./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-93.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_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/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_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-93.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/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_24995578-7087-4026-a27a-32750de334ad/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 b4804657cb22640a3af09bfa7720053cc027643d3a01c862cc2148d596a7b562 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:49:54,049 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:49:54,131 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:49:54,139 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:49:54,143 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:49:54,181 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:49:54,182 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:49:54,182 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:49:54,183 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:49:54,183 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:49:54,184 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:49:54,184 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:49:54,184 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:49:54,184 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:49:54,184 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:49:54,185 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:49:54,185 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:49:54,185 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:49:54,185 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:49:54,185 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:49:54,185 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:49:54,185 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:49:54,185 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:49:54,185 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:49:54,185 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:49:54,185 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:49:54,186 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:49:54,186 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:49:54,186 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:49:54,186 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:49:54,186 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:49:54,186 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:49:54,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:49:54,186 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:49:54,186 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:49:54,186 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:49:54,186 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:49:54,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:49:54,187 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:49:54,187 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:49:54,187 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:49:54,187 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:49:54,187 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:49:54,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:49:54,187 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:49:54,187 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:49:54,187 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:49:54,187 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:49:54,187 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_24995578-7087-4026-a27a-32750de334ad/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 -> b4804657cb22640a3af09bfa7720053cc027643d3a01c862cc2148d596a7b562 [2024-11-24 01:49:54,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:49:54,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:49:54,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:49:54,514 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:49:54,514 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:49:54,515 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-93.i [2024-11-24 01:49:57,383 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/data/bd09e63ad/0ae89f3dbd75428188c2b8cddf1a98d2/FLAGe75759214 [2024-11-24 01:49:57,723 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:49:57,726 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-93.i [2024-11-24 01:49:57,741 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/data/bd09e63ad/0ae89f3dbd75428188c2b8cddf1a98d2/FLAGe75759214 [2024-11-24 01:49:57,760 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/data/bd09e63ad/0ae89f3dbd75428188c2b8cddf1a98d2 [2024-11-24 01:49:57,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:49:57,764 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:49:57,766 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:49:57,766 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:49:57,772 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:49:57,773 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:49:57" (1/1) ... [2024-11-24 01:49:57,774 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24aaf659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:49:57, skipping insertion in model container [2024-11-24 01:49:57,774 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:49:57" (1/1) ... [2024-11-24 01:49:57,797 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:49:57,974 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_24995578-7087-4026-a27a-32750de334ad/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-93.i[919,932] [2024-11-24 01:49:58,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:49:58,067 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:49:58,080 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_24995578-7087-4026-a27a-32750de334ad/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-93.i[919,932] [2024-11-24 01:49:58,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:49:58,149 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:49:58,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:49:58 WrapperNode [2024-11-24 01:49:58,151 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:49:58,152 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:49:58,153 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:49:58,153 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:49:58,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:49:58" (1/1) ... [2024-11-24 01:49:58,173 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:49:58" (1/1) ... [2024-11-24 01:49:58,217 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 156 [2024-11-24 01:49:58,218 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:49:58,218 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:49:58,218 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:49:58,222 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:49:58,233 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:49:58" (1/1) ... [2024-11-24 01:49:58,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:49:58" (1/1) ... [2024-11-24 01:49:58,235 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:49:58" (1/1) ... [2024-11-24 01:49:58,249 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 01:49:58,249 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:49:58" (1/1) ... [2024-11-24 01:49:58,249 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:49:58" (1/1) ... [2024-11-24 01:49:58,255 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:49:58" (1/1) ... [2024-11-24 01:49:58,256 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:49:58" (1/1) ... [2024-11-24 01:49:58,259 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:49:58" (1/1) ... [2024-11-24 01:49:58,263 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:49:58" (1/1) ... [2024-11-24 01:49:58,264 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:49:58" (1/1) ... [2024-11-24 01:49:58,270 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:49:58,271 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:49:58,271 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:49:58,271 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:49:58,276 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:49:58" (1/1) ... [2024-11-24 01:49:58,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:49:58,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:49:58,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:49:58,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:49:58,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:49:58,340 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:49:58,340 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:49:58,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:49:58,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:49:58,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:49:58,435 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:49:58,437 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:49:58,829 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-24 01:49:58,829 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:49:58,843 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:49:58,845 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:49:58,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:49:58 BoogieIcfgContainer [2024-11-24 01:49:58,847 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:49:58,849 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:49:58,849 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:49:58,856 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:49:58,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:49:57" (1/3) ... [2024-11-24 01:49:58,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b78be1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:49:58, skipping insertion in model container [2024-11-24 01:49:58,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:49:58" (2/3) ... [2024-11-24 01:49:58,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b78be1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:49:58, skipping insertion in model container [2024-11-24 01:49:58,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:49:58" (3/3) ... [2024-11-24 01:49:58,863 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-93.i [2024-11-24 01:49:58,881 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:49:58,882 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_dependencies_file-93.i that has 2 procedures, 71 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:49:58,972 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:49:58,986 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;@5b7cd709, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:49:58,986 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:49:58,990 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 42 states have (on average 1.380952380952381) internal successors, (58), 43 states have internal predecessors, (58), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-24 01:49:59,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-24 01:49:59,009 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:49:59,010 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:49:59,010 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:49:59,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:49:59,018 INFO L85 PathProgramCache]: Analyzing trace with hash 635234638, now seen corresponding path program 1 times [2024-11-24 01:49:59,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:49:59,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538969823] [2024-11-24 01:49:59,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:49:59,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:49:59,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:49:59,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2024-11-24 01:49:59,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:49:59,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538969823] [2024-11-24 01:49:59,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538969823] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:49:59,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341665988] [2024-11-24 01:49:59,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:49:59,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:49:59,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:49:59,485 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:49:59,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:49:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:49:59,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:49:59,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:49:59,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2024-11-24 01:49:59,829 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:49:59,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341665988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:49:59,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:49:59,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 01:49:59,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145089615] [2024-11-24 01:49:59,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:49:59,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:49:59,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:49:59,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:49:59,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:49:59,866 INFO L87 Difference]: Start difference. First operand has 71 states, 42 states have (on average 1.380952380952381) internal successors, (58), 43 states have internal predecessors, (58), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-24 01:49:59,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:49:59,894 INFO L93 Difference]: Finished difference Result 135 states and 240 transitions. [2024-11-24 01:49:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:49:59,896 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 161 [2024-11-24 01:49:59,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:49:59,903 INFO L225 Difference]: With dead ends: 135 [2024-11-24 01:49:59,904 INFO L226 Difference]: Without dead ends: 67 [2024-11-24 01:49:59,907 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:49:59,910 INFO L435 NwaCegarLoop]: 103 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, 103 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:49:59,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:49:59,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-24 01:49:59,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-24 01:49:59,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 39 states have internal predecessors, (51), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-24 01:49:59,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 103 transitions. [2024-11-24 01:49:59,957 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 103 transitions. Word has length 161 [2024-11-24 01:49:59,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:49:59,958 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 103 transitions. [2024-11-24 01:49:59,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-24 01:49:59,958 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 103 transitions. [2024-11-24 01:49:59,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-24 01:49:59,962 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:49:59,962 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:49:59,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-24 01:50:00,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:50:00,164 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:50:00,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:50:00,165 INFO L85 PathProgramCache]: Analyzing trace with hash 980390534, now seen corresponding path program 1 times [2024-11-24 01:50:00,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:50:00,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194957205] [2024-11-24 01:50:00,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:50:00,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:50:00,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:50:00,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-24 01:50:00,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:50:00,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194957205] [2024-11-24 01:50:00,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194957205] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:50:00,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:50:00,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:50:00,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743797951] [2024-11-24 01:50:00,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:50:00,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:50:00,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:50:00,483 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:50:00,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:50:00,484 INFO L87 Difference]: Start difference. First operand 67 states and 103 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-24 01:50:00,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:50:00,568 INFO L93 Difference]: Finished difference Result 160 states and 244 transitions. [2024-11-24 01:50:00,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:50:00,569 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 161 [2024-11-24 01:50:00,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:50:00,574 INFO L225 Difference]: With dead ends: 160 [2024-11-24 01:50:00,574 INFO L226 Difference]: Without dead ends: 96 [2024-11-24 01:50:00,575 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:50:00,576 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 36 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:50:00,576 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 184 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:50:00,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-24 01:50:00,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 93. [2024-11-24 01:50:00,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 60 states have (on average 1.3166666666666667) internal successors, (79), 61 states have internal predecessors, (79), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-24 01:50:00,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 139 transitions. [2024-11-24 01:50:00,605 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 139 transitions. Word has length 161 [2024-11-24 01:50:00,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:50:00,606 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 139 transitions. [2024-11-24 01:50:00,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-24 01:50:00,607 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 139 transitions. [2024-11-24 01:50:00,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-24 01:50:00,612 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:50:00,613 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:50:00,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:50:00,613 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:50:00,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:50:00,614 INFO L85 PathProgramCache]: Analyzing trace with hash -702336306, now seen corresponding path program 1 times [2024-11-24 01:50:00,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:50:00,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517352561] [2024-11-24 01:50:00,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:50:00,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:50:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:50:00,873 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:50:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:50:01,087 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 01:50:01,087 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:50:01,090 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:50:01,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:50:01,099 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-24 01:50:01,261 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:50:01,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:50:01 BoogieIcfgContainer [2024-11-24 01:50:01,267 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:50:01,268 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:50:01,268 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:50:01,268 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:50:01,270 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:49:58" (3/4) ... [2024-11-24 01:50:01,273 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 01:50:01,275 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:50:01,275 INFO L158 Benchmark]: Toolchain (without parser) took 3511.31ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 117.7MB in the beginning and 348.2MB in the end (delta: -230.6MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-11-24 01:50:01,276 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:50:01,276 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.77ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 104.0MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:50:01,276 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.39ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 101.7MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:50:01,277 INFO L158 Benchmark]: Boogie Preprocessor took 51.69ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 99.2MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:50:01,277 INFO L158 Benchmark]: RCFGBuilder took 576.28ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 80.9MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:50:01,277 INFO L158 Benchmark]: TraceAbstraction took 2418.27ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 80.2MB in the beginning and 348.3MB in the end (delta: -268.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:50:01,277 INFO L158 Benchmark]: Witness Printer took 6.62ms. Allocated memory is still 402.7MB. Free memory was 348.3MB in the beginning and 348.2MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:50:01,281 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 385.77ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 104.0MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.39ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 101.7MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.69ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 99.2MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 576.28ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 80.9MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2418.27ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 80.2MB in the beginning and 348.3MB in the end (delta: -268.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.62ms. Allocated memory is still 402.7MB. Free memory was 348.3MB in the beginning and 348.2MB in the end (delta: 27.0kB). 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 48, overapproximation of someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someBinaryFLOATComparisonOperation at line 103, overapproximation of someBinaryFLOATComparisonOperation at line 95, overapproximation of someBinaryFLOATComparisonOperation at line 135, overapproximation of someBinaryFLOATComparisonOperation at line 68, overapproximation of someBinaryFLOATComparisonOperation at line 102, overapproximation of someBinaryFLOATComparisonOperation at line 67, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someUnaryDOUBLEoperation at line 31. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 0.5; [L23] float var_1_5 = 0.0; [L24] float var_1_6 = 4.2; [L25] float var_1_7 = 31.25; [L26] float var_1_8 = 1.375; [L27] unsigned short int var_1_9 = 32; [L28] unsigned char var_1_10 = 1; [L29] float var_1_11 = 0.625; [L30] unsigned short int var_1_12 = 1; [L31] float var_1_13 = -0.25; [L32] signed short int var_1_14 = 4; [L33] unsigned char var_1_15 = 1; [L34] unsigned char var_1_16 = 0; [L35] signed short int var_1_17 = 8; [L36] signed short int var_1_18 = 5; [L37] signed short int var_1_19 = 128; [L38] signed long int var_1_20 = -50; [L39] signed short int var_1_21 = -16; [L40] signed short int var_1_22 = 16; [L41] signed short int var_1_23 = 32; [L42] signed short int var_1_24 = 2; [L43] signed short int var_1_25 = -4; VAL [isInitial=0, var_1_10=1, var_1_11=5/8, var_1_12=1, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_5=0, var_1_6=21/5, var_1_7=125/4, var_1_8=11/8, var_1_9=32] [L139] isInitial = 1 [L140] FCALL initially() [L142] FCALL updateLastVariables() [L143] CALL updateVariables() [L90] var_1_5 = __VERIFIER_nondet_float() [L91] CALL assume_abort_if_not((var_1_5 >= 4611686.018427382800e+12F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=5/8, var_1_12=1, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_6=21/5, var_1_7=125/4, var_1_8=11/8, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=5/8, var_1_12=1, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_6=21/5, var_1_7=125/4, var_1_8=11/8, var_1_9=32] [L91] RET assume_abort_if_not((var_1_5 >= 4611686.018427382800e+12F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=5/8, var_1_12=1, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_6=21/5, var_1_7=125/4, var_1_8=11/8, var_1_9=32] [L92] var_1_6 = __VERIFIER_nondet_float() [L93] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=5/8, var_1_12=1, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_7=125/4, var_1_8=11/8, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=5/8, var_1_12=1, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_7=125/4, var_1_8=11/8, var_1_9=32] [L93] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=5/8, var_1_12=1, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_7=125/4, var_1_8=11/8, var_1_9=32] [L94] var_1_7 = __VERIFIER_nondet_float() [L95] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=5/8, var_1_12=1, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_8=11/8, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=5/8, var_1_12=1, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_8=11/8, var_1_9=32] [L95] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=5/8, var_1_12=1, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_8=11/8, var_1_9=32] [L96] var_1_8 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=5/8, var_1_12=1, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=5/8, var_1_12=1, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L97] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=5/8, var_1_12=1, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L98] var_1_10 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=5/8, var_1_12=1, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=5/8, var_1_12=1, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L99] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=5/8, var_1_12=1, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L100] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=5/8, var_1_12=1, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=5/8, var_1_12=1, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L100] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=5/8, var_1_12=1, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L101] var_1_11 = __VERIFIER_nondet_float() [L102] CALL assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=1, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=1, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L102] RET assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_12=1, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L103] CALL assume_abort_if_not(var_1_11 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=1, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=1, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L103] RET assume_abort_if_not(var_1_11 != 0.0F) VAL [isInitial=1, var_1_10=1, var_1_12=1, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L104] var_1_12 = __VERIFIER_nondet_ushort() [L105] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L105] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=1, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L106] CALL assume_abort_if_not(var_1_12 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L106] RET assume_abort_if_not(var_1_12 <= 65534) VAL [isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L107] var_1_15 = __VERIFIER_nondet_uchar() [L108] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L108] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L109] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L109] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=0, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L110] var_1_16 = __VERIFIER_nondet_uchar() [L111] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L111] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L112] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L112] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=8, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L113] var_1_17 = __VERIFIER_nondet_short() [L114] CALL assume_abort_if_not(var_1_17 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L114] RET assume_abort_if_not(var_1_17 >= -32767) VAL [isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L115] CALL assume_abort_if_not(var_1_17 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L115] RET assume_abort_if_not(var_1_17 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=5, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L116] var_1_18 = __VERIFIER_nondet_short() [L117] CALL assume_abort_if_not(var_1_18 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L117] RET assume_abort_if_not(var_1_18 >= -1) VAL [isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L118] CALL assume_abort_if_not(var_1_18 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L118] RET assume_abort_if_not(var_1_18 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=128, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L119] var_1_19 = __VERIFIER_nondet_short() [L120] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L120] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L121] CALL assume_abort_if_not(var_1_19 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L121] RET assume_abort_if_not(var_1_19 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=16, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L122] var_1_22 = __VERIFIER_nondet_short() [L123] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=0, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=0, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L123] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=0, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L124] CALL assume_abort_if_not(var_1_22 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=0, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=0, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L124] RET assume_abort_if_not(var_1_22 <= 16383) VAL [isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=0, var_1_23=32, var_1_24=2, var_1_25=-4, var_1_9=32] [L125] var_1_24 = __VERIFIER_nondet_short() [L126] CALL assume_abort_if_not(var_1_24 >= -8192) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=0, var_1_23=32, var_1_24=-8190, var_1_25=-4, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=0, var_1_23=32, var_1_24=-8190, var_1_25=-4, var_1_9=32] [L126] RET assume_abort_if_not(var_1_24 >= -8192) VAL [isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=0, var_1_23=32, var_1_24=-8190, var_1_25=-4, var_1_9=32] [L127] CALL assume_abort_if_not(var_1_24 <= 8192) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=0, var_1_23=32, var_1_24=-8190, var_1_25=-4, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=0, var_1_23=32, var_1_24=-8190, var_1_25=-4, var_1_9=32] [L127] RET assume_abort_if_not(var_1_24 <= 8192) VAL [isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=0, var_1_23=32, var_1_24=-8190, var_1_25=-4, var_1_9=32] [L128] var_1_25 = __VERIFIER_nondet_short() [L129] CALL assume_abort_if_not(var_1_25 >= -8191) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=0, var_1_23=32, var_1_24=-8190, var_1_25=-8191, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=0, var_1_23=32, var_1_24=-8190, var_1_25=-8191, var_1_9=32] [L129] RET assume_abort_if_not(var_1_25 >= -8191) VAL [isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=0, var_1_23=32, var_1_24=-8190, var_1_25=-8191, var_1_9=32] [L130] CALL assume_abort_if_not(var_1_25 <= 8191) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=0, var_1_23=32, var_1_24=-8190, var_1_25=-8191, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=0, var_1_23=32, var_1_24=-8190, var_1_25=-8191, var_1_9=32] [L130] RET assume_abort_if_not(var_1_25 <= 8191) VAL [isInitial=1, var_1_10=1, var_1_12=65534, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=0, var_1_23=32, var_1_24=-8190, var_1_25=-8191, var_1_9=32] [L143] RET updateVariables() [L144] CALL step() [L47] COND TRUE \read(var_1_10) [L48] var_1_13 = ((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) VAL [isInitial=1, var_1_10=1, var_1_12=65534, var_1_13=65539, var_1_14=4, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=0, var_1_23=32, var_1_24=-8190, var_1_25=-8191, var_1_5=65539, var_1_7=65539, var_1_9=32] [L52] COND TRUE (! (var_1_10 || var_1_15)) || var_1_16 [L53] var_1_14 = ((((var_1_17) > ((var_1_18 - var_1_19))) ? (var_1_17) : ((var_1_18 - var_1_19)))) VAL [isInitial=1, var_1_10=1, var_1_12=65534, var_1_13=65539, var_1_14=-2, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=1/2, var_1_20=-50, var_1_21=-16, var_1_22=0, var_1_23=32, var_1_24=-8190, var_1_25=-8191, var_1_5=65539, var_1_7=65539, var_1_9=32] [L55] COND TRUE \read(var_1_15) [L56] var_1_21 = ((var_1_22 + 25) - var_1_19) VAL [isInitial=1, var_1_10=1, var_1_12=65534, var_1_13=65539, var_1_14=-2, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=1/2, var_1_20=-50, var_1_21=-44, var_1_22=0, var_1_23=32, var_1_24=-8190, var_1_25=-8191, var_1_5=65539, var_1_7=65539, var_1_9=32] [L58] COND TRUE \read(var_1_10) [L59] var_1_23 = (var_1_22 + (((((var_1_24) < 0 ) ? -(var_1_24) : (var_1_24))) + var_1_25)) VAL [isInitial=1, var_1_10=1, var_1_12=65534, var_1_13=65539, var_1_14=-2, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=1/2, var_1_20=-50, var_1_21=-44, var_1_22=0, var_1_23=-1, var_1_24=-8190, var_1_25=-8191, var_1_5=65539, var_1_7=65539, var_1_9=32] [L67] COND TRUE var_1_10 || (var_1_13 < (var_1_8 / var_1_11)) VAL [isInitial=1, var_1_10=1, var_1_12=65534, var_1_13=65539, var_1_14=-2, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=1/2, var_1_20=-50, var_1_21=-44, var_1_22=0, var_1_23=-1, var_1_24=-8190, var_1_25=-8191, var_1_5=65539, var_1_7=65539, var_1_9=32] [L68] COND TRUE var_1_10 || (var_1_13 != var_1_11) [L69] var_1_9 = 8 VAL [isInitial=1, var_1_10=1, var_1_12=65534, var_1_13=65539, var_1_14=-2, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=1/2, var_1_20=-50, var_1_21=-44, var_1_22=0, var_1_23=-1, var_1_24=-8190, var_1_25=-8191, var_1_5=65539, var_1_7=65539, var_1_9=8] [L74] COND TRUE \read(var_1_16) [L75] var_1_20 = (var_1_9 - 50) VAL [isInitial=1, var_1_10=1, var_1_12=65534, var_1_13=65539, var_1_14=-2, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=1/2, var_1_20=-42, var_1_21=-44, var_1_22=0, var_1_23=-1, var_1_24=-8190, var_1_25=-8191, var_1_5=65539, var_1_7=65539, var_1_9=8] [L77] COND FALSE !((var_1_20 + var_1_14) < var_1_21) [L86] var_1_1 = var_1_8 VAL [isInitial=1, var_1_10=1, var_1_12=65534, var_1_13=65539, var_1_14=-2, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=65540, var_1_20=-42, var_1_21=-44, var_1_22=0, var_1_23=-1, var_1_24=-8190, var_1_25=-8191, var_1_5=65539, var_1_7=65539, var_1_8=65540, var_1_9=8] [L144] RET step() [L145] CALL, EXPR property() [L135-L136] return ((((((((var_1_20 + var_1_14) < var_1_21) ? ((var_1_21 <= (var_1_14 - var_1_20)) ? ((var_1_21 < var_1_14) ? (var_1_1 == ((float) ((var_1_5 - var_1_6) - var_1_7))) : 1) : (var_1_1 == ((float) (((((var_1_6) < (var_1_8)) ? (var_1_6) : (var_1_8))) + 3.25f)))) : (var_1_1 == ((float) var_1_8))) && ((var_1_10 || (var_1_13 < (var_1_8 / var_1_11))) ? ((var_1_10 || (var_1_13 != var_1_11)) ? (var_1_9 == ((unsigned short int) 8)) : 1) : (var_1_9 == ((unsigned short int) var_1_12)))) && (var_1_10 ? (var_1_13 == ((float) ((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))))) : (var_1_13 == ((float) ((((10.15f) < ((var_1_6 + var_1_8))) ? (10.15f) : ((var_1_6 + var_1_8)))))))) && (((! (var_1_10 || var_1_15)) || var_1_16) ? (var_1_14 == ((signed short int) ((((var_1_17) > ((var_1_18 - var_1_19))) ? (var_1_17) : ((var_1_18 - var_1_19)))))) : 1)) && (var_1_16 ? (var_1_20 == ((signed long int) (var_1_9 - 50))) : 1)) && (var_1_15 ? (var_1_21 == ((signed short int) ((var_1_22 + 25) - var_1_19))) : 1)) && (var_1_10 ? (var_1_23 == ((signed short int) (var_1_22 + (((((var_1_24) < 0 ) ? -(var_1_24) : (var_1_24))) + var_1_25)))) : (var_1_16 ? (var_1_23 == ((signed short int) var_1_24)) : (var_1_23 == ((signed short int) var_1_17)))) ; VAL [\result=0, isInitial=1, var_1_10=1, var_1_12=65534, var_1_13=65539, var_1_14=-2, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=65540, var_1_20=-42, var_1_21=-44, var_1_22=0, var_1_23=-1, var_1_24=-8190, var_1_25=-8191, var_1_5=65539, var_1_7=65539, var_1_8=65540, var_1_9=8] [L145] RET, EXPR property() [L145] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1, var_1_12=65534, var_1_13=65539, var_1_14=-2, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=65540, var_1_20=-42, var_1_21=-44, var_1_22=0, var_1_23=-1, var_1_24=-8190, var_1_25=-8191, var_1_5=65539, var_1_7=65539, var_1_8=65540, var_1_9=8] [L19] reach_error() VAL [isInitial=1, var_1_10=1, var_1_12=65534, var_1_13=65539, var_1_14=-2, var_1_15=1, var_1_16=1, var_1_17=-2, var_1_18=67, var_1_19=69, var_1_1=65540, var_1_20=-42, var_1_21=-44, var_1_22=0, var_1_23=-1, var_1_24=-8190, var_1_25=-8191, var_1_5=65539, var_1_7=65539, var_1_8=65540, var_1_9=8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 3, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 287 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 87 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 200 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 165 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 645 NumberOfCodeBlocks, 645 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 480 ConstructedInterpolants, 0 QuantifiedInterpolants, 500 SizeOfPredicates, 0 NumberOfNonLiveVariables, 361 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 3850/3900 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 01:50:01,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/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_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/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_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-93.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/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_24995578-7087-4026-a27a-32750de334ad/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 b4804657cb22640a3af09bfa7720053cc027643d3a01c862cc2148d596a7b562 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:50:04,061 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:50:04,187 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 01:50:04,194 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:50:04,194 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:50:04,219 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:50:04,220 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:50:04,220 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:50:04,220 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:50:04,221 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:50:04,221 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:50:04,221 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:50:04,221 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:50:04,221 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:50:04,222 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:50:04,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:50:04,222 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:50:04,222 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:50:04,222 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:50:04,222 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:50:04,223 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:50:04,223 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:50:04,223 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:50:04,223 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 01:50:04,223 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 01:50:04,223 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 01:50:04,223 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:50:04,224 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:50:04,224 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:50:04,224 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:50:04,224 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:50:04,224 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:50:04,224 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:50:04,224 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:50:04,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:50:04,225 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:50:04,225 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:50:04,225 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:50:04,225 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:50:04,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:50:04,226 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:50:04,226 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:50:04,226 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:50:04,226 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:50:04,226 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 01:50:04,226 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 01:50:04,226 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:50:04,227 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:50:04,227 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:50:04,227 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:50:04,227 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_24995578-7087-4026-a27a-32750de334ad/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 -> b4804657cb22640a3af09bfa7720053cc027643d3a01c862cc2148d596a7b562 [2024-11-24 01:50:04,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:50:04,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:50:04,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:50:04,649 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:50:04,650 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:50:04,652 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-93.i [2024-11-24 01:50:07,668 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/data/08e80eb10/d518bc073339426189190afbf33feaa3/FLAG71d4e4be7 [2024-11-24 01:50:07,997 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:50:07,998 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-93.i [2024-11-24 01:50:08,014 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/data/08e80eb10/d518bc073339426189190afbf33feaa3/FLAG71d4e4be7 [2024-11-24 01:50:08,031 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/data/08e80eb10/d518bc073339426189190afbf33feaa3 [2024-11-24 01:50:08,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:50:08,035 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:50:08,036 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:50:08,036 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:50:08,041 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:50:08,042 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:50:08" (1/1) ... [2024-11-24 01:50:08,042 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@781fc0aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:08, skipping insertion in model container [2024-11-24 01:50:08,043 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:50:08" (1/1) ... [2024-11-24 01:50:08,061 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:50:08,215 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_24995578-7087-4026-a27a-32750de334ad/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-93.i[919,932] [2024-11-24 01:50:08,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:50:08,313 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:50:08,329 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_24995578-7087-4026-a27a-32750de334ad/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-93.i[919,932] [2024-11-24 01:50:08,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:50:08,409 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:50:08,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:08 WrapperNode [2024-11-24 01:50:08,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:50:08,412 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:50:08,412 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:50:08,412 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:50:08,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:08" (1/1) ... [2024-11-24 01:50:08,440 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:08" (1/1) ... [2024-11-24 01:50:08,477 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 150 [2024-11-24 01:50:08,478 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:50:08,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:50:08,479 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:50:08,479 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:50:08,492 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:08" (1/1) ... [2024-11-24 01:50:08,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:08" (1/1) ... [2024-11-24 01:50:08,495 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:08" (1/1) ... [2024-11-24 01:50:08,508 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 01:50:08,509 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:08" (1/1) ... [2024-11-24 01:50:08,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:08" (1/1) ... [2024-11-24 01:50:08,524 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:08" (1/1) ... [2024-11-24 01:50:08,525 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:08" (1/1) ... [2024-11-24 01:50:08,533 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:08" (1/1) ... [2024-11-24 01:50:08,535 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:08" (1/1) ... [2024-11-24 01:50:08,540 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:08" (1/1) ... [2024-11-24 01:50:08,547 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:50:08,548 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:50:08,548 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:50:08,548 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:50:08,549 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:08" (1/1) ... [2024-11-24 01:50:08,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:50:08,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:50:08,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:50:08,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:50:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:50:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 01:50:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:50:08,619 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:50:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:50:08,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:50:08,700 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:50:08,702 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:50:14,959 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-24 01:50:14,959 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:50:14,969 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:50:14,969 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:50:14,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:50:14 BoogieIcfgContainer [2024-11-24 01:50:14,970 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:50:14,972 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:50:14,972 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:50:14,976 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:50:14,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:50:08" (1/3) ... [2024-11-24 01:50:14,977 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f7d26e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:50:14, skipping insertion in model container [2024-11-24 01:50:14,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:08" (2/3) ... [2024-11-24 01:50:14,977 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f7d26e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:50:14, skipping insertion in model container [2024-11-24 01:50:14,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:50:14" (3/3) ... [2024-11-24 01:50:14,979 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-93.i [2024-11-24 01:50:14,993 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:50:14,995 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_dependencies_file-93.i that has 2 procedures, 71 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:50:15,048 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:50:15,059 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;@7e73c465, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:50:15,059 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:50:15,062 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 42 states have (on average 1.380952380952381) internal successors, (58), 43 states have internal predecessors, (58), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-24 01:50:15,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-24 01:50:15,075 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:50:15,075 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:50:15,076 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:50:15,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:50:15,081 INFO L85 PathProgramCache]: Analyzing trace with hash 635234638, now seen corresponding path program 1 times [2024-11-24 01:50:15,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:50:15,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1774116187] [2024-11-24 01:50:15,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:50:15,092 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:50:15,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:50:15,094 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:50:15,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-24 01:50:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:50:15,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:50:15,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:50:15,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 986 trivial. 0 not checked. [2024-11-24 01:50:15,659 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:50:15,662 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:50:15,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1774116187] [2024-11-24 01:50:15,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1774116187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:50:15,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:50:15,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:50:15,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415685083] [2024-11-24 01:50:15,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:50:15,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:50:15,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:50:15,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:50:15,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:50:15,696 INFO L87 Difference]: Start difference. First operand has 71 states, 42 states have (on average 1.380952380952381) internal successors, (58), 43 states have internal predecessors, (58), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-24 01:50:15,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:50:15,739 INFO L93 Difference]: Finished difference Result 135 states and 240 transitions. [2024-11-24 01:50:15,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:50:15,743 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 161 [2024-11-24 01:50:15,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:50:15,752 INFO L225 Difference]: With dead ends: 135 [2024-11-24 01:50:15,753 INFO L226 Difference]: Without dead ends: 67 [2024-11-24 01:50:15,758 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:50:15,762 INFO L435 NwaCegarLoop]: 103 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, 103 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:50:15,762 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:50:15,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-24 01:50:15,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-24 01:50:15,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 39 states have internal predecessors, (51), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-24 01:50:15,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 103 transitions. [2024-11-24 01:50:15,824 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 103 transitions. Word has length 161 [2024-11-24 01:50:15,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:50:15,824 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 103 transitions. [2024-11-24 01:50:15,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-24 01:50:15,824 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 103 transitions. [2024-11-24 01:50:15,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-24 01:50:15,830 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:50:15,831 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:50:15,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/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 01:50:16,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:50:16,032 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:50:16,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:50:16,033 INFO L85 PathProgramCache]: Analyzing trace with hash 980390534, now seen corresponding path program 1 times [2024-11-24 01:50:16,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:50:16,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [530274598] [2024-11-24 01:50:16,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:50:16,034 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:50:16,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:50:16,036 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:50:16,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-24 01:50:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:50:16,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 01:50:16,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:50:16,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-24 01:50:16,585 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:50:16,585 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:50:16,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [530274598] [2024-11-24 01:50:16,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [530274598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:50:16,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:50:16,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:50:16,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693221451] [2024-11-24 01:50:16,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:50:16,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:50:16,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:50:16,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:50:16,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:50:16,592 INFO L87 Difference]: Start difference. First operand 67 states and 103 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-24 01:50:23,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:50:24,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:50:24,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:50:24,667 INFO L93 Difference]: Finished difference Result 160 states and 244 transitions. [2024-11-24 01:50:24,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:50:24,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 161 [2024-11-24 01:50:24,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:50:24,694 INFO L225 Difference]: With dead ends: 160 [2024-11-24 01:50:24,694 INFO L226 Difference]: Without dead ends: 96 [2024-11-24 01:50:24,695 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 159 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 01:50:24,696 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 38 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:50:24,696 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 184 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 1 Unknown, 0 Unchecked, 8.0s Time] [2024-11-24 01:50:24,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-24 01:50:24,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 93. [2024-11-24 01:50:24,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 60 states have (on average 1.3166666666666667) internal successors, (79), 61 states have internal predecessors, (79), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-24 01:50:24,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 139 transitions. [2024-11-24 01:50:24,717 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 139 transitions. Word has length 161 [2024-11-24 01:50:24,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:50:24,718 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 139 transitions. [2024-11-24 01:50:24,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-24 01:50:24,718 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 139 transitions. [2024-11-24 01:50:24,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-24 01:50:24,723 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:50:24,724 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:50:24,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-24 01:50:24,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:50:24,924 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:50:24,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:50:24,925 INFO L85 PathProgramCache]: Analyzing trace with hash -702336306, now seen corresponding path program 1 times [2024-11-24 01:50:24,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:50:24,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [97711787] [2024-11-24 01:50:24,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:50:24,926 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:50:24,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:50:24,928 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:50:24,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24995578-7087-4026-a27a-32750de334ad/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-24 01:50:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:50:25,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-24 01:50:25,398 INFO L279 TraceCheckSpWp]: Computing forward predicates...