./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-96.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_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/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_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/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_e224a718-a342-4410-9e69-84aa6e021ed5/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 bc4343435e8b0f90e9fafca790203e82878241d49cdad6f8cc3fc03787f7fe2b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:18:13,110 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:18:13,223 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:18:13,229 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:18:13,229 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:18:13,255 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:18:13,255 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:18:13,255 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:18:13,260 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:18:13,260 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:18:13,261 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:18:13,261 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:18:13,262 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:18:13,262 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:18:13,263 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:18:13,263 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:18:13,263 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:18:13,264 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:18:13,264 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:18:13,264 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:18:13,264 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:18:13,264 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:18:13,264 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:18:13,265 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:18:13,265 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:18:13,265 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:18:13,265 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:18:13,265 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:18:13,265 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:18:13,265 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:18:13,266 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:18:13,267 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:18:13,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:18:13,267 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:18:13,267 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:18:13,267 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:18:13,267 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:18:13,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:18:13,268 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:18:13,268 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:18:13,268 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:18:13,268 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:18:13,268 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:18:13,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:18:13,268 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:18:13,268 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:18:13,269 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:18:13,269 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:18:13,269 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_e224a718-a342-4410-9e69-84aa6e021ed5/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 -> bc4343435e8b0f90e9fafca790203e82878241d49cdad6f8cc3fc03787f7fe2b [2024-11-24 01:18:13,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:18:13,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:18:13,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:18:13,665 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:18:13,666 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:18:13,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-96.i [2024-11-24 01:18:16,992 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/data/dcc28792e/befbff7835aa42568002cd7e46fa42ab/FLAG7f4ee6f6c [2024-11-24 01:18:17,378 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:18:17,379 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-96.i [2024-11-24 01:18:17,394 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/data/dcc28792e/befbff7835aa42568002cd7e46fa42ab/FLAG7f4ee6f6c [2024-11-24 01:18:17,426 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/data/dcc28792e/befbff7835aa42568002cd7e46fa42ab [2024-11-24 01:18:17,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:18:17,432 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:18:17,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:18:17,434 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:18:17,444 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:18:17,447 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:18:17" (1/1) ... [2024-11-24 01:18:17,448 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3031e6f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:17, skipping insertion in model container [2024-11-24 01:18:17,449 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:18:17" (1/1) ... [2024-11-24 01:18:17,480 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:18:17,686 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_e224a718-a342-4410-9e69-84aa6e021ed5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-96.i[915,928] [2024-11-24 01:18:17,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:18:17,813 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:18:17,831 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_e224a718-a342-4410-9e69-84aa6e021ed5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-96.i[915,928] [2024-11-24 01:18:17,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:18:17,928 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:18:17,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:17 WrapperNode [2024-11-24 01:18:17,930 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:18:17,931 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:18:17,931 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:18:17,932 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:18:17,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:17" (1/1) ... [2024-11-24 01:18:17,957 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:17" (1/1) ... [2024-11-24 01:18:18,005 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 159 [2024-11-24 01:18:18,006 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:18:18,007 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:18:18,007 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:18:18,007 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:18:18,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:17" (1/1) ... [2024-11-24 01:18:18,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:17" (1/1) ... [2024-11-24 01:18:18,023 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:17" (1/1) ... [2024-11-24 01:18:18,051 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 01:18:18,052 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:17" (1/1) ... [2024-11-24 01:18:18,052 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:17" (1/1) ... [2024-11-24 01:18:18,061 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:17" (1/1) ... [2024-11-24 01:18:18,062 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:17" (1/1) ... [2024-11-24 01:18:18,067 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:17" (1/1) ... [2024-11-24 01:18:18,069 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:17" (1/1) ... [2024-11-24 01:18:18,071 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:17" (1/1) ... [2024-11-24 01:18:18,075 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:18:18,076 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:18:18,076 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:18:18,076 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:18:18,077 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:17" (1/1) ... [2024-11-24 01:18:18,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:18:18,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:18:18,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:18:18,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:18:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:18:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:18:18,170 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:18:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:18:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:18:18,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:18:18,280 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:18:18,284 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:18:18,775 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-24 01:18:18,775 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:18:18,799 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:18:18,803 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:18:18,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:18:18 BoogieIcfgContainer [2024-11-24 01:18:18,803 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:18:18,806 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:18:18,806 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:18:18,813 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:18:18,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:18:17" (1/3) ... [2024-11-24 01:18:18,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21466989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:18:18, skipping insertion in model container [2024-11-24 01:18:18,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:17" (2/3) ... [2024-11-24 01:18:18,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21466989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:18:18, skipping insertion in model container [2024-11-24 01:18:18,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:18:18" (3/3) ... [2024-11-24 01:18:18,819 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-96.i [2024-11-24 01:18:18,842 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:18:18,844 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-96.i that has 2 procedures, 73 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:18:18,938 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:18:18,952 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;@1f0bc34a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:18:18,953 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:18:18,958 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 44 states have internal predecessors, (57), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 01:18:18,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-24 01:18:18,974 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:18,975 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:18:18,975 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:18:18,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:18,982 INFO L85 PathProgramCache]: Analyzing trace with hash 2110557727, now seen corresponding path program 1 times [2024-11-24 01:18:18,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:18,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216301033] [2024-11-24 01:18:18,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:18,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:19,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 1352 trivial. 0 not checked. [2024-11-24 01:18:19,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:19,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216301033] [2024-11-24 01:18:19,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216301033] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:18:19,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517352561] [2024-11-24 01:18:19,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:19,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:18:19,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:18:19,440 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:18:19,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:18:19,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:19,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:18:19,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:18:19,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 1352 trivial. 0 not checked. [2024-11-24 01:18:19,822 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:18:19,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [517352561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:19,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:18:19,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 01:18:19,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935100060] [2024-11-24 01:18:19,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:19,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:18:19,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:19,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:18:19,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:18:19,861 INFO L87 Difference]: Start difference. First operand has 73 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 44 states have internal predecessors, (57), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-24 01:18:19,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:19,894 INFO L93 Difference]: Finished difference Result 136 states and 237 transitions. [2024-11-24 01:18:19,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:18:19,897 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 167 [2024-11-24 01:18:19,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:19,907 INFO L225 Difference]: With dead ends: 136 [2024-11-24 01:18:19,907 INFO L226 Difference]: Without dead ends: 66 [2024-11-24 01:18:19,912 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:18:19,916 INFO L435 NwaCegarLoop]: 97 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, 97 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:19,916 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:18:19,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-24 01:18:19,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-24 01:18:19,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 37 states have (on average 1.162162162162162) internal successors, (43), 37 states have internal predecessors, (43), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 01:18:19,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 97 transitions. [2024-11-24 01:18:19,968 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 97 transitions. Word has length 167 [2024-11-24 01:18:19,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:19,969 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 97 transitions. [2024-11-24 01:18:19,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-24 01:18:19,969 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 97 transitions. [2024-11-24 01:18:19,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-24 01:18:19,975 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:19,976 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:18:19,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:18:20,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 01:18:20,177 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:18:20,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:20,180 INFO L85 PathProgramCache]: Analyzing trace with hash 296320473, now seen corresponding path program 1 times [2024-11-24 01:18:20,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:20,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738701951] [2024-11-24 01:18:20,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:20,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:21,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-24 01:18:21,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:21,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738701951] [2024-11-24 01:18:21,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738701951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:21,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:21,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:18:21,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857795844] [2024-11-24 01:18:21,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:21,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:18:21,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:21,125 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:18:21,125 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:18:21,125 INFO L87 Difference]: Start difference. First operand 66 states and 97 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-24 01:18:21,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:21,431 INFO L93 Difference]: Finished difference Result 193 states and 286 transitions. [2024-11-24 01:18:21,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:18:21,432 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 167 [2024-11-24 01:18:21,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:21,437 INFO L225 Difference]: With dead ends: 193 [2024-11-24 01:18:21,437 INFO L226 Difference]: Without dead ends: 130 [2024-11-24 01:18:21,438 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:18:21,442 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 52 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:21,442 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 271 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:18:21,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-24 01:18:21,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 115. [2024-11-24 01:18:21,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 58 states have (on average 1.103448275862069) internal successors, (64), 58 states have internal predecessors, (64), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-24 01:18:21,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 172 transitions. [2024-11-24 01:18:21,504 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 172 transitions. Word has length 167 [2024-11-24 01:18:21,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:21,508 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 172 transitions. [2024-11-24 01:18:21,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-24 01:18:21,508 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 172 transitions. [2024-11-24 01:18:21,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-24 01:18:21,513 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:21,514 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:18:21,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:18:21,514 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:18:21,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:21,515 INFO L85 PathProgramCache]: Analyzing trace with hash 554485911, now seen corresponding path program 1 times [2024-11-24 01:18:21,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:21,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694265771] [2024-11-24 01:18:21,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:21,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:22,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 30 proven. 48 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2024-11-24 01:18:22,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:22,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694265771] [2024-11-24 01:18:22,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694265771] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:18:22,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331801143] [2024-11-24 01:18:22,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:22,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:18:22,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:18:22,883 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:18:22,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:18:23,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:23,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-24 01:18:23,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:18:24,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 934 proven. 105 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-11-24 01:18:24,408 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:18:25,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 84 proven. 69 refuted. 0 times theorem prover too weak. 1251 trivial. 0 not checked. [2024-11-24 01:18:25,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331801143] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:18:25,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:18:25,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 9] total 23 [2024-11-24 01:18:25,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712052880] [2024-11-24 01:18:25,069 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:18:25,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-24 01:18:25,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:25,071 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-24 01:18:25,072 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=387, Unknown=0, NotChecked=0, Total=506 [2024-11-24 01:18:25,072 INFO L87 Difference]: Start difference. First operand 115 states and 172 transitions. Second operand has 23 states, 23 states have (on average 4.434782608695652) internal successors, (102), 22 states have internal predecessors, (102), 9 states have call successors, (70), 4 states have call predecessors, (70), 8 states have return successors, (71), 9 states have call predecessors, (71), 9 states have call successors, (71) [2024-11-24 01:18:28,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:28,876 INFO L93 Difference]: Finished difference Result 465 states and 625 transitions. [2024-11-24 01:18:28,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-11-24 01:18:28,877 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.434782608695652) internal successors, (102), 22 states have internal predecessors, (102), 9 states have call successors, (70), 4 states have call predecessors, (70), 8 states have return successors, (71), 9 states have call predecessors, (71), 9 states have call successors, (71) Word has length 167 [2024-11-24 01:18:28,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:28,883 INFO L225 Difference]: With dead ends: 465 [2024-11-24 01:18:28,883 INFO L226 Difference]: Without dead ends: 402 [2024-11-24 01:18:28,887 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2230 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1676, Invalid=5464, Unknown=0, NotChecked=0, Total=7140 [2024-11-24 01:18:28,888 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 488 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 897 mSolverCounterSat, 532 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 1429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 532 IncrementalHoareTripleChecker+Valid, 897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:28,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [500 Valid, 542 Invalid, 1429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [532 Valid, 897 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-24 01:18:28,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2024-11-24 01:18:28,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 364. [2024-11-24 01:18:29,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 202 states have (on average 1.0693069306930694) internal successors, (216), 204 states have internal predecessors, (216), 135 states have call successors, (135), 26 states have call predecessors, (135), 26 states have return successors, (135), 133 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-24 01:18:29,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 486 transitions. [2024-11-24 01:18:29,008 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 486 transitions. Word has length 167 [2024-11-24 01:18:29,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:29,012 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 486 transitions. [2024-11-24 01:18:29,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.434782608695652) internal successors, (102), 22 states have internal predecessors, (102), 9 states have call successors, (70), 4 states have call predecessors, (70), 8 states have return successors, (71), 9 states have call predecessors, (71), 9 states have call successors, (71) [2024-11-24 01:18:29,012 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 486 transitions. [2024-11-24 01:18:29,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-24 01:18:29,018 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:29,019 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:18:29,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 01:18:29,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:18:29,220 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:18:29,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:29,221 INFO L85 PathProgramCache]: Analyzing trace with hash 556332953, now seen corresponding path program 1 times [2024-11-24 01:18:29,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:29,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553714305] [2024-11-24 01:18:29,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:29,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:18:29,327 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:18:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:18:29,510 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 01:18:29,511 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:18:29,512 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:18:29,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:18:29,517 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-24 01:18:29,688 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:18:29,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:18:29 BoogieIcfgContainer [2024-11-24 01:18:29,693 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:18:29,694 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:18:29,694 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:18:29,694 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:18:29,695 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:18:18" (3/4) ... [2024-11-24 01:18:29,698 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 01:18:29,699 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:18:29,701 INFO L158 Benchmark]: Toolchain (without parser) took 12268.53ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 105.2MB in the beginning and 191.0MB in the end (delta: -85.8MB). Peak memory consumption was 140.0MB. Max. memory is 16.1GB. [2024-11-24 01:18:29,702 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:18:29,702 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.64ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 90.8MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:18:29,703 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.89ms. Allocated memory is still 142.6MB. Free memory was 90.8MB in the beginning and 88.0MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:18:29,703 INFO L158 Benchmark]: Boogie Preprocessor took 67.99ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 83.1MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:18:29,704 INFO L158 Benchmark]: RCFGBuilder took 727.88ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 62.9MB in the end (delta: 20.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 01:18:29,705 INFO L158 Benchmark]: TraceAbstraction took 10886.93ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 62.6MB in the beginning and 194.7MB in the end (delta: -132.1MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. [2024-11-24 01:18:29,705 INFO L158 Benchmark]: Witness Printer took 5.78ms. Allocated memory is still 369.1MB. Free memory was 191.2MB in the beginning and 191.0MB in the end (delta: 110.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:18:29,708 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 496.64ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 90.8MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.89ms. Allocated memory is still 142.6MB. Free memory was 90.8MB in the beginning and 88.0MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 67.99ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 83.1MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 727.88ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 62.9MB in the end (delta: 20.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 10886.93ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 62.6MB in the beginning and 194.7MB in the end (delta: -132.1MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. * Witness Printer took 5.78ms. Allocated memory is still 369.1MB. Free memory was 191.2MB in the beginning and 191.0MB in the end (delta: 110.7kB). 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 135, overapproximation of someBinaryDOUBLEComparisonOperation at line 125, overapproximation of someBinaryDOUBLEComparisonOperation at line 127, overapproximation of someBinaryDOUBLEComparisonOperation at line 129, overapproximation of someBinaryDOUBLEComparisonOperation at line 135. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 16; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_6 = 1; [L25] signed char var_1_8 = -10; [L26] unsigned short int var_1_9 = 4; [L27] signed char var_1_10 = 8; [L28] unsigned short int var_1_12 = 64314; [L29] unsigned short int var_1_13 = 26169; [L30] signed char var_1_17 = 50; [L31] signed char var_1_18 = 16; [L32] signed char var_1_19 = 5; [L33] signed char var_1_20 = 0; [L34] signed char var_1_21 = 50; [L35] signed char var_1_22 = 16; [L36] unsigned char var_1_23 = 16; [L37] unsigned char var_1_24 = 1; [L38] unsigned char var_1_25 = 0; [L39] double var_1_27 = 0.25; [L40] double var_1_28 = 10.25; [L41] double var_1_29 = 1000.25; [L42] double var_1_30 = 9.5; [L43] float var_1_31 = 63.5; [L44] unsigned short int last_1_var_1_9 = 4; VAL [isInitial=0, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-10, var_1_9=4] [L139] isInitial = 1 [L140] FCALL initially() [L142] CALL updateLastVariables() [L132] last_1_var_1_9 = var_1_9 VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=0, var_1_6=1, var_1_8=-10, var_1_9=4] [L142] RET updateLastVariables() [L143] CALL updateVariables() [L88] var_1_4 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_6=1, var_1_8=-10, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_6=1, var_1_8=-10, var_1_9=4] [L89] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_6=1, var_1_8=-10, var_1_9=4] [L90] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=-10, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=-10, var_1_9=4] [L90] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=-10, var_1_9=4] [L91] var_1_6 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_8=-10, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_8=-10, var_1_9=4] [L92] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_8=-10, var_1_9=4] [L93] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=-10, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=-10, var_1_9=4] [L93] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=-10, var_1_9=4] [L94] var_1_8 = __VERIFIER_nondet_char() [L95] CALL assume_abort_if_not(var_1_8 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L95] RET assume_abort_if_not(var_1_8 >= -127) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L96] CALL assume_abort_if_not(var_1_8 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L96] RET assume_abort_if_not(var_1_8 <= 126) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L97] var_1_10 = __VERIFIER_nondet_char() [L98] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L98] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L99] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L99] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L100] var_1_12 = __VERIFIER_nondet_ushort() [L101] CALL assume_abort_if_not(var_1_12 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L101] RET assume_abort_if_not(var_1_12 >= 49150) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L102] CALL assume_abort_if_not(var_1_12 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L102] RET assume_abort_if_not(var_1_12 <= 65534) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L103] var_1_13 = __VERIFIER_nondet_ushort() [L104] CALL assume_abort_if_not(var_1_13 >= 24575) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L104] RET assume_abort_if_not(var_1_13 >= 24575) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L105] CALL assume_abort_if_not(var_1_13 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L105] RET assume_abort_if_not(var_1_13 <= 32767) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L106] var_1_18 = __VERIFIER_nondet_char() [L107] CALL assume_abort_if_not(var_1_18 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L107] RET assume_abort_if_not(var_1_18 >= -1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L108] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L108] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L109] var_1_19 = __VERIFIER_nondet_char() [L110] CALL assume_abort_if_not(var_1_19 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L110] RET assume_abort_if_not(var_1_19 >= -1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L111] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L111] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L112] var_1_20 = __VERIFIER_nondet_char() [L113] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L113] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L114] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L114] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L115] var_1_21 = __VERIFIER_nondet_char() [L116] CALL assume_abort_if_not(var_1_21 >= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L116] RET assume_abort_if_not(var_1_21 >= 31) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L117] CALL assume_abort_if_not(var_1_21 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L117] RET assume_abort_if_not(var_1_21 <= 63) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L118] var_1_22 = __VERIFIER_nondet_char() [L119] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L119] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L120] CALL assume_abort_if_not(var_1_22 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L120] RET assume_abort_if_not(var_1_22 <= 31) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L121] var_1_25 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L122] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L123] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L123] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L124] var_1_28 = __VERIFIER_nondet_double() [L125] CALL assume_abort_if_not((var_1_28 >= -230584.3009213691390e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 2305843.009213691390e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L125] RET assume_abort_if_not((var_1_28 >= -230584.3009213691390e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 2305843.009213691390e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L126] var_1_29 = __VERIFIER_nondet_double() [L127] CALL assume_abort_if_not((var_1_29 >= -230584.3009213691390e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 2305843.009213691390e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L127] RET assume_abort_if_not((var_1_29 >= -230584.3009213691390e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 2305843.009213691390e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=19/2, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L128] var_1_30 = __VERIFIER_nondet_double() [L129] CALL assume_abort_if_not((var_1_30 >= -461168.6018427382800e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L129] RET assume_abort_if_not((var_1_30 >= -461168.6018427382800e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L143] RET updateVariables() [L144] CALL step() [L48] COND FALSE !((- last_1_var_1_9) < (last_1_var_1_9 + -500)) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=50, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L51] var_1_17 = (((((var_1_18) < (var_1_19)) ? (var_1_18) : (var_1_19))) - (var_1_20 + (var_1_21 - var_1_22))) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=-96, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L52] COND TRUE \read(var_1_4) [L53] var_1_24 = (! var_1_25) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=-96, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L57] var_1_31 = var_1_30 VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=-96, var_1_18=-1, var_1_19=0, var_1_1=16, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=2147532804, var_1_31=2147532804, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L58] COND FALSE !(var_1_23 < var_1_23) [L69] var_1_1 = var_1_8 VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=-96, var_1_18=-1, var_1_19=0, var_1_1=126, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=2147532804, var_1_31=2147532804, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L71] signed char stepLocal_0 = var_1_1; VAL [isInitial=1, last_1_var_1_9=4, stepLocal_0=126, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=-96, var_1_18=-1, var_1_19=0, var_1_1=126, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=2147532804, var_1_31=2147532804, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=4] [L72] COND FALSE !(stepLocal_0 < (-1 - var_1_10)) [L79] var_1_9 = var_1_13 VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=-96, var_1_18=-1, var_1_19=0, var_1_1=126, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=2147532804, var_1_31=2147532804, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=-32769] [L81] COND FALSE !(var_1_9 < (var_1_21 + var_1_23)) [L84] var_1_27 = var_1_28 VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=-96, var_1_18=-1, var_1_19=0, var_1_1=126, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=2147532803, var_1_28=2147532803, var_1_30=2147532804, var_1_31=2147532804, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=-32769] [L144] RET step() [L145] CALL, EXPR property() [L135-L136] return (((((((var_1_23 < var_1_23) ? ((var_1_24 && var_1_24) ? (var_1_24 ? ((var_1_24 && (var_1_24 || var_1_24)) ? (var_1_1 == ((signed char) -5)) : 1) : 1) : (var_1_1 == ((signed char) var_1_8))) : (var_1_1 == ((signed char) var_1_8))) && ((var_1_1 < (-1 - var_1_10)) ? (var_1_24 ? (var_1_9 == ((unsigned short int) (var_1_10 + ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))))) : (var_1_9 == ((unsigned short int) ((var_1_12 - var_1_10) - ((var_1_13 - var_1_23) - ((((var_1_23) < (var_1_23)) ? (var_1_23) : (var_1_23)))))))) : (var_1_9 == ((unsigned short int) var_1_13)))) && (var_1_17 == ((signed char) (((((var_1_18) < (var_1_19)) ? (var_1_18) : (var_1_19))) - (var_1_20 + (var_1_21 - var_1_22)))))) && (((- last_1_var_1_9) < (last_1_var_1_9 + -500)) ? (var_1_23 == ((unsigned char) var_1_20)) : 1)) && (var_1_4 ? (var_1_24 == ((unsigned char) (! var_1_25))) : (var_1_24 == ((unsigned char) (var_1_6 && ((var_1_10 >= var_1_17) && var_1_25)))))) && ((var_1_9 < (var_1_21 + var_1_23)) ? (var_1_27 == ((double) ((var_1_28 + var_1_29) + var_1_30))) : (var_1_27 == ((double) var_1_28)))) && (var_1_31 == ((float) var_1_30)) ; VAL [\result=0, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=-96, var_1_18=-1, var_1_19=0, var_1_1=126, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=2147532803, var_1_28=2147532803, var_1_30=2147532804, var_1_31=2147532804, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=-32769] [L145] RET, EXPR property() [L145] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=-96, var_1_18=-1, var_1_19=0, var_1_1=126, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=2147532803, var_1_28=2147532803, var_1_30=2147532804, var_1_31=2147532804, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=-32769] [L19] reach_error() VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=2147532798, var_1_13=-32769, var_1_17=-96, var_1_18=-1, var_1_19=0, var_1_1=126, var_1_20=63, var_1_21=63, var_1_22=31, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=2147532803, var_1_28=2147532803, var_1_30=2147532804, var_1_31=2147532804, var_1_4=1, var_1_6=1, var_1_8=126, var_1_9=-32769] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.6s, OverallIterations: 4, TraceHistogramMax: 27, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 552 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 540 mSDsluCounter, 910 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 600 mSDsCounter, 614 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 911 IncrementalHoareTripleChecker+Invalid, 1525 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 614 mSolverCounterUnsat, 310 mSDtfsCounter, 911 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 590 GetRequests, 504 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2230 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=364occurred in iteration=3, InterpolantAutomatonStates: 82, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 53 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 1002 NumberOfCodeBlocks, 1002 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 996 ConstructedInterpolants, 0 QuantifiedInterpolants, 3522 SizeOfPredicates, 6 NumberOfNonLiveVariables, 740 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 8150/8424 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 01:18:29,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/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_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/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_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/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_e224a718-a342-4410-9e69-84aa6e021ed5/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 bc4343435e8b0f90e9fafca790203e82878241d49cdad6f8cc3fc03787f7fe2b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:18:32,624 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:18:32,765 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 01:18:32,777 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:18:32,780 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:18:32,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:18:32,816 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:18:32,816 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:18:32,817 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:18:32,818 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:18:32,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:18:32,819 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:18:32,819 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:18:32,819 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:18:32,820 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:18:32,820 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:18:32,820 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:18:32,820 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:18:32,820 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:18:32,820 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:18:32,820 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:18:32,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:18:32,820 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:18:32,820 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 01:18:32,820 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 01:18:32,821 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 01:18:32,821 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:18:32,821 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:18:32,821 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:18:32,821 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:18:32,821 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:18:32,821 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:18:32,821 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:18:32,821 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:18:32,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:18:32,821 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:18:32,822 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:18:32,822 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:18:32,822 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:18:32,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:18:32,822 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:18:32,822 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:18:32,822 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:18:32,822 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:18:32,822 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 01:18:32,822 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 01:18:32,824 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:18:32,824 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:18:32,824 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:18:32,825 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:18:32,825 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_e224a718-a342-4410-9e69-84aa6e021ed5/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 -> bc4343435e8b0f90e9fafca790203e82878241d49cdad6f8cc3fc03787f7fe2b [2024-11-24 01:18:33,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:18:33,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:18:33,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:18:33,205 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:18:33,206 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:18:33,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-96.i [2024-11-24 01:18:36,334 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/data/f77d26ea2/be0539cb3a124e198112204c226b1cdb/FLAG2276d112d [2024-11-24 01:18:36,670 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:18:36,671 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-96.i [2024-11-24 01:18:36,685 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/data/f77d26ea2/be0539cb3a124e198112204c226b1cdb/FLAG2276d112d [2024-11-24 01:18:36,715 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/data/f77d26ea2/be0539cb3a124e198112204c226b1cdb [2024-11-24 01:18:36,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:18:36,721 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:18:36,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:18:36,723 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:18:36,728 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:18:36,729 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:18:36" (1/1) ... [2024-11-24 01:18:36,730 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@129a3fa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:36, skipping insertion in model container [2024-11-24 01:18:36,731 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:18:36" (1/1) ... [2024-11-24 01:18:36,760 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:18:36,951 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_e224a718-a342-4410-9e69-84aa6e021ed5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-96.i[915,928] [2024-11-24 01:18:37,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:18:37,072 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:18:37,086 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_e224a718-a342-4410-9e69-84aa6e021ed5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-96.i[915,928] [2024-11-24 01:18:37,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:18:37,152 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:18:37,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:37 WrapperNode [2024-11-24 01:18:37,153 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:18:37,154 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:18:37,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:18:37,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:18:37,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:37" (1/1) ... [2024-11-24 01:18:37,181 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:37" (1/1) ... [2024-11-24 01:18:37,220 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2024-11-24 01:18:37,221 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:18:37,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:18:37,222 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:18:37,222 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:18:37,233 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:37" (1/1) ... [2024-11-24 01:18:37,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:37" (1/1) ... [2024-11-24 01:18:37,237 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:37" (1/1) ... [2024-11-24 01:18:37,250 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 01:18:37,251 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:37" (1/1) ... [2024-11-24 01:18:37,251 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:37" (1/1) ... [2024-11-24 01:18:37,261 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:37" (1/1) ... [2024-11-24 01:18:37,262 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:37" (1/1) ... [2024-11-24 01:18:37,266 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:37" (1/1) ... [2024-11-24 01:18:37,269 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:37" (1/1) ... [2024-11-24 01:18:37,271 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:37" (1/1) ... [2024-11-24 01:18:37,274 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:18:37,275 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:18:37,275 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:18:37,276 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:18:37,277 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:37" (1/1) ... [2024-11-24 01:18:37,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:18:37,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:18:37,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:18:37,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:18:37,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:18:37,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 01:18:37,355 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:18:37,355 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:18:37,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:18:37,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:18:37,460 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:18:37,462 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:18:41,940 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-24 01:18:41,940 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:18:41,952 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:18:41,953 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:18:41,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:18:41 BoogieIcfgContainer [2024-11-24 01:18:41,953 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:18:41,957 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:18:41,957 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:18:41,982 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:18:41,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:18:36" (1/3) ... [2024-11-24 01:18:41,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ecd5354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:18:41, skipping insertion in model container [2024-11-24 01:18:41,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:37" (2/3) ... [2024-11-24 01:18:41,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ecd5354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:18:41, skipping insertion in model container [2024-11-24 01:18:41,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:18:41" (3/3) ... [2024-11-24 01:18:41,987 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-96.i [2024-11-24 01:18:42,004 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:18:42,008 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-96.i that has 2 procedures, 73 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:18:42,096 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:18:42,116 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;@44855f3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:18:42,116 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:18:42,122 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 44 states have internal predecessors, (57), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 01:18:42,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-24 01:18:42,137 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:42,138 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:18:42,139 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:18:42,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:42,145 INFO L85 PathProgramCache]: Analyzing trace with hash 2110557727, now seen corresponding path program 1 times [2024-11-24 01:18:42,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:18:42,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [719124087] [2024-11-24 01:18:42,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:42,160 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:18:42,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:18:42,165 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:18:42,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-24 01:18:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:42,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:18:42,603 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:18:42,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 584 proven. 0 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2024-11-24 01:18:42,663 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:18:42,664 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:18:42,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [719124087] [2024-11-24 01:18:42,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [719124087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:42,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:42,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:18:42,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427633702] [2024-11-24 01:18:42,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:42,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:18:42,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:18:42,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:18:42,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:18:42,693 INFO L87 Difference]: Start difference. First operand has 73 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 44 states have internal predecessors, (57), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-24 01:18:42,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:42,725 INFO L93 Difference]: Finished difference Result 136 states and 237 transitions. [2024-11-24 01:18:42,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:18:42,727 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 167 [2024-11-24 01:18:42,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:42,736 INFO L225 Difference]: With dead ends: 136 [2024-11-24 01:18:42,737 INFO L226 Difference]: Without dead ends: 66 [2024-11-24 01:18:42,744 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:18:42,749 INFO L435 NwaCegarLoop]: 97 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, 97 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:42,753 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:18:42,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-24 01:18:42,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-24 01:18:42,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 37 states have (on average 1.162162162162162) internal successors, (43), 37 states have internal predecessors, (43), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 01:18:42,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 97 transitions. [2024-11-24 01:18:42,809 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 97 transitions. Word has length 167 [2024-11-24 01:18:42,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:42,809 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 97 transitions. [2024-11-24 01:18:42,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-24 01:18:42,810 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 97 transitions. [2024-11-24 01:18:42,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-24 01:18:42,814 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:42,815 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:18:42,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-24 01:18:43,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:18:43,016 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:18:43,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:43,017 INFO L85 PathProgramCache]: Analyzing trace with hash 296320473, now seen corresponding path program 1 times [2024-11-24 01:18:43,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:18:43,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [667853224] [2024-11-24 01:18:43,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:43,018 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:18:43,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:18:43,020 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:18:43,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-24 01:18:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:43,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:18:43,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:18:44,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-24 01:18:44,690 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:18:44,690 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:18:44,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [667853224] [2024-11-24 01:18:44,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [667853224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:44,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:44,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:18:44,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822594221] [2024-11-24 01:18:44,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:44,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:18:44,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:18:44,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:18:44,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:18:44,700 INFO L87 Difference]: Start difference. First operand 66 states and 97 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-24 01:18:46,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:18:47,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:18:50,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:18:50,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:50,930 INFO L93 Difference]: Finished difference Result 193 states and 286 transitions. [2024-11-24 01:18:50,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:18:50,948 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 167 [2024-11-24 01:18:50,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:50,951 INFO L225 Difference]: With dead ends: 193 [2024-11-24 01:18:50,951 INFO L226 Difference]: Without dead ends: 130 [2024-11-24 01:18:50,952 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:18:50,953 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 49 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:50,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 271 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2024-11-24 01:18:50,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-24 01:18:50,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 115. [2024-11-24 01:18:50,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 58 states have (on average 1.103448275862069) internal successors, (64), 58 states have internal predecessors, (64), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-24 01:18:50,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 172 transitions. [2024-11-24 01:18:50,994 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 172 transitions. Word has length 167 [2024-11-24 01:18:50,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:50,995 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 172 transitions. [2024-11-24 01:18:50,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-24 01:18:50,996 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 172 transitions. [2024-11-24 01:18:50,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-24 01:18:50,999 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:50,999 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:18:51,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-24 01:18:51,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:18:51,200 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:18:51,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:51,200 INFO L85 PathProgramCache]: Analyzing trace with hash 554485911, now seen corresponding path program 1 times [2024-11-24 01:18:51,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:18:51,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [159487898] [2024-11-24 01:18:51,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:51,201 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:18:51,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:18:51,206 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:18:51,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-24 01:18:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:51,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 01:18:51,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:18:53,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 928 proven. 108 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-11-24 01:18:53,787 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:18:54,123 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:18:54,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [159487898] [2024-11-24 01:18:54,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [159487898] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:18:54,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [367508501] [2024-11-24 01:18:54,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:54,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 01:18:54,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 01:18:54,129 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 01:18:54,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-24 01:18:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:54,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 01:18:54,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:18:55,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 686 proven. 48 refuted. 0 times theorem prover too weak. 670 trivial. 0 not checked. [2024-11-24 01:18:55,631 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:18:55,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [367508501] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:18:55,947 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 01:18:55,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6] total 13 [2024-11-24 01:18:55,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779645899] [2024-11-24 01:18:55,947 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 01:18:55,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-24 01:18:55,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:18:55,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-24 01:18:55,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2024-11-24 01:18:55,954 INFO L87 Difference]: Start difference. First operand 115 states and 172 transitions. Second operand has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 4 states have call successors, (42), 4 states have call predecessors, (42), 7 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2024-11-24 01:18:58,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:19:01,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:19:03,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:19:03,255 INFO L93 Difference]: Finished difference Result 289 states and 398 transitions. [2024-11-24 01:19:03,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-24 01:19:03,257 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 4 states have call successors, (42), 4 states have call predecessors, (42), 7 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) Word has length 167 [2024-11-24 01:19:03,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:19:03,262 INFO L225 Difference]: With dead ends: 289 [2024-11-24 01:19:03,262 INFO L226 Difference]: Without dead ends: 226 [2024-11-24 01:19:03,264 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=351, Invalid=909, Unknown=0, NotChecked=0, Total=1260 [2024-11-24 01:19:03,265 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 146 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:19:03,266 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 385 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2024-11-24 01:19:03,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-24 01:19:03,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 207. [2024-11-24 01:19:03,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 112 states have (on average 1.0625) internal successors, (119), 113 states have internal predecessors, (119), 81 states have call successors, (81), 13 states have call predecessors, (81), 13 states have return successors, (81), 80 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-24 01:19:03,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 281 transitions. [2024-11-24 01:19:03,332 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 281 transitions. Word has length 167 [2024-11-24 01:19:03,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:19:03,336 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 281 transitions. [2024-11-24 01:19:03,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 4 states have call successors, (42), 4 states have call predecessors, (42), 7 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2024-11-24 01:19:03,337 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 281 transitions. [2024-11-24 01:19:03,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-24 01:19:03,343 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:19:03,344 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:19:03,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-24 01:19:03,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-24 01:19:03,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:19:03,745 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:19:03,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:19:03,746 INFO L85 PathProgramCache]: Analyzing trace with hash 556332953, now seen corresponding path program 1 times [2024-11-24 01:19:03,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:19:03,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [70276713] [2024-11-24 01:19:03,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:19:03,746 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:19:03,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:19:03,749 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:19:03,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e224a718-a342-4410-9e69-84aa6e021ed5/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 (6)] Waiting until timeout for monitored process [2024-11-24 01:19:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:19:04,082 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-24 01:19:04,088 INFO L279 TraceCheckSpWp]: Computing forward predicates...