./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-25.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB --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 a386daf80732c738b76a20e4179fce031e7d8acd0993c165e015b5df9ed7a991 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:57:50,651 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:57:50,750 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:57:50,756 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:57:50,756 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:57:50,778 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:57:50,779 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:57:50,779 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:57:50,780 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:57:50,780 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:57:50,780 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:57:50,780 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:57:50,780 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:57:50,780 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:57:50,780 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:57:50,781 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:57:50,781 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:57:50,781 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:57:50,781 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:57:50,781 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:57:50,781 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:57:50,781 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:57:50,781 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:57:50,782 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:57:50,782 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:57:50,782 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:57:50,782 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:57:50,782 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:57:50,782 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:57:50,782 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:57:50,782 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:57:50,782 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:57:50,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:57:50,783 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:57:50,783 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:57:50,783 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:57:50,783 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:57:50,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:57:50,783 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:57:50,783 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:57:50,783 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:57:50,783 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:57:50,783 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:57:50,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:57:50,784 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:57:50,784 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:57:50,784 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:57:50,784 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:57:50,784 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_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB 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 -> a386daf80732c738b76a20e4179fce031e7d8acd0993c165e015b5df9ed7a991 [2024-11-28 03:57:51,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:57:51,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:57:51,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:57:51,123 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:57:51,124 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:57:51,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-25.i [2024-11-28 03:57:54,416 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/data/2db136e91/78703d84aae4481fbfa4a5fa4701a5c2/FLAG597c66aaa [2024-11-28 03:57:54,665 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:57:54,666 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-25.i [2024-11-28 03:57:54,680 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/data/2db136e91/78703d84aae4481fbfa4a5fa4701a5c2/FLAG597c66aaa [2024-11-28 03:57:54,702 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/data/2db136e91/78703d84aae4481fbfa4a5fa4701a5c2 [2024-11-28 03:57:54,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:57:54,708 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:57:54,711 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:57:54,711 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:57:54,717 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:57:54,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:57:54" (1/1) ... [2024-11-28 03:57:54,719 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cb9316b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:54, skipping insertion in model container [2024-11-28 03:57:54,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:57:54" (1/1) ... [2024-11-28 03:57:54,752 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:57:54,952 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_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-25.i[919,932] [2024-11-28 03:57:55,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:57:55,066 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:57:55,084 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_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-25.i[919,932] [2024-11-28 03:57:55,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:57:55,168 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:57:55,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:55 WrapperNode [2024-11-28 03:57:55,170 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:57:55,171 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:57:55,172 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:57:55,172 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:57:55,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:55" (1/1) ... [2024-11-28 03:57:55,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:55" (1/1) ... [2024-11-28 03:57:55,252 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2024-11-28 03:57:55,253 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:57:55,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:57:55,253 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:57:55,254 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:57:55,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:55" (1/1) ... [2024-11-28 03:57:55,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:55" (1/1) ... [2024-11-28 03:57:55,272 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:55" (1/1) ... [2024-11-28 03:57:55,296 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]. [2024-11-28 03:57:55,296 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:55" (1/1) ... [2024-11-28 03:57:55,296 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:55" (1/1) ... [2024-11-28 03:57:55,303 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:55" (1/1) ... [2024-11-28 03:57:55,304 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:55" (1/1) ... [2024-11-28 03:57:55,308 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:55" (1/1) ... [2024-11-28 03:57:55,310 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:55" (1/1) ... [2024-11-28 03:57:55,312 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:55" (1/1) ... [2024-11-28 03:57:55,315 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:57:55,316 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:57:55,316 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:57:55,316 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:57:55,317 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:55" (1/1) ... [2024-11-28 03:57:55,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:57:55,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:57:55,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:57:55,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:57:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:57:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:57:55,397 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:57:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:57:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:57:55,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:57:55,509 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:57:55,512 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:57:55,938 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-28 03:57:55,938 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:57:55,950 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:57:55,950 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:57:55,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:57:55 BoogieIcfgContainer [2024-11-28 03:57:55,951 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:57:55,954 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:57:55,954 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:57:55,960 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:57:55,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:57:54" (1/3) ... [2024-11-28 03:57:55,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@751baf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:57:55, skipping insertion in model container [2024-11-28 03:57:55,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:55" (2/3) ... [2024-11-28 03:57:55,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@751baf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:57:55, skipping insertion in model container [2024-11-28 03:57:55,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:57:55" (3/3) ... [2024-11-28 03:57:55,963 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-25.i [2024-11-28 03:57:55,982 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:57:55,984 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_dependencies_file-25.i that has 2 procedures, 53 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:57:56,051 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:57:56,064 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;@7137e1eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:57:56,065 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:57:56,069 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 39 states have internal predecessors, (54), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 03:57:56,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-28 03:57:56,080 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:57:56,081 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:57:56,081 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:57:56,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:57:56,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1128161140, now seen corresponding path program 1 times [2024-11-28 03:57:56,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:57:56,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407342757] [2024-11-28 03:57:56,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:56,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:57:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:57:57,294 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:57:57,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:57:57,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407342757] [2024-11-28 03:57:57,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407342757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:57:57,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:57:57,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:57:57,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152775804] [2024-11-28 03:57:57,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:57:57,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:57:57,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:57:57,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:57:57,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:57:57,335 INFO L87 Difference]: Start difference. First operand has 53 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 39 states have internal predecessors, (54), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:57:57,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:57:57,568 INFO L93 Difference]: Finished difference Result 98 states and 160 transitions. [2024-11-28 03:57:57,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:57:57,572 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 86 [2024-11-28 03:57:57,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:57:57,582 INFO L225 Difference]: With dead ends: 98 [2024-11-28 03:57:57,582 INFO L226 Difference]: Without dead ends: 48 [2024-11-28 03:57:57,588 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 [2024-11-28 03:57:57,593 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 67 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:57:57,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 58 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:57:57,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-28 03:57:57,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-28 03:57:57,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 34 states have internal predecessors, (41), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 03:57:57,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2024-11-28 03:57:57,661 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 86 [2024-11-28 03:57:57,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:57:57,664 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2024-11-28 03:57:57,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:57:57,664 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2024-11-28 03:57:57,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-28 03:57:57,669 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:57:57,669 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:57:57,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:57:57,669 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:57:57,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:57:57,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1429966988, now seen corresponding path program 1 times [2024-11-28 03:57:57,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:57:57,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605829060] [2024-11-28 03:57:57,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:57,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:57:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:57:57,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [141083464] [2024-11-28 03:57:57,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:57,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:57:57,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:57:57,799 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:57:57,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:57:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:57:57,996 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:57:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:57:58,138 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:57:58,139 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:57:58,140 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:57:58,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:57:58,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:57:58,347 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-28 03:57:58,449 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:57:58,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:57:58 BoogieIcfgContainer [2024-11-28 03:57:58,453 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:57:58,454 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:57:58,454 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:57:58,454 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:57:58,455 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:57:55" (3/4) ... [2024-11-28 03:57:58,462 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:57:58,463 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:57:58,467 INFO L158 Benchmark]: Toolchain (without parser) took 3760.50ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 42.6MB in the end (delta: 74.5MB). Peak memory consumption was 73.2MB. Max. memory is 16.1GB. [2024-11-28 03:57:58,467 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:57:58,468 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.76ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 103.5MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:57:58,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.44ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 101.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:57:58,468 INFO L158 Benchmark]: Boogie Preprocessor took 61.65ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 97.1MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:57:58,469 INFO L158 Benchmark]: RCFGBuilder took 635.29ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 79.7MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:57:58,469 INFO L158 Benchmark]: TraceAbstraction took 2499.43ms. Allocated memory is still 142.6MB. Free memory was 79.0MB in the beginning and 42.6MB in the end (delta: 36.4MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2024-11-28 03:57:58,469 INFO L158 Benchmark]: Witness Printer took 12.22ms. Allocated memory is still 142.6MB. Free memory was 42.6MB in the beginning and 42.6MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:57:58,474 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 459.76ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 103.5MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.44ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 101.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 61.65ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 97.1MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 635.29ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 79.7MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2499.43ms. Allocated memory is still 142.6MB. Free memory was 79.0MB in the beginning and 42.6MB in the end (delta: 36.4MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * Witness Printer took 12.22ms. Allocated memory is still 142.6MB. Free memory was 42.6MB in the beginning and 42.6MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 112, overapproximation of someBinaryFLOATComparisonOperation at line 77, overapproximation of someBinaryFLOATComparisonOperation at line 104, overapproximation of someBinaryFLOATComparisonOperation at line 125, overapproximation of someBinaryFLOATComparisonOperation at line 106, overapproximation of someBinaryDOUBLEComparisonOperation at line 125, overapproximation of someBinaryDOUBLEComparisonOperation at line 76, overapproximation of someBinaryDOUBLEComparisonOperation at line 88, overapproximation of someBinaryDOUBLEComparisonOperation at line 59, overapproximation of someBinaryDOUBLEComparisonOperation at line 97, overapproximation of someBinaryDOUBLEComparisonOperation at line 99. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -256; [L23] signed short int var_1_5 = -256; [L24] double var_1_7 = 256.25; [L25] double var_1_8 = 127.8; [L26] unsigned char var_1_10 = 0; [L27] unsigned char var_1_11 = 0; [L28] float var_1_12 = 999.75; [L29] float var_1_13 = 64.5; [L30] float var_1_14 = 127.25; [L31] signed char var_1_15 = -32; [L32] float var_1_16 = 32.7; [L33] unsigned char var_1_17 = 16; [L34] unsigned char var_1_18 = 32; [L35] unsigned short int var_1_19 = 5; [L36] signed long int var_1_21 = 100; [L37] signed short int var_1_22 = 50; [L38] double var_1_23 = 1000000.75; [L39] signed long int last_1_var_1_1 = -256; [L40] signed short int last_1_var_1_5 = -256; [L41] unsigned char last_1_var_1_10 = 0; [L42] unsigned short int last_1_var_1_19 = 5; [L43] signed short int last_1_var_1_22 = 50; VAL [isInitial=0, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256, var_1_7=1025/4, var_1_8=639/5] [L129] isInitial = 1 [L130] FCALL initially() [L132] CALL updateLastVariables() [L118] last_1_var_1_1 = var_1_1 [L119] last_1_var_1_5 = var_1_5 [L120] last_1_var_1_10 = var_1_10 [L121] last_1_var_1_19 = var_1_19 [L122] last_1_var_1_22 = var_1_22 VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256, var_1_7=1025/4, var_1_8=639/5] [L132] RET updateLastVariables() [L133] CALL updateVariables() [L96] var_1_7 = __VERIFIER_nondet_double() [L97] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256, var_1_8=639/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256, var_1_8=639/5] [L97] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256, var_1_8=639/5] [L98] var_1_8 = __VERIFIER_nondet_double() [L99] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L99] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L100] var_1_11 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L101] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L102] CALL assume_abort_if_not(var_1_11 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L102] RET assume_abort_if_not(var_1_11 <= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L103] var_1_13 = __VERIFIER_nondet_float() [L104] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L104] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L105] var_1_14 = __VERIFIER_nondet_float() [L106] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L106] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L107] var_1_15 = __VERIFIER_nondet_char() [L108] CALL assume_abort_if_not(var_1_15 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L108] RET assume_abort_if_not(var_1_15 >= -128) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L109] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L109] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L110] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L110] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L111] var_1_16 = __VERIFIER_nondet_float() [L112] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L112] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L113] var_1_18 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L114] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L115] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L115] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L133] RET updateVariables() [L134] CALL step() [L47] COND FALSE !(last_1_var_1_10 && (last_1_var_1_5 >= last_1_var_1_1)) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L52] COND TRUE last_1_var_1_1 >= last_1_var_1_5 [L53] var_1_1 = last_1_var_1_5 VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L58] var_1_10 = (last_1_var_1_10 && var_1_11) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L59] COND FALSE !(var_1_8 != ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_5=-256] [L64] var_1_22 = last_1_var_1_22 [L65] var_1_23 = var_1_14 VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_14=2, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=2, var_1_5=-256] [L66] COND TRUE var_1_22 < var_1_18 [L67] var_1_19 = last_1_var_1_19 VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_14=2, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=2, var_1_5=-256] [L75] var_1_21 = var_1_22 VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_14=2, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=50, var_1_22=50, var_1_23=2, var_1_5=-256] [L76] COND TRUE ! (var_1_23 <= var_1_7) [L77] var_1_12 = ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14))) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3, var_1_13=3, var_1_14=2, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=50, var_1_22=50, var_1_23=2, var_1_5=-256] [L85] COND FALSE !(var_1_10 && var_1_10) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3, var_1_13=3, var_1_14=2, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=50, var_1_22=50, var_1_23=2, var_1_5=-256] [L88] COND TRUE (var_1_7 - var_1_8) > var_1_12 [L89] var_1_5 = var_1_19 VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3, var_1_13=3, var_1_14=2, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=50, var_1_22=50, var_1_23=2, var_1_5=5] [L134] RET step() [L135] CALL, EXPR property() [L125-L126] return (((((((((last_1_var_1_10 && (last_1_var_1_5 >= last_1_var_1_1)) ? ((256 != last_1_var_1_5) ? (var_1_1 == ((signed long int) (last_1_var_1_1 + last_1_var_1_5))) : 1) : ((last_1_var_1_1 >= last_1_var_1_5) ? (var_1_1 == ((signed long int) last_1_var_1_5)) : (var_1_1 == ((signed long int) last_1_var_1_1)))) && ((var_1_10 && var_1_10) ? (var_1_5 == ((signed short int) ((((var_1_19) < (-100)) ? (var_1_19) : (-100))))) : (((var_1_7 - var_1_8) > var_1_12) ? (var_1_5 == ((signed short int) var_1_19)) : (var_1_5 == ((signed short int) var_1_19))))) && (var_1_10 == ((unsigned char) (last_1_var_1_10 && var_1_11)))) && ((! (var_1_23 <= var_1_7)) ? (var_1_12 == ((float) ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14))))) : (((((((var_1_1) > (var_1_17)) ? (var_1_1) : (var_1_17))) / var_1_15) < var_1_19) ? (var_1_12 == ((float) var_1_13)) : (var_1_12 == ((float) (var_1_16 + 49.6f)))))) && ((var_1_8 != ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))) ? (var_1_10 ? (var_1_17 == ((unsigned char) var_1_18)) : 1) : 1)) && ((var_1_22 < var_1_18) ? (var_1_19 == ((unsigned short int) last_1_var_1_19)) : (((var_1_10 || var_1_10) || var_1_10) ? (var_1_19 == ((unsigned short int) last_1_var_1_19)) : (var_1_19 == ((unsigned short int) var_1_22))))) && (var_1_21 == ((signed long int) var_1_22))) && (var_1_22 == ((signed short int) last_1_var_1_22))) && (var_1_23 == ((double) var_1_14)) ; VAL [\result=0, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3, var_1_13=3, var_1_14=2, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=50, var_1_22=50, var_1_23=2, var_1_5=5] [L135] RET, EXPR property() [L135] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3, var_1_13=3, var_1_14=2, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=50, var_1_22=50, var_1_23=2, var_1_5=5] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3, var_1_13=3, var_1_14=2, var_1_15=15, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=50, var_1_22=50, var_1_23=2, var_1_5=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 2, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 67 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 67 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 58 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 85 ConstructedInterpolants, 0 QuantifiedInterpolants, 267 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 264/264 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 [2024-11-28 03:57:58,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/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_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB --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 a386daf80732c738b76a20e4179fce031e7d8acd0993c165e015b5df9ed7a991 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:58:01,420 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:58:01,576 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 03:58:01,587 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:58:01,587 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:58:01,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:58:01,638 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:58:01,638 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:58:01,638 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:58:01,638 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:58:01,639 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:58:01,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:58:01,640 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:58:01,641 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:58:01,642 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:58:01,642 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:58:01,642 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:58:01,643 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:58:01,643 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:58:01,643 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:58:01,643 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:58:01,643 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:58:01,644 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:58:01,644 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:58:01,644 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:58:01,644 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:58:01,644 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:58:01,644 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:58:01,644 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:58:01,644 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:58:01,645 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:58:01,645 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:58:01,645 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:58:01,645 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:58:01,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:58:01,646 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:58:01,646 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:58:01,646 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:58:01,646 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:58:01,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:58:01,646 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:58:01,647 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:58:01,647 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:58:01,647 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:58:01,647 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:58:01,647 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:58:01,647 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:58:01,647 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:58:01,647 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:58:01,647 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:58:01,647 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_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB 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 -> a386daf80732c738b76a20e4179fce031e7d8acd0993c165e015b5df9ed7a991 [2024-11-28 03:58:02,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:58:02,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:58:02,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:58:02,037 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:58:02,038 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:58:02,039 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-25.i [2024-11-28 03:58:05,260 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/data/a256676de/0d4841e148214cf8b65edb63092b526b/FLAGb77b2a0b8 [2024-11-28 03:58:05,593 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:58:05,594 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-25.i [2024-11-28 03:58:05,607 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/data/a256676de/0d4841e148214cf8b65edb63092b526b/FLAGb77b2a0b8 [2024-11-28 03:58:05,864 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/data/a256676de/0d4841e148214cf8b65edb63092b526b [2024-11-28 03:58:05,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:58:05,870 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:58:05,872 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:58:05,872 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:58:05,878 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:58:05,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:58:05" (1/1) ... [2024-11-28 03:58:05,883 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@136e8a06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:05, skipping insertion in model container [2024-11-28 03:58:05,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:58:05" (1/1) ... [2024-11-28 03:58:05,908 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:58:06,103 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_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-25.i[919,932] [2024-11-28 03:58:06,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:58:06,194 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:58:06,211 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_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-25.i[919,932] [2024-11-28 03:58:06,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:58:06,289 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:58:06,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:06 WrapperNode [2024-11-28 03:58:06,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:58:06,293 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:58:06,293 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:58:06,293 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:58:06,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:06" (1/1) ... [2024-11-28 03:58:06,320 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:06" (1/1) ... [2024-11-28 03:58:06,362 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 124 [2024-11-28 03:58:06,362 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:58:06,363 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:58:06,363 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:58:06,363 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:58:06,380 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:06" (1/1) ... [2024-11-28 03:58:06,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:06" (1/1) ... [2024-11-28 03:58:06,385 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:06" (1/1) ... [2024-11-28 03:58:06,418 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]. [2024-11-28 03:58:06,419 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:06" (1/1) ... [2024-11-28 03:58:06,422 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:06" (1/1) ... [2024-11-28 03:58:06,443 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:06" (1/1) ... [2024-11-28 03:58:06,448 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:06" (1/1) ... [2024-11-28 03:58:06,456 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:06" (1/1) ... [2024-11-28 03:58:06,458 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:06" (1/1) ... [2024-11-28 03:58:06,460 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:06" (1/1) ... [2024-11-28 03:58:06,466 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:58:06,467 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:58:06,467 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:58:06,468 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:58:06,475 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:06" (1/1) ... [2024-11-28 03:58:06,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:58:06,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:58:06,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:58:06,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:58:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:58:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:58:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:58:06,563 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:58:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:58:06,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:58:06,660 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:58:06,664 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:58:08,618 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-28 03:58:08,618 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:58:08,627 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:58:08,628 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:58:08,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:58:08 BoogieIcfgContainer [2024-11-28 03:58:08,629 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:58:08,631 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:58:08,631 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:58:08,637 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:58:08,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:58:05" (1/3) ... [2024-11-28 03:58:08,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7399eb2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:58:08, skipping insertion in model container [2024-11-28 03:58:08,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:06" (2/3) ... [2024-11-28 03:58:08,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7399eb2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:58:08, skipping insertion in model container [2024-11-28 03:58:08,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:58:08" (3/3) ... [2024-11-28 03:58:08,640 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-25.i [2024-11-28 03:58:08,659 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:58:08,662 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_dependencies_file-25.i that has 2 procedures, 53 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:58:08,723 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:58:08,739 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;@4d2bbc7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:58:08,739 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:58:08,746 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 39 states have internal predecessors, (54), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 03:58:08,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-28 03:58:08,754 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:58:08,755 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:58:08,755 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:58:08,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:58:08,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1128161140, now seen corresponding path program 1 times [2024-11-28 03:58:08,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:58:08,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1194981803] [2024-11-28 03:58:08,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:58:08,773 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 [2024-11-28 03:58:08,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:58:08,775 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:58:08,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:58:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:58:09,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:58:09,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:58:09,658 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:58:09,659 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:58:09,663 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:58:09,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1194981803] [2024-11-28 03:58:09,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1194981803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:58:09,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:58:09,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:58:09,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952254267] [2024-11-28 03:58:09,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:58:09,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:58:09,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:58:09,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:58:09,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:58:09,702 INFO L87 Difference]: Start difference. First operand has 53 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 39 states have internal predecessors, (54), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:58:10,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:58:10,276 INFO L93 Difference]: Finished difference Result 98 states and 160 transitions. [2024-11-28 03:58:10,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:58:10,288 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 86 [2024-11-28 03:58:10,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:58:10,294 INFO L225 Difference]: With dead ends: 98 [2024-11-28 03:58:10,294 INFO L226 Difference]: Without dead ends: 48 [2024-11-28 03:58:10,298 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:58:10,301 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 64 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:58:10,302 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 58 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:58:10,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-28 03:58:10,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-28 03:58:10,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 34 states have internal predecessors, (41), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 03:58:10,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2024-11-28 03:58:10,352 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 86 [2024-11-28 03:58:10,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:58:10,354 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2024-11-28 03:58:10,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:58:10,355 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2024-11-28 03:58:10,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-28 03:58:10,357 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:58:10,358 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:58:10,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/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)] Forceful destruction successful, exit code 0 [2024-11-28 03:58:10,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:58:10,559 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:58:10,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:58:10,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1429966988, now seen corresponding path program 1 times [2024-11-28 03:58:10,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:58:10,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [44173514] [2024-11-28 03:58:10,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:58:10,561 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 [2024-11-28 03:58:10,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:58:10,566 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:58:10,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2c7a1c-e252-4ae2-b75f-71dee2e1c715/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:58:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:58:10,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-28 03:58:10,967 INFO L279 TraceCheckSpWp]: Computing forward predicates...