./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/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_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/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_92264960-14f0-4411-a27b-2066e80deaa9/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 3f0afbebe1d6d31b67ecf7ab6417fb575d69602a84a97ac1a2c9f95fa54570b5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:30:54,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:30:54,124 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 18:30:54,130 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:30:54,130 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:30:54,160 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:30:54,161 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:30:54,161 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:30:54,161 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:30:54,161 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:30:54,161 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:30:54,162 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:30:54,162 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:30:54,162 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:30:54,162 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:30:54,162 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:30:54,163 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:30:54,163 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:30:54,163 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:30:54,163 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:30:54,163 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:30:54,163 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:30:54,163 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:30:54,164 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:30:54,164 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:30:54,164 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:30:54,164 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:30:54,164 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:30:54,164 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:30:54,164 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:30:54,165 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:30:54,165 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:30:54,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:30:54,165 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:30:54,165 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:30:54,165 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:30:54,165 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:30:54,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:30:54,166 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:30:54,166 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:30:54,166 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:30:54,166 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:30:54,166 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 18:30:54,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 18:30:54,167 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:30:54,167 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:30:54,167 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:30:54,167 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:30:54,167 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_92264960-14f0-4411-a27b-2066e80deaa9/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 -> 3f0afbebe1d6d31b67ecf7ab6417fb575d69602a84a97ac1a2c9f95fa54570b5 [2024-11-23 18:30:54,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:30:54,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:30:54,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:30:54,597 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:30:54,597 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:30:54,598 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.i [2024-11-23 18:30:58,137 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/data/39c843854/4b48510efb9c4a07bef85d8999c4b080/FLAG8dd775d96 [2024-11-23 18:30:58,526 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:30:58,526 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.i [2024-11-23 18:30:58,535 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/data/39c843854/4b48510efb9c4a07bef85d8999c4b080/FLAG8dd775d96 [2024-11-23 18:30:58,552 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/data/39c843854/4b48510efb9c4a07bef85d8999c4b080 [2024-11-23 18:30:58,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:30:58,557 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:30:58,558 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:30:58,558 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:30:58,564 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:30:58,565 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:30:58" (1/1) ... [2024-11-23 18:30:58,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a67f937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:58, skipping insertion in model container [2024-11-23 18:30:58,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:30:58" (1/1) ... [2024-11-23 18:30:58,597 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:30:58,817 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_92264960-14f0-4411-a27b-2066e80deaa9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.i[913,926] [2024-11-23 18:30:58,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:30:58,918 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:30:58,931 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_92264960-14f0-4411-a27b-2066e80deaa9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.i[913,926] [2024-11-23 18:30:58,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:30:59,010 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:30:59,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:59 WrapperNode [2024-11-23 18:30:59,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:30:59,012 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:30:59,012 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:30:59,012 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:30:59,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:59" (1/1) ... [2024-11-23 18:30:59,035 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:59" (1/1) ... [2024-11-23 18:30:59,087 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2024-11-23 18:30:59,087 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:30:59,088 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:30:59,088 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:30:59,088 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:30:59,108 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:59" (1/1) ... [2024-11-23 18:30:59,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:59" (1/1) ... [2024-11-23 18:30:59,113 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:59" (1/1) ... [2024-11-23 18:30:59,140 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-23 18:30:59,140 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:59" (1/1) ... [2024-11-23 18:30:59,140 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:59" (1/1) ... [2024-11-23 18:30:59,148 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:59" (1/1) ... [2024-11-23 18:30:59,149 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:59" (1/1) ... [2024-11-23 18:30:59,153 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:59" (1/1) ... [2024-11-23 18:30:59,160 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:59" (1/1) ... [2024-11-23 18:30:59,162 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:59" (1/1) ... [2024-11-23 18:30:59,165 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:30:59,170 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:30:59,170 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:30:59,170 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:30:59,175 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:59" (1/1) ... [2024-11-23 18:30:59,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:30:59,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:30:59,231 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:30:59,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:30:59,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:30:59,268 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 18:30:59,268 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 18:30:59,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 18:30:59,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:30:59,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:30:59,360 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:30:59,362 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:30:59,811 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-23 18:30:59,811 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:30:59,832 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:30:59,832 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 18:30:59,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:30:59 BoogieIcfgContainer [2024-11-23 18:30:59,834 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:30:59,837 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:30:59,837 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:30:59,848 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:30:59,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:30:58" (1/3) ... [2024-11-23 18:30:59,849 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f517303 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:30:59, skipping insertion in model container [2024-11-23 18:30:59,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:59" (2/3) ... [2024-11-23 18:30:59,850 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f517303 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:30:59, skipping insertion in model container [2024-11-23 18:30:59,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:30:59" (3/3) ... [2024-11-23 18:30:59,852 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-77.i [2024-11-23 18:30:59,874 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:30:59,878 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-77.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 18:30:59,984 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:31:00,004 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;@410b7af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:31:00,004 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 18:31:00,011 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-23 18:31:00,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-23 18:31:00,029 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:31:00,030 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:31:00,030 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:31:00,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:31:00,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1364825220, now seen corresponding path program 1 times [2024-11-23 18:31:00,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:31:00,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771576730] [2024-11-23 18:31:00,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:00,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:31:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:00,525 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-23 18:31:00,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:31:00,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771576730] [2024-11-23 18:31:00,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771576730] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:31:00,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628587322] [2024-11-23 18:31:00,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:00,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:31:00,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:31:00,530 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:31:00,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 18:31:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:00,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 18:31:00,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:31:00,836 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-23 18:31:00,836 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:31:00,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1628587322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:31:00,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:31:00,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 18:31:00,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126469865] [2024-11-23 18:31:00,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:31:00,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 18:31:00,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:31:00,870 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 18:31:00,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:31:00,873 INFO L87 Difference]: Start difference. First operand has 55 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-23 18:31:00,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:31:00,913 INFO L93 Difference]: Finished difference Result 103 states and 174 transitions. [2024-11-23 18:31:00,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 18:31:00,915 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 115 [2024-11-23 18:31:00,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:31:00,925 INFO L225 Difference]: With dead ends: 103 [2024-11-23 18:31:00,925 INFO L226 Difference]: Without dead ends: 51 [2024-11-23 18:31:00,929 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:31:00,937 INFO L435 NwaCegarLoop]: 74 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, 74 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:31:00,940 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:31:00,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-23 18:31:00,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-23 18:31:00,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-23 18:31:00,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2024-11-23 18:31:00,999 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 115 [2024-11-23 18:31:00,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:31:01,000 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2024-11-23 18:31:01,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-23 18:31:01,000 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2024-11-23 18:31:01,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-23 18:31:01,006 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:31:01,007 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:31:01,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 18:31:01,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 18:31:01,213 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:31:01,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:31:01,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1423678132, now seen corresponding path program 1 times [2024-11-23 18:31:01,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:31:01,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85033439] [2024-11-23 18:31:01,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:01,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:31:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 18:31:01,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1524213194] [2024-11-23 18:31:01,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:01,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:31:01,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:31:01,550 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:31:01,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 18:31:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:31:01,841 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:31:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:31:02,027 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 18:31:02,028 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 18:31:02,029 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 18:31:02,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 18:31:02,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:31:02,238 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-23 18:31:02,355 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 18:31:02,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:31:02 BoogieIcfgContainer [2024-11-23 18:31:02,360 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 18:31:02,361 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 18:31:02,361 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 18:31:02,361 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 18:31:02,362 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:30:59" (3/4) ... [2024-11-23 18:31:02,365 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 18:31:02,366 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 18:31:02,367 INFO L158 Benchmark]: Toolchain (without parser) took 3810.35ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 94.2MB in the beginning and 322.7MB in the end (delta: -228.5MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-11-23 18:31:02,367 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:31:02,368 INFO L158 Benchmark]: CACSL2BoogieTranslator took 453.09ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 80.5MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:31:02,368 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.37ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 78.0MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:31:02,369 INFO L158 Benchmark]: Boogie Preprocessor took 81.31ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 74.4MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:31:02,369 INFO L158 Benchmark]: RCFGBuilder took 664.39ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 57.3MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 18:31:02,370 INFO L158 Benchmark]: TraceAbstraction took 2522.64ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 56.6MB in the beginning and 322.7MB in the end (delta: -266.1MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2024-11-23 18:31:02,370 INFO L158 Benchmark]: Witness Printer took 5.26ms. Allocated memory is still 352.3MB. Free memory was 322.7MB in the beginning and 322.7MB in the end (delta: 18.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:31:02,373 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 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 453.09ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 80.5MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.37ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 78.0MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.31ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 74.4MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 664.39ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 57.3MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2522.64ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 56.6MB in the beginning and 322.7MB in the end (delta: -266.1MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * Witness Printer took 5.26ms. Allocated memory is still 352.3MB. Free memory was 322.7MB in the beginning and 322.7MB in the end (delta: 18.0kB). 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 84, overapproximation of someBinaryFLOATComparisonOperation at line 86, overapproximation of someBinaryFLOATComparisonOperation at line 41, overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryFLOATComparisonOperation at line 62, overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 88, overapproximation of someBinaryDOUBLEComparisonOperation at line 89, overapproximation of someUnaryFLOAToperation at line 41. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 50; [L23] unsigned short int var_1_4 = 60871; [L24] unsigned short int var_1_5 = 1; [L25] unsigned short int var_1_6 = 28896; [L26] unsigned short int var_1_7 = 5; [L27] float var_1_8 = 63.8; [L28] float var_1_9 = 49.5; [L29] float var_1_10 = 31.875; [L30] float var_1_11 = 255.25; [L31] float var_1_12 = 0.0; [L32] signed short int var_1_13 = -8; [L33] double var_1_15 = 10000000000000.375; [L34] unsigned short int var_1_16 = 4; [L35] unsigned char var_1_17 = 1; [L36] unsigned char var_1_18 = 1; VAL [isInitial=0, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=60871, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L104] isInitial = 1 [L105] FCALL initially() [L107] FCALL updateLastVariables() [L108] CALL updateVariables() [L67] var_1_4 = __VERIFIER_nondet_ushort() [L68] CALL assume_abort_if_not(var_1_4 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L68] RET assume_abort_if_not(var_1_4 >= 32767) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L69] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L69] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L70] var_1_5 = __VERIFIER_nondet_ushort() [L71] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L71] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L72] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L72] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L73] var_1_6 = __VERIFIER_nondet_ushort() [L74] CALL assume_abort_if_not(var_1_6 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L74] RET assume_abort_if_not(var_1_6 >= 16383) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L75] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L75] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L76] var_1_7 = __VERIFIER_nondet_ushort() [L77] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_8=319/5, var_1_9=99/2] [L77] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_8=319/5, var_1_9=99/2] [L78] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5, var_1_9=99/2] [L78] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5, var_1_9=99/2] [L79] var_1_9 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L80] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L81] var_1_10 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L82] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L83] var_1_11 = __VERIFIER_nondet_float() [L84] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L84] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L85] var_1_12 = __VERIFIER_nondet_float() [L86] CALL assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L86] RET assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L87] var_1_15 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L88] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L89] CALL assume_abort_if_not(var_1_15 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L89] RET assume_abort_if_not(var_1_15 != 0.0F) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L90] var_1_17 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L91] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L92] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L92] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L93] var_1_18 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L94] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L95] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L95] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L108] RET updateVariables() [L109] CALL step() [L40] COND TRUE var_1_7 > var_1_5 [L41] var_1_8 = ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=2, var_1_9=0] [L45] unsigned short int stepLocal_0 = var_1_6; VAL [isInitial=1, stepLocal_0=16383, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=2, var_1_9=0] [L46] COND FALSE !(stepLocal_0 <= var_1_5) [L51] var_1_13 = var_1_7 VAL [isInitial=1, var_1_13=128, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=2, var_1_9=0] [L53] COND FALSE !(var_1_6 > (var_1_13 * ((((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7))))) [L60] var_1_16 = var_1_6 VAL [isInitial=1, var_1_13=128, var_1_16=16383, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=2, var_1_9=0] [L62] COND FALSE !(var_1_8 != var_1_8) VAL [isInitial=1, var_1_13=128, var_1_16=16383, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=2, var_1_9=0] [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return ((((var_1_8 != var_1_8) ? (var_1_1 == ((unsigned short int) (var_1_4 - ((((var_1_5) < ((var_1_6 - var_1_7))) ? (var_1_5) : ((var_1_6 - var_1_7))))))) : 1) && ((var_1_7 > var_1_5) ? (var_1_8 == ((float) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))))) : (var_1_8 == ((float) (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - (var_1_12 - 3.4f)))))) && ((var_1_6 <= var_1_5) ? ((((((var_1_8) > ((var_1_12 / var_1_15))) ? (var_1_8) : ((var_1_12 / var_1_15)))) > ((((var_1_10) < (var_1_8)) ? (var_1_10) : (var_1_8)))) ? (var_1_13 == ((signed short int) var_1_7)) : 1) : (var_1_13 == ((signed short int) var_1_7)))) && ((var_1_6 > (var_1_13 * ((((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7))))) ? ((var_1_17 || var_1_18) ? (var_1_16 == ((unsigned short int) var_1_4)) : (var_1_16 == ((unsigned short int) var_1_7))) : (var_1_16 == ((unsigned short int) var_1_6))) ; VAL [\result=0, isInitial=1, var_1_13=128, var_1_16=16383, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=2, var_1_9=0] [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_13=128, var_1_16=16383, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=2, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_13=128, var_1_16=16383, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=2, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 2, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 74 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 74 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 460 NumberOfCodeBlocks, 460 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 228 ConstructedInterpolants, 0 QuantifiedInterpolants, 228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 256 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1190/1224 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 [2024-11-23 18:31:02,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/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_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/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_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/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_92264960-14f0-4411-a27b-2066e80deaa9/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 3f0afbebe1d6d31b67ecf7ab6417fb575d69602a84a97ac1a2c9f95fa54570b5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:31:05,656 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:31:05,775 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 18:31:05,787 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:31:05,790 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:31:05,859 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:31:05,862 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:31:05,862 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:31:05,863 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:31:05,864 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:31:05,864 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:31:05,864 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:31:05,864 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:31:05,864 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:31:05,865 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:31:05,865 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:31:05,865 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:31:05,865 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:31:05,865 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:31:05,865 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:31:05,865 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:31:05,865 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:31:05,866 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:31:05,866 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 18:31:05,866 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 18:31:05,866 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 18:31:05,866 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:31:05,866 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:31:05,866 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:31:05,866 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:31:05,866 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:31:05,867 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:31:05,867 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:31:05,867 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:31:05,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:31:05,870 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:31:05,870 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:31:05,870 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:31:05,870 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:31:05,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:31:05,870 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:31:05,871 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:31:05,871 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:31:05,871 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:31:05,872 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 18:31:05,872 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 18:31:05,872 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:31:05,872 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:31:05,872 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:31:05,873 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:31:05,873 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_92264960-14f0-4411-a27b-2066e80deaa9/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 -> 3f0afbebe1d6d31b67ecf7ab6417fb575d69602a84a97ac1a2c9f95fa54570b5 [2024-11-23 18:31:06,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:31:06,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:31:06,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:31:06,298 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:31:06,298 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:31:06,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.i [2024-11-23 18:31:10,030 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/data/b0e259526/4ad7682829884e5f8cc554bd58d3386a/FLAGe75e82d3a [2024-11-23 18:31:10,430 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:31:10,431 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.i [2024-11-23 18:31:10,471 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/data/b0e259526/4ad7682829884e5f8cc554bd58d3386a/FLAGe75e82d3a [2024-11-23 18:31:10,506 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/data/b0e259526/4ad7682829884e5f8cc554bd58d3386a [2024-11-23 18:31:10,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:31:10,511 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:31:10,514 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:31:10,514 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:31:10,520 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:31:10,521 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:31:10" (1/1) ... [2024-11-23 18:31:10,522 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1551b28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:10, skipping insertion in model container [2024-11-23 18:31:10,522 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:31:10" (1/1) ... [2024-11-23 18:31:10,553 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:31:10,758 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_92264960-14f0-4411-a27b-2066e80deaa9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.i[913,926] [2024-11-23 18:31:10,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:31:10,854 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:31:10,868 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_92264960-14f0-4411-a27b-2066e80deaa9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.i[913,926] [2024-11-23 18:31:10,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:31:10,945 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:31:10,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:10 WrapperNode [2024-11-23 18:31:10,946 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:31:10,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:31:10,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:31:10,948 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:31:10,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:10" (1/1) ... [2024-11-23 18:31:10,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:10" (1/1) ... [2024-11-23 18:31:11,019 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2024-11-23 18:31:11,020 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:31:11,020 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:31:11,020 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:31:11,021 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:31:11,032 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:10" (1/1) ... [2024-11-23 18:31:11,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:10" (1/1) ... [2024-11-23 18:31:11,042 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:10" (1/1) ... [2024-11-23 18:31:11,069 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-23 18:31:11,070 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:10" (1/1) ... [2024-11-23 18:31:11,070 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:10" (1/1) ... [2024-11-23 18:31:11,088 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:10" (1/1) ... [2024-11-23 18:31:11,093 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:10" (1/1) ... [2024-11-23 18:31:11,097 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:10" (1/1) ... [2024-11-23 18:31:11,103 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:10" (1/1) ... [2024-11-23 18:31:11,108 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:10" (1/1) ... [2024-11-23 18:31:11,112 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:31:11,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:31:11,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:31:11,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:31:11,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:10" (1/1) ... [2024-11-23 18:31:11,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:31:11,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:31:11,170 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:31:11,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:31:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:31:11,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 18:31:11,212 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 18:31:11,212 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 18:31:11,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:31:11,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:31:11,342 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:31:11,344 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:31:24,808 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-23 18:31:24,808 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:31:24,822 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:31:24,822 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 18:31:24,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:31:24 BoogieIcfgContainer [2024-11-23 18:31:24,823 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:31:24,826 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:31:24,826 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:31:24,832 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:31:24,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:31:10" (1/3) ... [2024-11-23 18:31:24,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46883720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:31:24, skipping insertion in model container [2024-11-23 18:31:24,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:10" (2/3) ... [2024-11-23 18:31:24,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46883720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:31:24, skipping insertion in model container [2024-11-23 18:31:24,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:31:24" (3/3) ... [2024-11-23 18:31:24,836 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-77.i [2024-11-23 18:31:24,855 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:31:24,857 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-77.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 18:31:24,928 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:31:24,944 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;@795b89e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:31:24,944 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 18:31:24,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-23 18:31:24,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-23 18:31:24,963 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:31:24,965 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:31:24,968 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:31:24,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:31:24,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1364825220, now seen corresponding path program 1 times [2024-11-23 18:31:24,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:31:24,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1843562971] [2024-11-23 18:31:24,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:24,990 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 [2024-11-23 18:31:24,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:31:24,994 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/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) [2024-11-23 18:31:24,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/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 [2024-11-23 18:31:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:26,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 18:31:26,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:31:26,274 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-23 18:31:26,274 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:31:26,278 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:31:26,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1843562971] [2024-11-23 18:31:26,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1843562971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:31:26,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:31:26,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:31:26,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60534538] [2024-11-23 18:31:26,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:31:26,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 18:31:26,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:31:26,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 18:31:26,319 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:31:26,321 INFO L87 Difference]: Start difference. First operand has 55 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-23 18:31:26,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:31:26,353 INFO L93 Difference]: Finished difference Result 103 states and 174 transitions. [2024-11-23 18:31:26,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 18:31:26,355 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 115 [2024-11-23 18:31:26,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:31:26,363 INFO L225 Difference]: With dead ends: 103 [2024-11-23 18:31:26,363 INFO L226 Difference]: Without dead ends: 51 [2024-11-23 18:31:26,367 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:31:26,371 INFO L435 NwaCegarLoop]: 74 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, 74 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:31:26,372 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:31:26,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-23 18:31:26,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-23 18:31:26,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-23 18:31:26,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2024-11-23 18:31:26,421 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 115 [2024-11-23 18:31:26,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:31:26,422 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2024-11-23 18:31:26,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-23 18:31:26,423 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2024-11-23 18:31:26,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-23 18:31:26,433 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:31:26,434 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:31:26,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/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 [2024-11-23 18:31:26,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/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 [2024-11-23 18:31:26,635 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:31:26,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:31:26,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1423678132, now seen corresponding path program 1 times [2024-11-23 18:31:26,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:31:26,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1142379762] [2024-11-23 18:31:26,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:26,638 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 [2024-11-23 18:31:26,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:31:26,643 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/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) [2024-11-23 18:31:26,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92264960-14f0-4411-a27b-2066e80deaa9/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 [2024-11-23 18:31:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:27,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-23 18:31:27,840 INFO L279 TraceCheckSpWp]: Computing forward predicates...