-11-24 00:28:44,460 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 105 transitions. Word has length 77 [2024-11-24 00:28:44,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:28:44,460 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 105 transitions. [2024-11-24 00:28:44,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 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) [2024-11-24 00:28:44,461 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2024-11-24 00:28:44,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-24 00:28:44,462 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:28:44,463 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, 1] [2024-11-24 00:28:44,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-24 00:28:44,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:28:44,667 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:28:44,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:28:44,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1676969635, now seen corresponding path program 1 times [2024-11-24 00:28:44,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:28:44,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [888782631] [2024-11-24 00:28:44,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:28:44,669 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:28:44,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:28:44,672 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:28:44,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac15c21-23bf-4a6d-82f2-4984db88fee2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-24 00:28:44,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:28:44,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-24 00:28:44,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:34:49,559 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 132 proven. 18 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-24 00:34:49,560 INFO L312 TraceCheckSpWp]: Computing backward predicates...