./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-11.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_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/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_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/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_0780a172-d17c-4e8d-97ad-aa6790da1496/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 493c4a8c013a7a4203725139ad68ff56674f93b6f02b61f7e89a20a5fce278ce --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:08:39,732 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:08:39,808 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 00:08:39,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:08:39,825 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:08:39,879 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:08:39,880 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:08:39,880 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:08:39,880 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:08:39,880 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:08:39,880 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:08:39,880 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:08:39,881 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:08:39,881 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:08:39,881 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:08:39,881 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:08:39,881 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:08:39,881 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:08:39,882 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:08:39,884 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:08:39,884 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:08:39,884 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:08:39,885 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:08:39,885 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:08:39,885 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:08:39,885 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:08:39,885 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:08:39,886 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:08:39,886 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:08:39,886 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:08:39,886 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:08:39,886 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:08:39,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:08:39,888 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:08:39,888 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:08:39,888 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:08:39,888 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:08:39,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:08:39,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:08:39,888 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:08:39,889 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:08:39,889 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:08:39,889 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:08:39,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:08:39,889 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:08:39,889 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:08:39,889 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:08:39,889 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:08:39,889 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_0780a172-d17c-4e8d-97ad-aa6790da1496/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 -> 493c4a8c013a7a4203725139ad68ff56674f93b6f02b61f7e89a20a5fce278ce [2024-11-24 00:08:40,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:08:40,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:08:40,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:08:40,251 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:08:40,251 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:08:40,253 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-11.i [2024-11-24 00:08:43,511 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/data/fc22fd315/16009ae6771f40749a75958a1081ad04/FLAGb3aad2eb5 [2024-11-24 00:08:43,808 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:08:43,809 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-11.i [2024-11-24 00:08:43,818 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/data/fc22fd315/16009ae6771f40749a75958a1081ad04/FLAGb3aad2eb5 [2024-11-24 00:08:43,834 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/data/fc22fd315/16009ae6771f40749a75958a1081ad04 [2024-11-24 00:08:43,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:08:43,838 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:08:43,839 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:08:43,839 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:08:43,849 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:08:43,850 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:08:43" (1/1) ... [2024-11-24 00:08:43,851 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77b5900c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:43, skipping insertion in model container [2024-11-24 00:08:43,851 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:08:43" (1/1) ... [2024-11-24 00:08:43,873 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:08:44,025 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_0780a172-d17c-4e8d-97ad-aa6790da1496/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-11.i[913,926] [2024-11-24 00:08:44,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:08:44,102 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:08:44,118 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_0780a172-d17c-4e8d-97ad-aa6790da1496/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-11.i[913,926] [2024-11-24 00:08:44,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:08:44,167 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:08:44,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:44 WrapperNode [2024-11-24 00:08:44,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:08:44,168 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:08:44,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:08:44,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:08:44,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:44" (1/1) ... [2024-11-24 00:08:44,185 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:44" (1/1) ... [2024-11-24 00:08:44,238 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2024-11-24 00:08:44,238 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:08:44,239 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:08:44,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:08:44,242 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:08:44,260 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:44" (1/1) ... [2024-11-24 00:08:44,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:44" (1/1) ... [2024-11-24 00:08:44,266 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:44" (1/1) ... [2024-11-24 00:08:44,283 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 00:08:44,283 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:44" (1/1) ... [2024-11-24 00:08:44,283 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:44" (1/1) ... [2024-11-24 00:08:44,291 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:44" (1/1) ... [2024-11-24 00:08:44,295 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:44" (1/1) ... [2024-11-24 00:08:44,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:44" (1/1) ... [2024-11-24 00:08:44,302 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:44" (1/1) ... [2024-11-24 00:08:44,303 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:44" (1/1) ... [2024-11-24 00:08:44,307 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:08:44,307 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:08:44,308 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:08:44,308 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:08:44,309 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:44" (1/1) ... [2024-11-24 00:08:44,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:08:44,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:08:44,356 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:08:44,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:08:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:08:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:08:44,388 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:08:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:08:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:08:44,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:08:44,466 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:08:44,469 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:08:44,827 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-24 00:08:44,827 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:08:44,841 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:08:44,841 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:08:44,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:08:44 BoogieIcfgContainer [2024-11-24 00:08:44,843 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:08:44,846 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:08:44,846 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:08:44,852 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:08:44,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:08:43" (1/3) ... [2024-11-24 00:08:44,853 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274cab35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:08:44, skipping insertion in model container [2024-11-24 00:08:44,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:44" (2/3) ... [2024-11-24 00:08:44,854 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274cab35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:08:44, skipping insertion in model container [2024-11-24 00:08:44,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:08:44" (3/3) ... [2024-11-24 00:08:44,855 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-11.i [2024-11-24 00:08:44,876 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:08:44,877 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-11.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:08:44,959 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:08:44,973 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@291ac1bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:08:44,973 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:08:44,978 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 36 states have internal predecessors, (48), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-24 00:08:44,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-24 00:08:44,992 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:08:44,993 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:08:44,993 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:08:44,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:08:45,000 INFO L85 PathProgramCache]: Analyzing trace with hash 269086274, now seen corresponding path program 1 times [2024-11-24 00:08:45,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:08:45,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275460595] [2024-11-24 00:08:45,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:08:45,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:08:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:08:45,329 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-24 00:08:45,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:08:45,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275460595] [2024-11-24 00:08:45,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275460595] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:08:45,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978003466] [2024-11-24 00:08:45,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:08:45,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:08:45,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:08:45,335 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:08:45,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:08:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:08:45,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:08:45,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:08:45,628 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-24 00:08:45,629 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:08:45,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978003466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:08:45,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:08:45,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 00:08:45,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901412213] [2024-11-24 00:08:45,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:08:45,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:08:45,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:08:45,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:08:45,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:08:45,670 INFO L87 Difference]: Start difference. First operand has 54 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 36 states have internal predecessors, (48), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-24 00:08:45,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:08:45,699 INFO L93 Difference]: Finished difference Result 101 states and 170 transitions. [2024-11-24 00:08:45,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:08:45,701 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 104 [2024-11-24 00:08:45,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:08:45,708 INFO L225 Difference]: With dead ends: 101 [2024-11-24 00:08:45,709 INFO L226 Difference]: Without dead ends: 50 [2024-11-24 00:08:45,712 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 105 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 00:08:45,716 INFO L435 NwaCegarLoop]: 73 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, 73 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 00:08:45,717 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:08:45,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-24 00:08:45,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-24 00:08:45,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 32 states have (on average 1.28125) internal successors, (41), 32 states have internal predecessors, (41), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-24 00:08:45,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 73 transitions. [2024-11-24 00:08:45,802 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 73 transitions. Word has length 104 [2024-11-24 00:08:45,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:08:45,802 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 73 transitions. [2024-11-24 00:08:45,803 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-24 00:08:45,803 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2024-11-24 00:08:45,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-24 00:08:45,805 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:08:45,806 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:08:45,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 00:08:46,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 00:08:46,010 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:08:46,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:08:46,011 INFO L85 PathProgramCache]: Analyzing trace with hash 800021186, now seen corresponding path program 1 times [2024-11-24 00:08:46,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:08:46,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978964883] [2024-11-24 00:08:46,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:08:46,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:08:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:08:46,567 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-24 00:08:46,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:08:46,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978964883] [2024-11-24 00:08:46,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978964883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:08:46,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:08:46,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:08:46,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165943676] [2024-11-24 00:08:46,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:08:46,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:08:46,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:08:46,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:08:46,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:08:46,573 INFO L87 Difference]: Start difference. First operand 50 states and 73 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-24 00:08:46,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:08:46,648 INFO L93 Difference]: Finished difference Result 144 states and 213 transitions. [2024-11-24 00:08:46,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:08:46,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 104 [2024-11-24 00:08:46,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:08:46,654 INFO L225 Difference]: With dead ends: 144 [2024-11-24 00:08:46,654 INFO L226 Difference]: Without dead ends: 97 [2024-11-24 00:08:46,655 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 00:08:46,656 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 36 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:08:46,656 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 129 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:08:46,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-24 00:08:46,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 95. [2024-11-24 00:08:46,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 60 states have internal predecessors, (77), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-24 00:08:46,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 141 transitions. [2024-11-24 00:08:46,685 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 141 transitions. Word has length 104 [2024-11-24 00:08:46,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:08:46,690 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 141 transitions. [2024-11-24 00:08:46,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-24 00:08:46,691 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 141 transitions. [2024-11-24 00:08:46,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-24 00:08:46,692 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:08:46,693 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:08:46,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:08:46,694 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:08:46,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:08:46,695 INFO L85 PathProgramCache]: Analyzing trace with hash 801868228, now seen corresponding path program 1 times [2024-11-24 00:08:46,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:08:46,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051305679] [2024-11-24 00:08:46,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:08:46,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:08:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:08:46,823 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:08:46,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:08:47,007 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 00:08:47,007 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 00:08:47,008 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:08:47,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:08:47,016 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-24 00:08:47,128 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:08:47,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:08:47 BoogieIcfgContainer [2024-11-24 00:08:47,132 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:08:47,133 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:08:47,133 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:08:47,133 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:08:47,134 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:08:44" (3/4) ... [2024-11-24 00:08:47,137 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 00:08:47,138 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:08:47,139 INFO L158 Benchmark]: Toolchain (without parser) took 3301.01ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 49.2MB in the end (delta: 67.9MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. [2024-11-24 00:08:47,139 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:08:47,139 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.68ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 104.1MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:08:47,140 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.66ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 101.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:08:47,140 INFO L158 Benchmark]: Boogie Preprocessor took 68.06ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 97.1MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:08:47,140 INFO L158 Benchmark]: RCFGBuilder took 536.03ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 80.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:08:47,141 INFO L158 Benchmark]: TraceAbstraction took 2286.17ms. Allocated memory is still 142.6MB. Free memory was 80.3MB in the beginning and 50.0MB in the end (delta: 30.3MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2024-11-24 00:08:47,141 INFO L158 Benchmark]: Witness Printer took 4.84ms. Allocated memory is still 142.6MB. Free memory was 50.0MB in the beginning and 49.2MB in the end (delta: 779.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:08:47,143 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.68ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 104.1MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.66ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 101.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 68.06ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 97.1MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 536.03ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 80.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2286.17ms. Allocated memory is still 142.6MB. Free memory was 80.3MB in the beginning and 50.0MB in the end (delta: 30.3MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * Witness Printer took 4.84ms. Allocated memory is still 142.6MB. Free memory was 50.0MB in the beginning and 49.2MB in the end (delta: 779.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 49, overapproximation of someBinaryFLOATComparisonOperation at line 77, overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 70, overapproximation of someBinaryDOUBLEComparisonOperation at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -16; [L23] double var_1_2 = 50.75; [L24] double var_1_3 = 7.675; [L25] signed char var_1_7 = 10; [L26] float var_1_8 = 32.5; [L27] float var_1_9 = 1000000.7; [L28] float var_1_10 = 2.4; [L29] unsigned char var_1_11 = 1; [L30] unsigned char var_1_12 = 1; [L31] unsigned char var_1_13 = 1; [L32] unsigned char var_1_14 = 5; [L33] unsigned char var_1_15 = 200; [L34] unsigned char var_1_16 = 10; [L35] unsigned char var_1_17 = 1; [L36] unsigned char last_1_var_1_11 = 1; VAL [isInitial=0, last_1_var_1_11=1, var_1_10=12/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=203/4, var_1_3=307/40, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L104] isInitial = 1 [L105] FCALL initially() [L107] CALL updateLastVariables() [L97] last_1_var_1_11 = var_1_11 VAL [isInitial=1, last_1_var_1_11=1, var_1_10=12/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=203/4, var_1_3=307/40, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L107] RET updateLastVariables() [L108] CALL updateVariables() [L69] var_1_2 = __VERIFIER_nondet_double() [L70] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=12/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_3=307/40, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=12/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_3=307/40, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L70] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=12/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_3=307/40, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L71] var_1_3 = __VERIFIER_nondet_double() [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_11=1, var_1_10=12/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=12/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [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_11=1, var_1_10=12/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L73] var_1_7 = __VERIFIER_nondet_char() [L74] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=12/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2, var_1_9=10000007/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=12/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2, var_1_9=10000007/10] [L74] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=12/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2, var_1_9=10000007/10] [L75] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=12/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2, var_1_9=10000007/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=12/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2, var_1_9=10000007/10] [L75] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=12/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2, var_1_9=10000007/10] [L76] var_1_9 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=12/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=12/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L77] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=12/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L78] var_1_10 = __VERIFIER_nondet_float() [L79] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L79] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L80] var_1_12 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L81] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L82] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L82] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L83] var_1_13 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L84] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L85] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L85] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L86] var_1_15 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L87] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L88] CALL assume_abort_if_not(var_1_15 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=6, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=6, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L88] RET assume_abort_if_not(var_1_15 <= 254) VAL [isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=6, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L89] var_1_16 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=6, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=6, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L90] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=6, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L91] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=6, var_1_16=-250, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=6, var_1_16=-250, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L91] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=6, var_1_16=-250, var_1_17=1, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L92] var_1_17 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=6, var_1_16=-250, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=6, var_1_16=-250, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L93] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=6, var_1_16=-250, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L94] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=6, var_1_16=-250, var_1_17=254, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=6, var_1_16=-250, var_1_17=254, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L94] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=6, var_1_16=-250, var_1_17=254, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L108] RET updateVariables() [L109] CALL step() [L40] COND FALSE !(var_1_3 >= var_1_2) VAL [isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=6, var_1_16=-250, var_1_17=254, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L49] COND FALSE !(var_1_8 <= var_1_8) VAL [isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=6, var_1_16=-250, var_1_17=254, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L52] unsigned char stepLocal_0 = var_1_11; VAL [isInitial=1, last_1_var_1_11=1, stepLocal_0=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=6, var_1_16=-250, var_1_17=254, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L53] COND FALSE !((var_1_2 - 5.25) < (var_1_8 * (var_1_8 * 199.4))) VAL [isInitial=1, last_1_var_1_11=1, stepLocal_0=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=6, var_1_16=-250, var_1_17=254, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L62] COND FALSE !(! var_1_11) [L65] var_1_14 = var_1_16 VAL [isInitial=1, last_1_var_1_11=1, stepLocal_0=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=-250, var_1_15=6, var_1_16=-250, var_1_17=254, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return (((((var_1_2 - 5.25) < (var_1_8 * (var_1_8 * 199.4))) ? ((var_1_11 && var_1_11) ? ((var_1_8 < var_1_8) ? (var_1_1 == ((signed char) var_1_7)) : (var_1_1 == ((signed char) var_1_7))) : 1) : 1) && ((var_1_3 >= var_1_2) ? (last_1_var_1_11 ? ((! last_1_var_1_11) ? (var_1_8 == ((float) ((((var_1_9) > ((10.25f + var_1_10))) ? (var_1_9) : ((10.25f + var_1_10)))))) : (var_1_8 == ((float) var_1_9))) : 1) : 1)) && ((var_1_8 <= var_1_8) ? (var_1_11 == ((unsigned char) (var_1_12 || var_1_13))) : 1)) && ((! var_1_11) ? (var_1_14 == ((unsigned char) ((((((((var_1_15) < (((((var_1_16) > (5)) ? (var_1_16) : (5))))) ? (var_1_15) : (((((var_1_16) > (5)) ? (var_1_16) : (5))))))) < (var_1_17)) ? (((((var_1_15) < (((((var_1_16) > (5)) ? (var_1_16) : (5))))) ? (var_1_15) : (((((var_1_16) > (5)) ? (var_1_16) : (5))))))) : (var_1_17))))) : (var_1_14 == ((unsigned char) var_1_16))) ; VAL [\result=0, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=-250, var_1_15=6, var_1_16=-250, var_1_17=254, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=-250, var_1_15=6, var_1_16=-250, var_1_17=254, var_1_1=-16, var_1_7=126, var_1_8=65/2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=-250, var_1_15=6, var_1_16=-250, var_1_17=254, var_1_1=-16, var_1_7=126, var_1_8=65/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 3, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 202 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 62 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 140 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 109 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=2, InterpolantAutomatonStates: 5, 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, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 416 NumberOfCodeBlocks, 416 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 309 ConstructedInterpolants, 0 QuantifiedInterpolants, 379 SizeOfPredicates, 0 NumberOfNonLiveVariables, 236 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1410/1440 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 00:08:47,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/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_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/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_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/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_0780a172-d17c-4e8d-97ad-aa6790da1496/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 493c4a8c013a7a4203725139ad68ff56674f93b6f02b61f7e89a20a5fce278ce --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:08:50,056 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:08:50,210 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 00:08:50,234 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:08:50,234 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:08:50,266 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:08:50,267 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:08:50,267 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:08:50,267 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:08:50,268 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:08:50,268 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:08:50,268 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:08:50,268 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:08:50,268 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:08:50,268 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:08:50,269 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:08:50,269 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:08:50,269 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:08:50,269 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:08:50,269 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:08:50,269 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:08:50,269 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:08:50,269 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:08:50,269 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 00:08:50,269 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 00:08:50,270 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 00:08:50,270 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:08:50,270 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:08:50,270 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:08:50,270 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:08:50,270 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:08:50,270 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:08:50,270 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:08:50,270 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:08:50,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:08:50,270 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:08:50,271 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:08:50,271 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:08:50,271 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:08:50,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:08:50,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:08:50,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:08:50,271 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:08:50,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:08:50,271 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 00:08:50,271 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 00:08:50,271 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:08:50,271 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:08:50,272 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:08:50,272 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:08:50,272 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_0780a172-d17c-4e8d-97ad-aa6790da1496/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 -> 493c4a8c013a7a4203725139ad68ff56674f93b6f02b61f7e89a20a5fce278ce [2024-11-24 00:08:50,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:08:50,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:08:50,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:08:50,646 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:08:50,647 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:08:50,648 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-11.i [2024-11-24 00:08:54,073 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/data/ed1f22d9e/7ea80ac5ef6b4fbeb6946be627ac76bb/FLAG7b15ef64d [2024-11-24 00:08:54,441 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:08:54,446 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-11.i [2024-11-24 00:08:54,460 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/data/ed1f22d9e/7ea80ac5ef6b4fbeb6946be627ac76bb/FLAG7b15ef64d [2024-11-24 00:08:54,653 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/data/ed1f22d9e/7ea80ac5ef6b4fbeb6946be627ac76bb [2024-11-24 00:08:54,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:08:54,658 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:08:54,662 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:08:54,663 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:08:54,669 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:08:54,670 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:08:54" (1/1) ... [2024-11-24 00:08:54,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@627b3e18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:54, skipping insertion in model container [2024-11-24 00:08:54,671 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:08:54" (1/1) ... [2024-11-24 00:08:54,699 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:08:54,870 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_0780a172-d17c-4e8d-97ad-aa6790da1496/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-11.i[913,926] [2024-11-24 00:08:54,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:08:54,939 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:08:54,953 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_0780a172-d17c-4e8d-97ad-aa6790da1496/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-11.i[913,926] [2024-11-24 00:08:54,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:08:55,004 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:08:55,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:55 WrapperNode [2024-11-24 00:08:55,005 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:08:55,006 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:08:55,006 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:08:55,006 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:08:55,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:55" (1/1) ... [2024-11-24 00:08:55,023 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:55" (1/1) ... [2024-11-24 00:08:55,053 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2024-11-24 00:08:55,054 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:08:55,054 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:08:55,054 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:08:55,054 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:08:55,062 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:55" (1/1) ... [2024-11-24 00:08:55,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:55" (1/1) ... [2024-11-24 00:08:55,066 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:55" (1/1) ... [2024-11-24 00:08:55,079 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 00:08:55,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:55" (1/1) ... [2024-11-24 00:08:55,079 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:55" (1/1) ... [2024-11-24 00:08:55,088 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:55" (1/1) ... [2024-11-24 00:08:55,089 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:55" (1/1) ... [2024-11-24 00:08:55,097 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:55" (1/1) ... [2024-11-24 00:08:55,102 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:55" (1/1) ... [2024-11-24 00:08:55,103 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:55" (1/1) ... [2024-11-24 00:08:55,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:08:55,111 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:08:55,111 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:08:55,111 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:08:55,112 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:55" (1/1) ... [2024-11-24 00:08:55,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:08:55,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:08:55,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:08:55,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:08:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:08:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 00:08:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:08:55,192 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:08:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:08:55,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:08:55,283 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:08:55,286 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:09:07,895 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-24 00:09:07,896 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:09:07,908 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:09:07,908 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:09:07,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:09:07 BoogieIcfgContainer [2024-11-24 00:09:07,909 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:09:07,912 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:09:07,912 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:09:07,918 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:09:07,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:08:54" (1/3) ... [2024-11-24 00:09:07,920 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f8a9e1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:09:07, skipping insertion in model container [2024-11-24 00:09:07,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:55" (2/3) ... [2024-11-24 00:09:07,920 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f8a9e1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:09:07, skipping insertion in model container [2024-11-24 00:09:07,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:09:07" (3/3) ... [2024-11-24 00:09:07,921 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-11.i [2024-11-24 00:09:07,938 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:09:07,940 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-11.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:09:07,999 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:09:08,011 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;@d1866bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:09:08,011 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:09:08,015 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 36 states have internal predecessors, (48), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-24 00:09:08,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-24 00:09:08,024 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:09:08,025 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:09:08,025 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:09:08,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:09:08,030 INFO L85 PathProgramCache]: Analyzing trace with hash 269086274, now seen corresponding path program 1 times [2024-11-24 00:09:08,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:09:08,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [318904124] [2024-11-24 00:09:08,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:09:08,041 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 00:09:08,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:09:08,045 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/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 00:09:08,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/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 00:09:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:09:08,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:09:08,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:09:08,755 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-11-24 00:09:08,756 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:09:08,756 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:09:08,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [318904124] [2024-11-24 00:09:08,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [318904124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:09:08,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:09:08,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:09:08,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549352076] [2024-11-24 00:09:08,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:09:08,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:09:08,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:09:08,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:09:08,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:09:08,791 INFO L87 Difference]: Start difference. First operand has 54 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 36 states have internal predecessors, (48), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-24 00:09:08,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:09:08,830 INFO L93 Difference]: Finished difference Result 101 states and 170 transitions. [2024-11-24 00:09:08,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:09:08,833 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 104 [2024-11-24 00:09:08,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:09:08,841 INFO L225 Difference]: With dead ends: 101 [2024-11-24 00:09:08,841 INFO L226 Difference]: Without dead ends: 50 [2024-11-24 00:09:08,846 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 103 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 00:09:08,851 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:09:08,854 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:09:08,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-24 00:09:08,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-24 00:09:08,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-24 00:09:08,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 72 transitions. [2024-11-24 00:09:08,910 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 72 transitions. Word has length 104 [2024-11-24 00:09:08,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:09:08,911 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 72 transitions. [2024-11-24 00:09:08,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-24 00:09:08,912 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2024-11-24 00:09:08,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-24 00:09:08,916 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:09:08,917 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:09:08,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/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 00:09:09,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/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 00:09:09,118 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:09:09,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:09:09,119 INFO L85 PathProgramCache]: Analyzing trace with hash 800021186, now seen corresponding path program 1 times [2024-11-24 00:09:09,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:09:09,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2029487436] [2024-11-24 00:09:09,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:09:09,121 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 00:09:09,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:09:09,123 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/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 00:09:09,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/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 00:09:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:09:09,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:09:09,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:09:11,682 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-24 00:09:11,682 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:09:11,682 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:09:11,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2029487436] [2024-11-24 00:09:11,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2029487436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:09:11,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:09:11,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:09:11,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589793242] [2024-11-24 00:09:11,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:09:11,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:09:11,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:09:11,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:09:11,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:09:11,690 INFO L87 Difference]: Start difference. First operand 50 states and 72 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-24 00:09:16,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:09:20,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:09:24,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.84s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:09:28,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:09:32,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:09:36,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:09:36,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:09:36,836 INFO L93 Difference]: Finished difference Result 144 states and 210 transitions. [2024-11-24 00:09:36,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:09:36,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 104 [2024-11-24 00:09:36,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:09:36,839 INFO L225 Difference]: With dead ends: 144 [2024-11-24 00:09:36,840 INFO L226 Difference]: Without dead ends: 97 [2024-11-24 00:09:36,840 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 102 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 00:09:36,841 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 18 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:09:36,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 130 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 5 Unknown, 0 Unchecked, 25.1s Time] [2024-11-24 00:09:36,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-24 00:09:36,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 94. [2024-11-24 00:09:36,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 59 states have (on average 1.2372881355932204) internal successors, (73), 59 states have internal predecessors, (73), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-24 00:09:36,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 137 transitions. [2024-11-24 00:09:36,880 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 137 transitions. Word has length 104 [2024-11-24 00:09:36,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:09:36,881 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 137 transitions. [2024-11-24 00:09:36,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-24 00:09:36,881 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 137 transitions. [2024-11-24 00:09:36,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-24 00:09:36,883 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:09:36,883 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:09:36,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-24 00:09:37,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/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 00:09:37,084 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:09:37,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:09:37,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1609367812, now seen corresponding path program 1 times [2024-11-24 00:09:37,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:09:37,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2046143356] [2024-11-24 00:09:37,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:09:37,086 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 00:09:37,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:09:37,089 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/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 00:09:37,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/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 00:09:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:09:37,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 00:09:37,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:09:38,685 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 255 proven. 21 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-24 00:09:38,686 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:09:39,863 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 24 proven. 21 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-24 00:09:39,866 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:09:39,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2046143356] [2024-11-24 00:09:39,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2046143356] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:09:39,866 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:09:39,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-11-24 00:09:39,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614290833] [2024-11-24 00:09:39,867 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:09:39,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 00:09:39,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:09:39,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 00:09:39,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:09:39,869 INFO L87 Difference]: Start difference. First operand 94 states and 137 transitions. Second operand has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-24 00:09:45,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:09:49,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:09:53,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:09:53,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:09:53,258 INFO L93 Difference]: Finished difference Result 197 states and 281 transitions. [2024-11-24 00:09:53,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 00:09:53,309 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 104 [2024-11-24 00:09:53,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:09:53,311 INFO L225 Difference]: With dead ends: 197 [2024-11-24 00:09:53,311 INFO L226 Difference]: Without dead ends: 106 [2024-11-24 00:09:53,312 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 199 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=76, Invalid=134, Unknown=0, NotChecked=0, Total=210 [2024-11-24 00:09:53,313 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 165 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 119 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:09:53,314 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 106 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 103 Invalid, 3 Unknown, 0 Unchecked, 13.0s Time] [2024-11-24 00:09:53,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-24 00:09:53,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 102. [2024-11-24 00:09:53,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 65 states have (on average 1.1846153846153846) internal successors, (77), 65 states have internal predecessors, (77), 32 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-24 00:09:53,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 141 transitions. [2024-11-24 00:09:53,354 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 141 transitions. Word has length 104 [2024-11-24 00:09:53,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:09:53,355 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 141 transitions. [2024-11-24 00:09:53,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-24 00:09:53,356 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 141 transitions. [2024-11-24 00:09:53,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-24 00:09:53,358 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:09:53,358 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:09:53,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-24 00:09:53,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/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 00:09:53,559 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:09:53,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:09:53,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1611214854, now seen corresponding path program 1 times [2024-11-24 00:09:53,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:09:53,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [154427602] [2024-11-24 00:09:53,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:09:53,560 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 00:09:53,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:09:53,565 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/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 00:09:53,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0780a172-d17c-4e8d-97ad-aa6790da1496/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 (5)] Waiting until timeout for monitored process [2024-11-24 00:09:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:09:54,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 00:09:54,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:10:03,692 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:10:11,876 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:10:19,978 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:10:28,166 WARN L286 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:10:32,223 WARN L851 $PredicateComparison]: unable to prove that (and (= (_ bv1 8) c_~var_1_11~0) (not (fp.geq c_~var_1_3~0 c_~var_1_2~0)) (bvsge ((_ zero_extend 24) c_~var_1_13~0) (_ bv1 32)) (not (fp.lt (fp.sub c_currentRoundingMode c_~var_1_2~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_8~0))) (fp.mul c_currentRoundingMode .cse0 (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0)))))))) is different from false [2024-11-24 00:10:36,273 WARN L873 $PredicateComparison]: unable to prove that (and (= (_ bv1 8) c_~var_1_11~0) (not (fp.geq c_~var_1_3~0 c_~var_1_2~0)) (bvsge ((_ zero_extend 24) c_~var_1_13~0) (_ bv1 32)) (not (fp.lt (fp.sub c_currentRoundingMode c_~var_1_2~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_8~0))) (fp.mul c_currentRoundingMode .cse0 (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0)))))))) is different from true [2024-11-24 00:10:44,513 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:10:52,691 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:11:00,796 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:11:08,981 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:11:17,168 WARN L286 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:11:21,220 WARN L851 $PredicateComparison]: unable to prove that (and (= (_ bv1 8) c_~var_1_11~0) (not (fp.geq c_~var_1_3~0 c_~var_1_2~0)) (bvsge ((_ zero_extend 24) c_~var_1_13~0) (_ bv1 32)) (not (fp.lt (fp.sub c_currentRoundingMode c_~var_1_2~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_8~0))) (fp.mul c_currentRoundingMode .cse0 (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0))))))) (= c_~var_1_16~0 c_~var_1_14~0)) is different from false [2024-11-24 00:11:25,268 WARN L873 $PredicateComparison]: unable to prove that (and (= (_ bv1 8) c_~var_1_11~0) (not (fp.geq c_~var_1_3~0 c_~var_1_2~0)) (bvsge ((_ zero_extend 24) c_~var_1_13~0) (_ bv1 32)) (not (fp.lt (fp.sub c_currentRoundingMode c_~var_1_2~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_8~0))) (fp.mul c_currentRoundingMode .cse0 (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0))))))) (= c_~var_1_16~0 c_~var_1_14~0)) is different from true