./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-35.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_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/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_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/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_6c218831-dadb-4394-90e4-713e715852df/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 fcbb8ac143b8a67ade9889ff8d88b7d2d6babdf5f8c61bca7ac82a80bc9d336c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:21:17,005 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:21:17,113 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:21:17,126 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:21:17,126 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:21:17,165 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:21:17,167 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:21:17,167 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:21:17,168 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:21:17,168 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:21:17,169 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:21:17,169 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:21:17,170 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:21:17,170 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:21:17,171 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:21:17,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:21:17,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:21:17,171 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:21:17,172 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:21:17,172 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:21:17,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:21:17,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:21:17,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:21:17,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:21:17,173 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:21:17,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:21:17,173 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:21:17,174 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:21:17,174 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:21:17,174 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:21:17,174 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:21:17,174 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:21:17,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:21:17,174 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:21:17,174 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:21:17,175 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:21:17,175 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:21:17,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:21:17,175 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:21:17,175 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:21:17,175 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:21:17,175 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:21:17,175 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:21:17,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:21:17,175 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:21:17,175 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:21:17,176 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:21:17,176 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:21:17,176 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_6c218831-dadb-4394-90e4-713e715852df/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 -> fcbb8ac143b8a67ade9889ff8d88b7d2d6babdf5f8c61bca7ac82a80bc9d336c [2024-11-28 04:21:17,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:21:17,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:21:17,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:21:17,581 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:21:17,582 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:21:17,583 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-35.i [2024-11-28 04:21:20,977 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/data/2a9986b92/4043ea2693cb41a3be5a14ce548361bc/FLAG92d73ab28 [2024-11-28 04:21:21,324 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:21:21,327 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-35.i [2024-11-28 04:21:21,341 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/data/2a9986b92/4043ea2693cb41a3be5a14ce548361bc/FLAG92d73ab28 [2024-11-28 04:21:21,366 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/data/2a9986b92/4043ea2693cb41a3be5a14ce548361bc [2024-11-28 04:21:21,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:21:21,372 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:21:21,376 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:21:21,376 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:21:21,383 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:21:21,384 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:21:21" (1/1) ... [2024-11-28 04:21:21,385 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5906c8d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:21, skipping insertion in model container [2024-11-28 04:21:21,385 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:21:21" (1/1) ... [2024-11-28 04:21:21,419 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:21:21,634 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_6c218831-dadb-4394-90e4-713e715852df/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-35.i[915,928] [2024-11-28 04:21:21,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:21:21,780 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:21:21,797 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_6c218831-dadb-4394-90e4-713e715852df/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-35.i[915,928] [2024-11-28 04:21:21,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:21:21,900 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:21:21,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:21 WrapperNode [2024-11-28 04:21:21,904 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:21:21,906 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:21:21,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:21:21,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:21:21,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:21" (1/1) ... [2024-11-28 04:21:21,932 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:21" (1/1) ... [2024-11-28 04:21:21,971 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 173 [2024-11-28 04:21:21,972 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:21:21,973 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:21:21,973 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:21:21,973 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:21:21,989 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:21" (1/1) ... [2024-11-28 04:21:21,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:21" (1/1) ... [2024-11-28 04:21:21,993 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:21" (1/1) ... [2024-11-28 04:21:22,017 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 04:21:22,017 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:21" (1/1) ... [2024-11-28 04:21:22,018 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:21" (1/1) ... [2024-11-28 04:21:22,031 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:21" (1/1) ... [2024-11-28 04:21:22,032 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:21" (1/1) ... [2024-11-28 04:21:22,037 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:21" (1/1) ... [2024-11-28 04:21:22,039 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:21" (1/1) ... [2024-11-28 04:21:22,040 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:21" (1/1) ... [2024-11-28 04:21:22,048 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:21:22,049 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:21:22,049 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:21:22,049 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:21:22,050 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:21" (1/1) ... [2024-11-28 04:21:22,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:21:22,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:21:22,094 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:21:22,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:21:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:21:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:21:22,135 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:21:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:21:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:21:22,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:21:22,260 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:21:22,264 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:21:22,771 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-28 04:21:22,771 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:21:22,789 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:21:22,793 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 04:21:22,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:21:22 BoogieIcfgContainer [2024-11-28 04:21:22,794 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:21:22,802 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:21:22,802 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:21:22,810 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:21:22,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:21:21" (1/3) ... [2024-11-28 04:21:22,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d93a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:21:22, skipping insertion in model container [2024-11-28 04:21:22,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:21" (2/3) ... [2024-11-28 04:21:22,813 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d93a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:21:22, skipping insertion in model container [2024-11-28 04:21:22,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:21:22" (3/3) ... [2024-11-28 04:21:22,816 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-35.i [2024-11-28 04:21:22,837 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:21:22,839 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-1loop_file-35.i that has 2 procedures, 73 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:21:22,935 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:21:22,977 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;@4f1b15f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:21:22,977 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:21:22,983 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 50 states have (on average 1.34) internal successors, (67), 51 states have internal predecessors, (67), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 04:21:23,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 04:21:23,000 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:21:23,002 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:21:23,002 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:21:23,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:23,012 INFO L85 PathProgramCache]: Analyzing trace with hash 573419347, now seen corresponding path program 1 times [2024-11-28 04:21:23,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:21:23,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824241066] [2024-11-28 04:21:23,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:23,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:21:23,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:21:23,495 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-28 04:21:23,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:21:23,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824241066] [2024-11-28 04:21:23,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824241066] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:21:23,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314943575] [2024-11-28 04:21:23,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:23,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:21:23,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:21:23,500 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:21:23,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:21:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:21:23,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:21:23,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:21:23,882 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-28 04:21:23,882 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:21:23,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1314943575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:21:23,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:21:23,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:21:23,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669424036] [2024-11-28 04:21:23,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:21:23,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:21:23,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:21:23,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:21:23,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:21:23,916 INFO L87 Difference]: Start difference. First operand has 73 states, 50 states have (on average 1.34) internal successors, (67), 51 states have internal predecessors, (67), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 04:21:23,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:21:23,948 INFO L93 Difference]: Finished difference Result 143 states and 231 transitions. [2024-11-28 04:21:23,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:21:23,951 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 137 [2024-11-28 04:21:23,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:21:23,961 INFO L225 Difference]: With dead ends: 143 [2024-11-28 04:21:23,961 INFO L226 Difference]: Without dead ends: 69 [2024-11-28 04:21:23,966 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:21:23,973 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:21:23,974 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:21:23,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-28 04:21:24,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-28 04:21:24,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 47 states have internal predecessors, (60), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 04:21:24,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 100 transitions. [2024-11-28 04:21:24,053 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 100 transitions. Word has length 137 [2024-11-28 04:21:24,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:21:24,054 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 100 transitions. [2024-11-28 04:21:24,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 04:21:24,055 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions. [2024-11-28 04:21:24,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 04:21:24,060 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:21:24,060 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:21:24,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 04:21:24,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 04:21:24,261 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:21:24,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:24,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1417845925, now seen corresponding path program 1 times [2024-11-28 04:21:24,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:21:24,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436691003] [2024-11-28 04:21:24,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:24,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:21:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:21:25,204 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 04:21:25,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:21:25,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436691003] [2024-11-28 04:21:25,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436691003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:21:25,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:21:25,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:21:25,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905326023] [2024-11-28 04:21:25,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:21:25,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:21:25,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:21:25,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:21:25,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:21:25,214 INFO L87 Difference]: Start difference. First operand 69 states and 100 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:21:25,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:21:25,576 INFO L93 Difference]: Finished difference Result 222 states and 322 transitions. [2024-11-28 04:21:25,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:21:25,577 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 137 [2024-11-28 04:21:25,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:21:25,580 INFO L225 Difference]: With dead ends: 222 [2024-11-28 04:21:25,580 INFO L226 Difference]: Without dead ends: 156 [2024-11-28 04:21:25,584 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:21:25,585 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 121 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:21:25,587 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 321 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:21:25,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-28 04:21:25,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 133. [2024-11-28 04:21:25,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 90 states have (on average 1.2777777777777777) internal successors, (115), 90 states have internal predecessors, (115), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 04:21:25,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 195 transitions. [2024-11-28 04:21:25,646 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 195 transitions. Word has length 137 [2024-11-28 04:21:25,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:21:25,647 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 195 transitions. [2024-11-28 04:21:25,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:21:25,648 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 195 transitions. [2024-11-28 04:21:25,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 04:21:25,650 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:21:25,650 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:21:25,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:21:25,654 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:21:25,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:25,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1897742408, now seen corresponding path program 1 times [2024-11-28 04:21:25,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:21:25,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065372166] [2024-11-28 04:21:25,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:25,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:21:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:21:26,393 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 04:21:26,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:21:26,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065372166] [2024-11-28 04:21:26,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065372166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:21:26,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:21:26,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:21:26,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389571014] [2024-11-28 04:21:26,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:21:26,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:21:26,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:21:26,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:21:26,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:21:26,399 INFO L87 Difference]: Start difference. First operand 133 states and 195 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:21:26,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:21:26,688 INFO L93 Difference]: Finished difference Result 423 states and 618 transitions. [2024-11-28 04:21:26,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:21:26,689 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 138 [2024-11-28 04:21:26,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:21:26,698 INFO L225 Difference]: With dead ends: 423 [2024-11-28 04:21:26,698 INFO L226 Difference]: Without dead ends: 293 [2024-11-28 04:21:26,699 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 04:21:26,700 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 98 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:21:26,703 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 300 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:21:26,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-28 04:21:26,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 261. [2024-11-28 04:21:26,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 176 states have (on average 1.2727272727272727) internal successors, (224), 176 states have internal predecessors, (224), 80 states have call successors, (80), 4 states have call predecessors, (80), 4 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-28 04:21:26,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 384 transitions. [2024-11-28 04:21:26,813 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 384 transitions. Word has length 138 [2024-11-28 04:21:26,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:21:26,813 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 384 transitions. [2024-11-28 04:21:26,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:21:26,814 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 384 transitions. [2024-11-28 04:21:26,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 04:21:26,816 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:21:26,817 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:21:26,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:21:26,817 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:21:26,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:26,818 INFO L85 PathProgramCache]: Analyzing trace with hash 208798666, now seen corresponding path program 1 times [2024-11-28 04:21:26,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:21:26,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455040389] [2024-11-28 04:21:26,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:26,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:21:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:21:27,426 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 04:21:27,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:21:27,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455040389] [2024-11-28 04:21:27,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455040389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:21:27,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:21:27,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:21:27,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803055770] [2024-11-28 04:21:27,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:21:27,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:21:27,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:21:27,431 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:21:27,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:21:27,431 INFO L87 Difference]: Start difference. First operand 261 states and 384 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:21:27,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:21:27,960 INFO L93 Difference]: Finished difference Result 675 states and 970 transitions. [2024-11-28 04:21:27,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:21:27,962 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 138 [2024-11-28 04:21:27,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:21:27,973 INFO L225 Difference]: With dead ends: 675 [2024-11-28 04:21:27,973 INFO L226 Difference]: Without dead ends: 545 [2024-11-28 04:21:27,975 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:21:27,977 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 111 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:21:27,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 373 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:21:27,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2024-11-28 04:21:28,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 417. [2024-11-28 04:21:28,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 300 states have (on average 1.2933333333333332) internal successors, (388), 304 states have internal predecessors, (388), 108 states have call successors, (108), 8 states have call predecessors, (108), 8 states have return successors, (108), 104 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-28 04:21:28,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 604 transitions. [2024-11-28 04:21:28,108 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 604 transitions. Word has length 138 [2024-11-28 04:21:28,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:21:28,113 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 604 transitions. [2024-11-28 04:21:28,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:21:28,113 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 604 transitions. [2024-11-28 04:21:28,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 04:21:28,116 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:21:28,120 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:21:28,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:21:28,122 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:21:28,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:28,123 INFO L85 PathProgramCache]: Analyzing trace with hash 888857036, now seen corresponding path program 1 times [2024-11-28 04:21:28,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:21:28,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451287157] [2024-11-28 04:21:28,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:28,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:21:28,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:21:28,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [91241747] [2024-11-28 04:21:28,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:28,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:21:28,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:21:28,311 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:21:28,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:21:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:21:28,552 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:21:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:21:28,778 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 04:21:28,779 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 04:21:28,780 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 04:21:28,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 04:21:28,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:21:28,988 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-28 04:21:29,162 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:21:29,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:21:29 BoogieIcfgContainer [2024-11-28 04:21:29,170 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:21:29,171 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:21:29,172 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:21:29,172 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:21:29,173 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:21:22" (3/4) ... [2024-11-28 04:21:29,175 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:21:29,178 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:21:29,180 INFO L158 Benchmark]: Toolchain (without parser) took 7807.40ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 83.5MB in the beginning and 68.5MB in the end (delta: 15.0MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2024-11-28 04:21:29,181 INFO L158 Benchmark]: CDTParser took 1.88ms. Allocated memory is still 83.9MB. Free memory is still 39.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:21:29,182 INFO L158 Benchmark]: CACSL2BoogieTranslator took 530.08ms. Allocated memory is still 109.1MB. Free memory was 83.5MB in the beginning and 69.1MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:21:29,184 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.93ms. Allocated memory is still 109.1MB. Free memory was 68.9MB in the beginning and 66.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:21:29,184 INFO L158 Benchmark]: Boogie Preprocessor took 75.48ms. Allocated memory is still 109.1MB. Free memory was 66.4MB in the beginning and 63.1MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:21:29,185 INFO L158 Benchmark]: RCFGBuilder took 746.50ms. Allocated memory is still 109.1MB. Free memory was 63.1MB in the beginning and 43.2MB in the end (delta: 19.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 04:21:29,186 INFO L158 Benchmark]: TraceAbstraction took 6368.92ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 42.7MB in the beginning and 69.7MB in the end (delta: -27.0MB). Peak memory consumption was 49.6kB. Max. memory is 16.1GB. [2024-11-28 04:21:29,186 INFO L158 Benchmark]: Witness Printer took 7.36ms. Allocated memory is still 134.2MB. Free memory was 69.7MB in the beginning and 68.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:21:29,189 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.88ms. Allocated memory is still 83.9MB. Free memory is still 39.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 530.08ms. Allocated memory is still 109.1MB. Free memory was 83.5MB in the beginning and 69.1MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.93ms. Allocated memory is still 109.1MB. Free memory was 68.9MB in the beginning and 66.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 75.48ms. Allocated memory is still 109.1MB. Free memory was 66.4MB in the beginning and 63.1MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 746.50ms. Allocated memory is still 109.1MB. Free memory was 63.1MB in the beginning and 43.2MB in the end (delta: 19.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 6368.92ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 42.7MB in the beginning and 69.7MB in the end (delta: -27.0MB). Peak memory consumption was 49.6kB. Max. memory is 16.1GB. * Witness Printer took 7.36ms. Allocated memory is still 134.2MB. Free memory was 69.7MB in the beginning and 68.5MB in the end (delta: 1.3MB). 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 109, overapproximation of someBinaryFLOATComparisonOperation at line 111, overapproximation of someBinaryFLOATComparisonOperation at line 133, overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of someBinaryFLOATComparisonOperation at line 115, overapproximation of someBinaryFLOATComparisonOperation at line 113, overapproximation of someBinaryDOUBLEComparisonOperation at line 62, overapproximation of someBinaryDOUBLEComparisonOperation at line 133, overapproximation of someBinaryDOUBLEComparisonOperation at line 107, overapproximation of someBinaryDOUBLEComparisonOperation at line 133, overapproximation of someBinaryDOUBLEComparisonOperation at line 102, overapproximation of someBinaryDOUBLEComparisonOperation at line 55, overapproximation of someUnaryFLOAToperation at line 79, overapproximation of someBinaryArithmeticFLOAToperation at line 79. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_3 = 1; [L24] unsigned char var_1_4 = 0; [L25] unsigned char var_1_5 = 0; [L26] unsigned short int var_1_6 = 25; [L27] double var_1_9 = 999.625; [L28] unsigned short int var_1_11 = 5; [L29] signed short int var_1_12 = 2; [L30] signed long int var_1_13 = -256; [L31] double var_1_14 = 127.75; [L32] double var_1_15 = 9.75; [L33] float var_1_16 = 32.8; [L34] float var_1_17 = 32.5; [L35] float var_1_18 = 1.75; [L36] float var_1_19 = 1000000000000000.4; [L37] float var_1_20 = 0.875; [L38] unsigned char var_1_21 = 0; [L39] unsigned char var_1_22 = 0; [L40] signed short int var_1_23 = 64; [L41] signed short int var_1_24 = 25; [L42] signed short int var_1_25 = 0; [L43] signed short int last_1_var_1_12 = 2; [L44] signed long int last_1_var_1_13 = -256; [L45] double last_1_var_1_14 = 127.75; [L46] unsigned char last_1_var_1_21 = 0; VAL [isInitial=0, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L137] isInitial = 1 [L138] FCALL initially() [L139] int k_loop; [L140] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L140] COND TRUE k_loop < 1 VAL [isInitial=1, k_loop=0, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L141] CALL updateLastVariables() [L127] last_1_var_1_12 = var_1_12 [L128] last_1_var_1_13 = var_1_13 [L129] last_1_var_1_14 = var_1_14 [L130] last_1_var_1_21 = var_1_21 VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L141] RET updateLastVariables() [L142] CALL updateVariables() [L92] var_1_3 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_3 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L93] RET assume_abort_if_not(var_1_3 >= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L94] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L94] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L95] var_1_4 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L96] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L97] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L97] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_9=7997/8] [L98] var_1_5 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=7997/8] [L99] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=7997/8] [L100] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=7997/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=7997/8] [L100] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_9=7997/8] [L101] var_1_9 = __VERIFIER_nondet_double() [L102] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L102] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L103] var_1_11 = __VERIFIER_nondet_ushort() [L104] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L104] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L105] CALL assume_abort_if_not(var_1_11 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L105] RET assume_abort_if_not(var_1_11 <= 65534) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L106] var_1_15 = __VERIFIER_nondet_double() [L107] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L107] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L108] var_1_17 = __VERIFIER_nondet_float() [L109] CALL assume_abort_if_not((var_1_17 >= -230584.3009213691390e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 2305843.009213691390e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L109] RET assume_abort_if_not((var_1_17 >= -230584.3009213691390e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 2305843.009213691390e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L110] var_1_18 = __VERIFIER_nondet_float() [L111] CALL assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L111] RET assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L112] var_1_19 = __VERIFIER_nondet_float() [L113] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L113] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L114] var_1_20 = __VERIFIER_nondet_float() [L115] CALL assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L115] RET assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L116] var_1_22 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_22 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L117] RET assume_abort_if_not(var_1_22 >= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L118] CALL assume_abort_if_not(var_1_22 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L118] RET assume_abort_if_not(var_1_22 <= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L119] var_1_24 = __VERIFIER_nondet_short() [L120] CALL assume_abort_if_not(var_1_24 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L120] RET assume_abort_if_not(var_1_24 >= -1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L121] CALL assume_abort_if_not(var_1_24 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L121] RET assume_abort_if_not(var_1_24 <= 32766) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L122] var_1_25 = __VERIFIER_nondet_short() [L123] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L123] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L124] CALL assume_abort_if_not(var_1_25 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L124] RET assume_abort_if_not(var_1_25 <= 32766) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L142] RET updateVariables() [L143] CALL step() [L50] COND FALSE !(\read(last_1_var_1_21)) [L53] var_1_1 = (var_1_3 && var_1_5) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=255, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L55] COND TRUE var_1_18 > var_1_9 [L56] var_1_23 = (((((var_1_24 - var_1_25)) > (last_1_var_1_13)) ? ((var_1_24 - var_1_25)) : (last_1_var_1_13))) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=-256, var_1_24=-1, var_1_25=255, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L60] signed long int stepLocal_0 = last_1_var_1_12; VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, stepLocal_0=2, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=-256, var_1_24=-1, var_1_25=255, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L61] COND TRUE last_1_var_1_12 >= stepLocal_0 VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=-256, var_1_24=-1, var_1_25=255, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25] [L62] COND TRUE (var_1_9 - 1.00000000000025E12) >= last_1_var_1_14 [L63] var_1_6 = 200 VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=-256, var_1_24=-1, var_1_25=255, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200] [L70] unsigned short int stepLocal_1 = var_1_6; VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, stepLocal_1=200, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=-256, var_1_24=-1, var_1_25=255, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200] [L71] COND FALSE !(var_1_11 > stepLocal_1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=-256, var_1_24=-1, var_1_25=255, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200] [L74] EXPR var_1_11 >> var_1_6 VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=-256, var_1_24=-1, var_1_25=255, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200] [L74] COND TRUE (var_1_12 + var_1_23) < ((var_1_11 >> var_1_6) * var_1_12) [L75] var_1_14 = var_1_15 VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=2, var_1_15=2, var_1_16=164/5, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=-256, var_1_24=-1, var_1_25=255, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200] [L79] var_1_16 = (((((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) < 0 ) ? -((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) : ((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))))) [L80] unsigned short int stepLocal_3 = var_1_11; VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, stepLocal_3=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=2, var_1_15=2, var_1_16=3, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=-256, var_1_24=-1, var_1_25=255, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200] [L81] COND FALSE !(stepLocal_3 == var_1_6) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=2, var_1_15=2, var_1_16=3, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=-256, var_1_24=-1, var_1_25=255, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200] [L84] unsigned short int stepLocal_2 = var_1_6; VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, stepLocal_2=200, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=2, var_1_15=2, var_1_16=3, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=-256, var_1_24=-1, var_1_25=255, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200] [L85] COND FALSE !(stepLocal_2 == var_1_12) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=2, var_1_15=2, var_1_16=3, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=-256, var_1_24=-1, var_1_25=255, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200] [L143] RET step() [L144] CALL, EXPR property() [L133] EXPR ((((last_1_var_1_21 ? (var_1_1 == ((unsigned char) ((! var_1_3) || var_1_4))) : (var_1_1 == ((unsigned char) (var_1_3 && var_1_5)))) && ((last_1_var_1_12 >= last_1_var_1_12) ? (((var_1_9 - 1.00000000000025E12) >= last_1_var_1_14) ? (var_1_6 == ((unsigned short int) 200)) : (var_1_6 == ((unsigned short int) var_1_11))) : (var_1_6 == ((unsigned short int) var_1_11)))) && ((var_1_11 > var_1_6) ? (var_1_12 == ((signed short int) 32)) : 1)) && ((var_1_6 == var_1_12) ? ((! var_1_3) ? (var_1_13 == ((signed long int) ((last_1_var_1_13 + var_1_6) + (var_1_11 - var_1_23)))) : 1) : 1)) && (((var_1_12 + var_1_23) < ((var_1_11 >> var_1_6) * var_1_12)) ? (var_1_14 == ((double) var_1_15)) : (var_1_14 == ((double) var_1_15))) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=2, var_1_15=2, var_1_16=3, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=-256, var_1_24=-1, var_1_25=255, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200] [L133-L134] return (((((((last_1_var_1_21 ? (var_1_1 == ((unsigned char) ((! var_1_3) || var_1_4))) : (var_1_1 == ((unsigned char) (var_1_3 && var_1_5)))) && ((last_1_var_1_12 >= last_1_var_1_12) ? (((var_1_9 - 1.00000000000025E12) >= last_1_var_1_14) ? (var_1_6 == ((unsigned short int) 200)) : (var_1_6 == ((unsigned short int) var_1_11))) : (var_1_6 == ((unsigned short int) var_1_11)))) && ((var_1_11 > var_1_6) ? (var_1_12 == ((signed short int) 32)) : 1)) && ((var_1_6 == var_1_12) ? ((! var_1_3) ? (var_1_13 == ((signed long int) ((last_1_var_1_13 + var_1_6) + (var_1_11 - var_1_23)))) : 1) : 1)) && (((var_1_12 + var_1_23) < ((var_1_11 >> var_1_6) * var_1_12)) ? (var_1_14 == ((double) var_1_15)) : (var_1_14 == ((double) var_1_15)))) && (var_1_16 == ((float) (((((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) < 0 ) ? -((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) : ((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20))))))))) && ((var_1_11 == var_1_6) ? (var_1_21 == ((unsigned char) ((var_1_5 || var_1_3) && (var_1_1 || var_1_22)))) : 1)) && ((var_1_18 > var_1_9) ? (var_1_23 == ((signed short int) (((((var_1_24 - var_1_25)) > (last_1_var_1_13)) ? ((var_1_24 - var_1_25)) : (last_1_var_1_13))))) : (var_1_23 == ((signed short int) (last_1_var_1_13 + 1)))) ; [L144] RET, EXPR property() [L144] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=2, var_1_15=2, var_1_16=3, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=-256, var_1_24=-1, var_1_25=255, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_13=-256, last_1_var_1_14=511/4, last_1_var_1_21=0, var_1_11=0, var_1_12=2, var_1_13=-256, var_1_14=2, var_1_15=2, var_1_16=3, var_1_1=1, var_1_21=0, var_1_22=1, var_1_23=-256, var_1_24=-1, var_1_25=255, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=200] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 5, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 330 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 330 mSDsluCounter, 1098 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 680 mSDsCounter, 151 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 210 IncrementalHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 151 mSolverCounterUnsat, 418 mSDtfsCounter, 210 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 163 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=417occurred in iteration=4, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 4 MinimizatonAttempts, 183 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 963 NumberOfCodeBlocks, 963 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 682 ConstructedInterpolants, 0 QuantifiedInterpolants, 1161 SizeOfPredicates, 0 NumberOfNonLiveVariables, 328 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 3762/3800 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 04:21:29,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/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_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/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_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/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_6c218831-dadb-4394-90e4-713e715852df/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 fcbb8ac143b8a67ade9889ff8d88b7d2d6babdf5f8c61bca7ac82a80bc9d336c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:21:32,350 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:21:32,486 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 04:21:32,493 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:21:32,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:21:32,554 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:21:32,555 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:21:32,556 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:21:32,557 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:21:32,557 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:21:32,557 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:21:32,557 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:21:32,557 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:21:32,557 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:21:32,558 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:21:32,558 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:21:32,558 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:21:32,558 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:21:32,558 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:21:32,558 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:21:32,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:21:32,558 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:21:32,559 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:21:32,559 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:21:32,559 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 04:21:32,559 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 04:21:32,559 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:21:32,559 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:21:32,559 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:21:32,559 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:21:32,559 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:21:32,560 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:21:32,560 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:21:32,560 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:21:32,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:21:32,561 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:21:32,561 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:21:32,561 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:21:32,561 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:21:32,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:21:32,562 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:21:32,562 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:21:32,562 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:21:32,562 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:21:32,562 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 04:21:32,562 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 04:21:32,563 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:21:32,563 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:21:32,563 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:21:32,563 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:21:32,563 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_6c218831-dadb-4394-90e4-713e715852df/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 -> fcbb8ac143b8a67ade9889ff8d88b7d2d6babdf5f8c61bca7ac82a80bc9d336c [2024-11-28 04:21:32,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:21:32,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:21:32,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:21:32,961 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:21:32,961 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:21:32,963 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-35.i [2024-11-28 04:21:36,145 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/data/4bda4ff79/101d5884c28047818af1b5b4f09fc15e/FLAG53592d786 [2024-11-28 04:21:36,514 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:21:36,515 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-35.i [2024-11-28 04:21:36,534 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/data/4bda4ff79/101d5884c28047818af1b5b4f09fc15e/FLAG53592d786 [2024-11-28 04:21:36,553 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/data/4bda4ff79/101d5884c28047818af1b5b4f09fc15e [2024-11-28 04:21:36,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:21:36,558 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:21:36,560 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:21:36,560 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:21:36,565 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:21:36,566 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:21:36" (1/1) ... [2024-11-28 04:21:36,568 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dbd2daa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:36, skipping insertion in model container [2024-11-28 04:21:36,568 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:21:36" (1/1) ... [2024-11-28 04:21:36,590 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:21:36,795 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_6c218831-dadb-4394-90e4-713e715852df/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-35.i[915,928] [2024-11-28 04:21:36,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:21:36,937 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:21:36,950 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_6c218831-dadb-4394-90e4-713e715852df/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-35.i[915,928] [2024-11-28 04:21:37,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:21:37,044 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:21:37,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:37 WrapperNode [2024-11-28 04:21:37,045 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:21:37,048 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:21:37,048 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:21:37,049 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:21:37,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:37" (1/1) ... [2024-11-28 04:21:37,077 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:37" (1/1) ... [2024-11-28 04:21:37,113 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2024-11-28 04:21:37,113 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:21:37,114 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:21:37,114 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:21:37,114 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:21:37,125 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:37" (1/1) ... [2024-11-28 04:21:37,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:37" (1/1) ... [2024-11-28 04:21:37,129 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:37" (1/1) ... [2024-11-28 04:21:37,144 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 04:21:37,144 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:37" (1/1) ... [2024-11-28 04:21:37,144 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:37" (1/1) ... [2024-11-28 04:21:37,155 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:37" (1/1) ... [2024-11-28 04:21:37,156 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:37" (1/1) ... [2024-11-28 04:21:37,160 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:37" (1/1) ... [2024-11-28 04:21:37,163 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:37" (1/1) ... [2024-11-28 04:21:37,165 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:37" (1/1) ... [2024-11-28 04:21:37,168 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:21:37,169 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:21:37,170 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:21:37,170 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:21:37,171 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:37" (1/1) ... [2024-11-28 04:21:37,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:21:37,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:21:37,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:21:37,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:21:37,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:21:37,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 04:21:37,248 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:21:37,248 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:21:37,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:21:37,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:21:37,354 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:21:37,356 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:21:40,426 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-28 04:21:40,426 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:21:40,437 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:21:40,437 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 04:21:40,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:21:40 BoogieIcfgContainer [2024-11-28 04:21:40,438 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:21:40,440 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:21:40,440 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:21:40,446 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:21:40,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:21:36" (1/3) ... [2024-11-28 04:21:40,447 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@170b1d45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:21:40, skipping insertion in model container [2024-11-28 04:21:40,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:37" (2/3) ... [2024-11-28 04:21:40,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@170b1d45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:21:40, skipping insertion in model container [2024-11-28 04:21:40,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:21:40" (3/3) ... [2024-11-28 04:21:40,449 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-35.i [2024-11-28 04:21:40,464 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:21:40,467 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-1loop_file-35.i that has 2 procedures, 66 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:21:40,538 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:21:40,550 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;@368b2ba5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:21:40,550 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:21:40,554 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 44 states have internal predecessors, (57), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 04:21:40,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 04:21:40,565 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:21:40,566 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:21:40,567 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:21:40,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:40,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1992174638, now seen corresponding path program 1 times [2024-11-28 04:21:40,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:21:40,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [954883170] [2024-11-28 04:21:40,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:40,592 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 04:21:40,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:21:40,597 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/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 04:21:40,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/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 04:21:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:21:41,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:21:41,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:21:41,112 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 390 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-28 04:21:41,113 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:21:41,116 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:21:41,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [954883170] [2024-11-28 04:21:41,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [954883170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:21:41,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:21:41,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:21:41,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604507096] [2024-11-28 04:21:41,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:21:41,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:21:41,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:21:41,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:21:41,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:21:41,145 INFO L87 Difference]: Start difference. First operand has 66 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 44 states have internal predecessors, (57), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 04:21:41,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:21:41,183 INFO L93 Difference]: Finished difference Result 129 states and 211 transitions. [2024-11-28 04:21:41,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:21:41,186 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 134 [2024-11-28 04:21:41,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:21:41,195 INFO L225 Difference]: With dead ends: 129 [2024-11-28 04:21:41,196 INFO L226 Difference]: Without dead ends: 62 [2024-11-28 04:21:41,201 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:21:41,206 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:21:41,207 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:21:41,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-28 04:21:41,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-28 04:21:41,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 40 states have (on average 1.25) internal successors, (50), 40 states have internal predecessors, (50), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 04:21:41,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 90 transitions. [2024-11-28 04:21:41,275 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 90 transitions. Word has length 134 [2024-11-28 04:21:41,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:21:41,276 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 90 transitions. [2024-11-28 04:21:41,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 04:21:41,277 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2024-11-28 04:21:41,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 04:21:41,280 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:21:41,281 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:21:41,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/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 04:21:41,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/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 04:21:41,482 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:21:41,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:41,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1837489354, now seen corresponding path program 1 times [2024-11-28 04:21:41,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:21:41,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1781323612] [2024-11-28 04:21:41,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:41,486 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 04:21:41,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:21:41,488 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/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 04:21:41,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/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 04:21:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:21:41,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:21:41,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:21:42,674 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 04:21:42,675 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:21:42,675 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:21:42,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1781323612] [2024-11-28 04:21:42,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1781323612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:21:42,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:21:42,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:21:42,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045975627] [2024-11-28 04:21:42,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:21:42,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:21:42,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:21:42,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:21:42,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:21:42,680 INFO L87 Difference]: Start difference. First operand 62 states and 90 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:21:44,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:21:46,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:21:46,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:21:46,056 INFO L93 Difference]: Finished difference Result 200 states and 292 transitions. [2024-11-28 04:21:46,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:21:46,073 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 134 [2024-11-28 04:21:46,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:21:46,077 INFO L225 Difference]: With dead ends: 200 [2024-11-28 04:21:46,077 INFO L226 Difference]: Without dead ends: 141 [2024-11-28 04:21:46,078 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 131 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 04:21:46,079 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 90 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:21:46,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 278 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-28 04:21:46,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-28 04:21:46,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 119. [2024-11-28 04:21:46,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 76 states have (on average 1.25) internal successors, (95), 76 states have internal predecessors, (95), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 04:21:46,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 175 transitions. [2024-11-28 04:21:46,122 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 175 transitions. Word has length 134 [2024-11-28 04:21:46,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:21:46,125 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 175 transitions. [2024-11-28 04:21:46,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:21:46,125 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 175 transitions. [2024-11-28 04:21:46,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 04:21:46,127 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:21:46,128 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:21:46,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/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)] Ended with exit code 0 [2024-11-28 04:21:46,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/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 04:21:46,330 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:21:46,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:46,331 INFO L85 PathProgramCache]: Analyzing trace with hash 557625676, now seen corresponding path program 1 times [2024-11-28 04:21:46,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:21:46,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1197612953] [2024-11-28 04:21:46,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:46,332 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 04:21:46,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:21:46,334 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/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 04:21:46,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/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 (4)] Waiting until timeout for monitored process [2024-11-28 04:21:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:21:46,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:21:46,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:21:47,505 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 04:21:47,505 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:21:47,508 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:21:47,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1197612953] [2024-11-28 04:21:47,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1197612953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:21:47,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:21:47,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:21:47,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950835444] [2024-11-28 04:21:47,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:21:47,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:21:47,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:21:47,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:21:47,511 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:21:47,513 INFO L87 Difference]: Start difference. First operand 119 states and 175 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:21:49,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:21:52,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:21:52,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:21:52,181 INFO L93 Difference]: Finished difference Result 377 states and 554 transitions. [2024-11-28 04:21:52,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:21:52,197 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 134 [2024-11-28 04:21:52,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:21:52,201 INFO L225 Difference]: With dead ends: 377 [2024-11-28 04:21:52,201 INFO L226 Difference]: Without dead ends: 261 [2024-11-28 04:21:52,206 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:21:52,207 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 88 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:21:52,208 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 283 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-28 04:21:52,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-28 04:21:52,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 233. [2024-11-28 04:21:52,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 148 states have (on average 1.2432432432432432) internal successors, (184), 148 states have internal predecessors, (184), 80 states have call successors, (80), 4 states have call predecessors, (80), 4 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-28 04:21:52,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 344 transitions. [2024-11-28 04:21:52,318 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 344 transitions. Word has length 134 [2024-11-28 04:21:52,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:21:52,321 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 344 transitions. [2024-11-28 04:21:52,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:21:52,321 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 344 transitions. [2024-11-28 04:21:52,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-28 04:21:52,327 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:21:52,327 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:21:52,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/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 (4)] Ended with exit code 0 [2024-11-28 04:21:52,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/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 04:21:52,528 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:21:52,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:52,529 INFO L85 PathProgramCache]: Analyzing trace with hash 865590027, now seen corresponding path program 1 times [2024-11-28 04:21:52,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:21:52,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2086748065] [2024-11-28 04:21:52,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:52,530 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 04:21:52,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:21:52,532 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/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 04:21:52,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c218831-dadb-4394-90e4-713e715852df/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 (5)] Waiting until timeout for monitored process [2024-11-28 04:21:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:21:52,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-28 04:21:53,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:23:38,083 WARN L286 SmtUtils]: Spent 10.86s on a formula simplification that was a NOOP. DAG size: 100 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 04:25:34,014 WARN L286 SmtUtils]: Spent 13.91s on a formula simplification that was a NOOP. DAG size: 102 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 04:26:18,909 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:26:24,187 WARN L286 SmtUtils]: Spent 5.28s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:26:34,784 WARN L286 SmtUtils]: Spent 7.08s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:26:40,058 WARN L286 SmtUtils]: Spent 5.27s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:26:48,168 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:26:54,071 WARN L286 SmtUtils]: Spent 5.90s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:26:59,791 WARN L286 SmtUtils]: Spent 5.72s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:27:07,894 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:27:16,093 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:27:24,204 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:27:30,682 WARN L286 SmtUtils]: Spent 6.48s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:27:37,781 WARN L286 SmtUtils]: Spent 7.10s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:27:44,766 WARN L286 SmtUtils]: Spent 6.98s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:27:52,229 WARN L286 SmtUtils]: Spent 7.46s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:28:00,337 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:28:08,449 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:28:14,817 WARN L286 SmtUtils]: Spent 6.37s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:28:20,496 WARN L286 SmtUtils]: Spent 5.68s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:28:27,787 WARN L286 SmtUtils]: Spent 7.29s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:28:34,049 WARN L286 SmtUtils]: Spent 6.26s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:28:39,943 WARN L286 SmtUtils]: Spent 5.89s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:28:48,824 WARN L286 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:28:58,334 WARN L286 SmtUtils]: Spent 5.49s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:29:08,087 WARN L286 SmtUtils]: Spent 7.18s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:29:24,622 WARN L286 SmtUtils]: Spent 5.34s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:29:31,122 WARN L286 SmtUtils]: Spent 6.50s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:29:41,478 WARN L286 SmtUtils]: Spent 5.67s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:29:56,723 WARN L286 SmtUtils]: Spent 5.54s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:30:05,420 WARN L286 SmtUtils]: Spent 5.36s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:30:10,561 WARN L286 SmtUtils]: Spent 5.14s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:30:16,056 WARN L286 SmtUtils]: Spent 5.49s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:30:21,371 WARN L286 SmtUtils]: Spent 5.31s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:35:23,530 WARN L286 SmtUtils]: Spent 2.99m on a formula simplification that was a NOOP. DAG size: 140 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 04:35:28,836 WARN L286 SmtUtils]: Spent 5.15s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:35:44,691 WARN L286 SmtUtils]: Spent 7.06s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:35:59,825 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:36:12,195 WARN L286 SmtUtils]: Spent 6.73s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:36:26,165 WARN L286 SmtUtils]: Spent 6.24s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)