./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-85.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_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/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_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-85.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/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_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/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 c7670603e0a087e73dc969b282734c8dd43456b4629350be39c8fff98720cbe1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:14:04,035 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:14:04,167 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 05:14:04,181 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:14:04,182 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:14:04,214 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:14:04,215 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:14:04,216 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:14:04,216 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:14:04,216 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:14:04,217 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:14:04,217 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:14:04,217 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:14:04,217 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:14:04,218 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:14:04,218 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:14:04,218 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:14:04,218 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:14:04,218 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:14:04,219 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:14:04,219 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:14:04,219 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:14:04,219 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:14:04,219 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:14:04,220 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:14:04,220 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:14:04,220 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:14:04,220 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:14:04,220 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:14:04,220 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:14:04,221 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:14:04,221 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:14:04,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:14:04,221 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:14:04,221 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:14:04,222 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:14:04,222 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:14:04,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:14:04,222 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:14:04,222 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:14:04,222 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:14:04,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:14:04,223 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:14:04,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:14:04,223 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:14:04,223 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:14:04,224 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:14:04,224 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:14:04,224 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_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/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 -> c7670603e0a087e73dc969b282734c8dd43456b4629350be39c8fff98720cbe1 [2024-11-28 05:14:04,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:14:04,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:14:04,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:14:04,664 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:14:04,664 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:14:04,667 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-85.i [2024-11-28 05:14:08,438 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/data/8d93e5476/c37eb655d6dd424fb28a9a9ae370f1d9/FLAG928459b50 [2024-11-28 05:14:08,847 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:14:08,848 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-85.i [2024-11-28 05:14:08,869 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/data/8d93e5476/c37eb655d6dd424fb28a9a9ae370f1d9/FLAG928459b50 [2024-11-28 05:14:09,042 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/data/8d93e5476/c37eb655d6dd424fb28a9a9ae370f1d9 [2024-11-28 05:14:09,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:14:09,047 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:14:09,049 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:14:09,049 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:14:09,057 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:14:09,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:14:09" (1/1) ... [2024-11-28 05:14:09,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52ed7d94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:09, skipping insertion in model container [2024-11-28 05:14:09,060 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:14:09" (1/1) ... [2024-11-28 05:14:09,089 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:14:09,283 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_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-85.i[919,932] [2024-11-28 05:14:09,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:14:09,374 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:14:09,391 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_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-85.i[919,932] [2024-11-28 05:14:09,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:14:09,449 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:14:09,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:09 WrapperNode [2024-11-28 05:14:09,450 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:14:09,451 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:14:09,451 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:14:09,452 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:14:09,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:09" (1/1) ... [2024-11-28 05:14:09,472 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:09" (1/1) ... [2024-11-28 05:14:09,509 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 119 [2024-11-28 05:14:09,510 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:14:09,511 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:14:09,511 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:14:09,511 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:14:09,523 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:09" (1/1) ... [2024-11-28 05:14:09,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:09" (1/1) ... [2024-11-28 05:14:09,527 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:09" (1/1) ... [2024-11-28 05:14:09,561 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 05:14:09,564 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:09" (1/1) ... [2024-11-28 05:14:09,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:09" (1/1) ... [2024-11-28 05:14:09,582 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:09" (1/1) ... [2024-11-28 05:14:09,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:09" (1/1) ... [2024-11-28 05:14:09,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:09" (1/1) ... [2024-11-28 05:14:09,597 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:09" (1/1) ... [2024-11-28 05:14:09,599 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:09" (1/1) ... [2024-11-28 05:14:09,607 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:14:09,611 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:14:09,611 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:14:09,611 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:14:09,612 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:09" (1/1) ... [2024-11-28 05:14:09,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:14:09,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:14:09,666 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:14:09,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:14:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:14:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 05:14:09,702 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 05:14:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:14:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:14:09,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:14:09,828 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:14:09,831 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:14:10,266 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-28 05:14:10,267 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:14:10,288 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:14:10,289 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 05:14:10,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:14:10 BoogieIcfgContainer [2024-11-28 05:14:10,291 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:14:10,295 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:14:10,297 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:14:10,303 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:14:10,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:14:09" (1/3) ... [2024-11-28 05:14:10,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7906bac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:14:10, skipping insertion in model container [2024-11-28 05:14:10,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:09" (2/3) ... [2024-11-28 05:14:10,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7906bac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:14:10, skipping insertion in model container [2024-11-28 05:14:10,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:14:10" (3/3) ... [2024-11-28 05:14:10,307 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-85.i [2024-11-28 05:14:10,328 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:14:10,330 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_dependencies_file-85.i that has 2 procedures, 52 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 05:14:10,415 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:14:10,435 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;@1ee9875c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:14:10,436 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:14:10,441 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 34 states have (on average 1.411764705882353) internal successors, (48), 35 states have internal predecessors, (48), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 05:14:10,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-28 05:14:10,455 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:14:10,456 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:14:10,457 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:14:10,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:14:10,467 INFO L85 PathProgramCache]: Analyzing trace with hash 2043775027, now seen corresponding path program 1 times [2024-11-28 05:14:10,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:14:10,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538542104] [2024-11-28 05:14:10,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:14:10,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:14:10,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:14:10,863 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-28 05:14:10,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:14:10,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538542104] [2024-11-28 05:14:10,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538542104] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:14:10,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969432778] [2024-11-28 05:14:10,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:14:10,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:14:10,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:14:10,872 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:14:10,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 05:14:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:14:11,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 05:14:11,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:14:11,188 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-28 05:14:11,189 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:14:11,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [969432778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:14:11,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:14:11,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 05:14:11,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163337529] [2024-11-28 05:14:11,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:14:11,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 05:14:11,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:14:11,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 05:14:11,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:14:11,231 INFO L87 Difference]: Start difference. First operand has 52 states, 34 states have (on average 1.411764705882353) internal successors, (48), 35 states have internal predecessors, (48), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 05:14:11,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:14:11,265 INFO L93 Difference]: Finished difference Result 97 states and 165 transitions. [2024-11-28 05:14:11,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 05:14:11,267 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 99 [2024-11-28 05:14:11,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:14:11,274 INFO L225 Difference]: With dead ends: 97 [2024-11-28 05:14:11,275 INFO L226 Difference]: Without dead ends: 48 [2024-11-28 05:14:11,278 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 100 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 05:14:11,282 INFO L435 NwaCegarLoop]: 70 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, 70 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 05:14:11,283 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:14:11,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-28 05:14:11,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-28 05:14:11,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 31 states have internal predecessors, (40), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 05:14:11,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 70 transitions. [2024-11-28 05:14:11,328 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 70 transitions. Word has length 99 [2024-11-28 05:14:11,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:14:11,329 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 70 transitions. [2024-11-28 05:14:11,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 05:14:11,330 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 70 transitions. [2024-11-28 05:14:11,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-28 05:14:11,334 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:14:11,334 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:14:11,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 05:14:11,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 05:14:11,535 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:14:11,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:14:11,536 INFO L85 PathProgramCache]: Analyzing trace with hash 922424189, now seen corresponding path program 1 times [2024-11-28 05:14:11,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:14:11,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14720177] [2024-11-28 05:14:11,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:14:11,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:14:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:14:12,898 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 05:14:12,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:14:12,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14720177] [2024-11-28 05:14:12,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14720177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:14:12,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:14:12,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:14:12,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605589794] [2024-11-28 05:14:12,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:14:12,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:14:12,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:14:12,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:14:12,903 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:14:12,903 INFO L87 Difference]: Start difference. First operand 48 states and 70 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 05:14:13,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:14:13,342 INFO L93 Difference]: Finished difference Result 139 states and 205 transitions. [2024-11-28 05:14:13,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:14:13,344 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 99 [2024-11-28 05:14:13,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:14:13,347 INFO L225 Difference]: With dead ends: 139 [2024-11-28 05:14:13,350 INFO L226 Difference]: Without dead ends: 94 [2024-11-28 05:14:13,351 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:14:13,353 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 49 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:14:13,354 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 180 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:14:13,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-28 05:14:13,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 78. [2024-11-28 05:14:13,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 45 states have (on average 1.2) internal successors, (54), 45 states have internal predecessors, (54), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-28 05:14:13,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 114 transitions. [2024-11-28 05:14:13,435 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 114 transitions. Word has length 99 [2024-11-28 05:14:13,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:14:13,435 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 114 transitions. [2024-11-28 05:14:13,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 05:14:13,436 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2024-11-28 05:14:13,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-28 05:14:13,444 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:14:13,445 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:14:13,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:14:13,446 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:14:13,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:14:13,448 INFO L85 PathProgramCache]: Analyzing trace with hash -238136193, now seen corresponding path program 1 times [2024-11-28 05:14:13,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:14:13,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133304371] [2024-11-28 05:14:13,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:14:13,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:14:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:14:14,629 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 05:14:14,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:14:14,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133304371] [2024-11-28 05:14:14,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133304371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:14:14,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:14:14,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:14:14,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186682007] [2024-11-28 05:14:14,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:14:14,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:14:14,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:14:14,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:14:14,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:14:14,638 INFO L87 Difference]: Start difference. First operand 78 states and 114 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 05:14:15,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:14:15,194 INFO L93 Difference]: Finished difference Result 152 states and 222 transitions. [2024-11-28 05:14:15,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:14:15,196 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 100 [2024-11-28 05:14:15,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:14:15,202 INFO L225 Difference]: With dead ends: 152 [2024-11-28 05:14:15,202 INFO L226 Difference]: Without dead ends: 107 [2024-11-28 05:14:15,203 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:14:15,206 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 79 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:14:15,207 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 210 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:14:15,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-28 05:14:15,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 84. [2024-11-28 05:14:15,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 51 states have (on average 1.2352941176470589) internal successors, (63), 51 states have internal predecessors, (63), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-28 05:14:15,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 123 transitions. [2024-11-28 05:14:15,279 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 123 transitions. Word has length 100 [2024-11-28 05:14:15,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:14:15,280 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 123 transitions. [2024-11-28 05:14:15,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 05:14:15,282 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 123 transitions. [2024-11-28 05:14:15,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-28 05:14:15,284 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:14:15,284 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:14:15,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:14:15,285 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:14:15,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:14:15,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1536871169, now seen corresponding path program 1 times [2024-11-28 05:14:15,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:14:15,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821162416] [2024-11-28 05:14:15,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:14:15,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:14:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:14:15,703 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-28 05:14:15,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:14:15,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821162416] [2024-11-28 05:14:15,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821162416] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:14:15,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1291910634] [2024-11-28 05:14:15,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:14:15,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:14:15,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:14:15,707 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:14:15,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 05:14:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:14:15,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 05:14:15,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:14:16,024 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 134 proven. 6 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-28 05:14:16,024 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:14:16,343 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-28 05:14:16,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1291910634] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:14:16,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:14:16,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2024-11-28 05:14:16,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715886539] [2024-11-28 05:14:16,344 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:14:16,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 05:14:16,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:14:16,349 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 05:14:16,349 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:14:16,350 INFO L87 Difference]: Start difference. First operand 84 states and 123 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 05:14:17,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:14:17,022 INFO L93 Difference]: Finished difference Result 199 states and 278 transitions. [2024-11-28 05:14:17,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 05:14:17,024 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 100 [2024-11-28 05:14:17,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:14:17,030 INFO L225 Difference]: With dead ends: 199 [2024-11-28 05:14:17,030 INFO L226 Difference]: Without dead ends: 152 [2024-11-28 05:14:17,034 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 197 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2024-11-28 05:14:17,035 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 97 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:14:17,036 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 189 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:14:17,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-28 05:14:17,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 94. [2024-11-28 05:14:17,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 59 states have (on average 1.1864406779661016) internal successors, (70), 59 states have internal predecessors, (70), 30 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-28 05:14:17,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 130 transitions. [2024-11-28 05:14:17,110 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 130 transitions. Word has length 100 [2024-11-28 05:14:17,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:14:17,111 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 130 transitions. [2024-11-28 05:14:17,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 05:14:17,111 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 130 transitions. [2024-11-28 05:14:17,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-28 05:14:17,113 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:14:17,113 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:14:17,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 05:14:17,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:14:17,318 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:14:17,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:14:17,319 INFO L85 PathProgramCache]: Analyzing trace with hash -2078037757, now seen corresponding path program 1 times [2024-11-28 05:14:17,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:14:17,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503702991] [2024-11-28 05:14:17,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:14:17,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:14:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:14:17,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1211989850] [2024-11-28 05:14:17,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:14:17,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:14:17,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:14:17,482 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:14:17,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 05:14:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:14:17,794 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:14:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:14:17,983 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 05:14:17,983 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 05:14:17,985 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 05:14:18,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 05:14:18,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:14:18,194 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-28 05:14:18,337 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 05:14:18,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:14:18 BoogieIcfgContainer [2024-11-28 05:14:18,349 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:14:18,350 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:14:18,352 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:14:18,353 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:14:18,353 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:14:10" (3/4) ... [2024-11-28 05:14:18,356 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 05:14:18,358 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:14:18,359 INFO L158 Benchmark]: Toolchain (without parser) took 9312.27ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 85.4MB in the beginning and 224.9MB in the end (delta: -139.6MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2024-11-28 05:14:18,359 INFO L158 Benchmark]: CDTParser took 0.99ms. Allocated memory is still 167.8MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:14:18,360 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.90ms. Allocated memory is still 117.4MB. Free memory was 85.4MB in the beginning and 71.4MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:14:18,360 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.01ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 68.9MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:14:18,360 INFO L158 Benchmark]: Boogie Preprocessor took 99.31ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 64.9MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:14:18,364 INFO L158 Benchmark]: RCFGBuilder took 680.00ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 47.3MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 05:14:18,364 INFO L158 Benchmark]: TraceAbstraction took 8053.94ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 46.7MB in the beginning and 225.0MB in the end (delta: -178.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:14:18,364 INFO L158 Benchmark]: Witness Printer took 7.70ms. Allocated memory is still 293.6MB. Free memory was 225.0MB in the beginning and 224.9MB in the end (delta: 92.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:14:18,366 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.99ms. Allocated memory is still 167.8MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.90ms. Allocated memory is still 117.4MB. Free memory was 85.4MB in the beginning and 71.4MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.01ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 68.9MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.31ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 64.9MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 680.00ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 47.3MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8053.94ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 46.7MB in the beginning and 225.0MB in the end (delta: -178.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.70ms. Allocated memory is still 293.6MB. Free memory was 225.0MB in the beginning and 224.9MB in the end (delta: 92.2kB). 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 77, overapproximation of someBinaryFLOATComparisonOperation at line 94, overapproximation of someBinaryFLOATComparisonOperation at line 114, overapproximation of someBinaryDOUBLEComparisonOperation at line 102, overapproximation of someBinaryDOUBLEComparisonOperation at line 104, overapproximation of someBinaryDOUBLEComparisonOperation at line 114. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 1000; [L23] unsigned char var_1_5 = 1; [L24] unsigned char var_1_6 = 0; [L25] float var_1_7 = 0.6; [L26] unsigned long int var_1_8 = 32; [L27] unsigned long int var_1_9 = 32; [L28] float var_1_11 = 5.5; [L29] unsigned long int var_1_12 = 128; [L30] unsigned char var_1_13 = 16; [L31] unsigned char var_1_14 = 0; [L32] unsigned long int var_1_15 = 8; [L33] unsigned char var_1_16 = 0; [L34] unsigned char var_1_17 = 0; [L35] double var_1_18 = 1.8; [L36] double var_1_19 = 4.5; [L37] double var_1_20 = 15.5; [L38] unsigned long int last_1_var_1_1 = 1000; [L39] unsigned char last_1_var_1_5 = 1; [L40] unsigned long int last_1_var_1_12 = 128; [L41] unsigned char last_1_var_1_13 = 16; [L42] unsigned long int last_1_var_1_15 = 8; VAL [isInitial=0, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L118] isInitial = 1 [L119] FCALL initially() [L121] CALL updateLastVariables() [L107] last_1_var_1_1 = var_1_1 [L108] last_1_var_1_5 = var_1_5 [L109] last_1_var_1_12 = var_1_12 [L110] last_1_var_1_13 = var_1_13 [L111] last_1_var_1_15 = var_1_15 VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L121] RET updateLastVariables() [L122] CALL updateVariables() [L82] var_1_6 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_7=3/5, var_1_8=32, var_1_9=32] [L83] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_7=3/5, var_1_8=32, var_1_9=32] [L84] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L84] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L85] var_1_8 = __VERIFIER_nondet_ulong() [L86] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L86] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L87] CALL assume_abort_if_not(var_1_8 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L87] RET assume_abort_if_not(var_1_8 <= 4294967295) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L88] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=32] [L88] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=32] [L89] var_1_9 = __VERIFIER_nondet_ulong() [L90] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33] [L90] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33] [L91] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33] [L91] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33] [L92] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=1] [L92] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=1] [L93] var_1_11 = __VERIFIER_nondet_float() [L94] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=1] [L94] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=1] [L95] var_1_14 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=1] [L96] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=1] [L97] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=1] [L97] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=1] [L98] var_1_17 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=1] [L99] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=1] [L100] CALL assume_abort_if_not(var_1_17 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=1] [L100] RET assume_abort_if_not(var_1_17 <= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=1] [L101] var_1_19 = __VERIFIER_nondet_double() [L102] 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=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=1] [L102] 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=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=1] [L103] var_1_20 = __VERIFIER_nondet_double() [L104] CALL assume_abort_if_not((var_1_20 >= 0.0F && 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=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=1] [L104] RET assume_abort_if_not((var_1_20 >= 0.0F && 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=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=1] [L122] RET updateVariables() [L123] CALL step() [L46] COND TRUE last_1_var_1_13 < ((- last_1_var_1_12) * 64) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=1] [L47] COND TRUE \read(last_1_var_1_5) [L48] var_1_1 = ((((last_1_var_1_12) < 0 ) ? -(last_1_var_1_12) : (last_1_var_1_12))) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=1] [L57] COND TRUE last_1_var_1_13 <= (last_1_var_1_15 + last_1_var_1_1) [L58] var_1_5 = ((last_1_var_1_15 == last_1_var_1_13) && var_1_6) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=1] [L62] COND FALSE !(var_1_5 || var_1_17) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=1] [L65] var_1_13 = ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) [L66] var_1_16 = (var_1_6 && var_1_17) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=1] [L67] COND FALSE !(\read(var_1_5)) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=3/5, var_1_8=33, var_1_9=1] [L70] COND FALSE !((var_1_15 + (var_1_15 * var_1_13)) <= ((32u / var_1_8) / var_1_9)) [L75] var_1_7 = var_1_11 VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=33, var_1_9=1] [L77] COND TRUE var_1_7 <= (- (32.8f + var_1_7)) [L78] var_1_12 = last_1_var_1_12 VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=33, var_1_9=1] [L123] RET step() [L124] CALL, EXPR property() [L114-L115] return ((((((((last_1_var_1_13 < ((- last_1_var_1_12) * 64)) ? (last_1_var_1_5 ? (var_1_1 == ((unsigned long int) ((((last_1_var_1_12) < 0 ) ? -(last_1_var_1_12) : (last_1_var_1_12))))) : ((-10000000 < last_1_var_1_13) ? (var_1_1 == ((unsigned long int) (((((((last_1_var_1_12) > (5u)) ? (last_1_var_1_12) : (5u))) < 0 ) ? -((((last_1_var_1_12) > (5u)) ? (last_1_var_1_12) : (5u))) : ((((last_1_var_1_12) > (5u)) ? (last_1_var_1_12) : (5u))))))) : (var_1_1 == ((unsigned long int) 50u)))) : 1) && ((last_1_var_1_13 <= (last_1_var_1_15 + last_1_var_1_1)) ? (var_1_5 == ((unsigned char) ((last_1_var_1_15 == last_1_var_1_13) && var_1_6))) : (var_1_5 == ((unsigned char) var_1_6)))) && (((var_1_15 + (var_1_15 * var_1_13)) <= ((32u / var_1_8) / var_1_9)) ? ((1.25f < var_1_18) ? (var_1_7 == ((float) 1000000.1f)) : 1) : (var_1_7 == ((float) var_1_11)))) && ((var_1_7 <= (- (32.8f + var_1_7))) ? (var_1_12 == ((unsigned long int) last_1_var_1_12)) : 1)) && (var_1_13 == ((unsigned char) ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))))) && (var_1_5 ? (var_1_15 == ((unsigned long int) ((((var_1_1) > ((var_1_13 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))))) ? (var_1_1) : ((var_1_13 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))))))))) : 1)) && (var_1_16 == ((unsigned char) (var_1_6 && var_1_17)))) && ((var_1_5 || var_1_17) ? (var_1_18 == ((double) ((((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))) + var_1_20) - 63.6))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=33, var_1_9=1] [L124] RET, EXPR property() [L124] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=33, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=33, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.8s, OverallIterations: 5, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 238 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 225 mSDsluCounter, 649 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 396 mSDsCounter, 157 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 219 IncrementalHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 157 mSolverCounterUnsat, 253 mSDtfsCounter, 219 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 334 GetRequests, 306 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred in iteration=4, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 97 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 797 NumberOfCodeBlocks, 797 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 690 ConstructedInterpolants, 0 QuantifiedInterpolants, 2559 SizeOfPredicates, 4 NumberOfNonLiveVariables, 508 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 2894/2940 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 05:14:18,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/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_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/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_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-85.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/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_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/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 c7670603e0a087e73dc969b282734c8dd43456b4629350be39c8fff98720cbe1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:14:21,769 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:14:21,931 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 05:14:21,951 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:14:21,955 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:14:21,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:14:21,999 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:14:21,999 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:14:22,000 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:14:22,001 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:14:22,002 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:14:22,002 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:14:22,003 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:14:22,003 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:14:22,003 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:14:22,003 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:14:22,003 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:14:22,003 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:14:22,004 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:14:22,004 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:14:22,004 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:14:22,004 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:14:22,004 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:14:22,004 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 05:14:22,004 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 05:14:22,004 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 05:14:22,004 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:14:22,004 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:14:22,005 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:14:22,005 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:14:22,005 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:14:22,005 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:14:22,005 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:14:22,005 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:14:22,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:14:22,007 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:14:22,007 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:14:22,007 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:14:22,007 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:14:22,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:14:22,008 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:14:22,008 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:14:22,009 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:14:22,009 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:14:22,010 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 05:14:22,010 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 05:14:22,010 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:14:22,010 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:14:22,010 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:14:22,010 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:14:22,011 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_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/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 -> c7670603e0a087e73dc969b282734c8dd43456b4629350be39c8fff98720cbe1 [2024-11-28 05:14:22,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:14:22,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:14:22,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:14:22,426 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:14:22,426 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:14:22,428 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-85.i [2024-11-28 05:14:26,136 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/data/90315be3f/701b954e02014f3994d263e35f384b1d/FLAG636fc9995 [2024-11-28 05:14:26,507 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:14:26,511 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-85.i [2024-11-28 05:14:26,531 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/data/90315be3f/701b954e02014f3994d263e35f384b1d/FLAG636fc9995 [2024-11-28 05:14:26,560 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/data/90315be3f/701b954e02014f3994d263e35f384b1d [2024-11-28 05:14:26,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:14:26,566 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:14:26,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:14:26,569 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:14:26,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:14:26,576 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:14:26" (1/1) ... [2024-11-28 05:14:26,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@155addca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:26, skipping insertion in model container [2024-11-28 05:14:26,580 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:14:26" (1/1) ... [2024-11-28 05:14:26,612 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:14:26,849 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_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-85.i[919,932] [2024-11-28 05:14:26,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:14:26,965 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:14:26,980 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_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-85.i[919,932] [2024-11-28 05:14:27,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:14:27,061 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:14:27,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:27 WrapperNode [2024-11-28 05:14:27,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:14:27,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:14:27,064 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:14:27,064 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:14:27,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:27" (1/1) ... [2024-11-28 05:14:27,098 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:27" (1/1) ... [2024-11-28 05:14:27,151 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 119 [2024-11-28 05:14:27,154 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:14:27,155 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:14:27,155 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:14:27,156 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:14:27,168 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:27" (1/1) ... [2024-11-28 05:14:27,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:27" (1/1) ... [2024-11-28 05:14:27,173 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:27" (1/1) ... [2024-11-28 05:14:27,188 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 05:14:27,189 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:27" (1/1) ... [2024-11-28 05:14:27,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:27" (1/1) ... [2024-11-28 05:14:27,200 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:27" (1/1) ... [2024-11-28 05:14:27,201 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:27" (1/1) ... [2024-11-28 05:14:27,206 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:27" (1/1) ... [2024-11-28 05:14:27,208 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:27" (1/1) ... [2024-11-28 05:14:27,210 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:27" (1/1) ... [2024-11-28 05:14:27,214 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:14:27,215 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:14:27,215 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:14:27,215 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:14:27,217 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:27" (1/1) ... [2024-11-28 05:14:27,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:14:27,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:14:27,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:14:27,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:14:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:14:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 05:14:27,299 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 05:14:27,299 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 05:14:27,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:14:27,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:14:27,400 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:14:27,403 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:14:31,131 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-28 05:14:31,131 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:14:31,146 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:14:31,146 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 05:14:31,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:14:31 BoogieIcfgContainer [2024-11-28 05:14:31,147 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:14:31,151 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:14:31,152 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:14:31,160 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:14:31,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:14:26" (1/3) ... [2024-11-28 05:14:31,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bec3d6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:14:31, skipping insertion in model container [2024-11-28 05:14:31,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:27" (2/3) ... [2024-11-28 05:14:31,163 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bec3d6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:14:31, skipping insertion in model container [2024-11-28 05:14:31,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:14:31" (3/3) ... [2024-11-28 05:14:31,167 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-85.i [2024-11-28 05:14:31,189 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:14:31,191 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_dependencies_file-85.i that has 2 procedures, 52 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 05:14:31,264 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:14:31,281 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;@1ba2046c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:14:31,282 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:14:31,287 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 34 states have (on average 1.411764705882353) internal successors, (48), 35 states have internal predecessors, (48), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 05:14:31,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-28 05:14:31,301 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:14:31,302 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:14:31,302 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:14:31,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:14:31,309 INFO L85 PathProgramCache]: Analyzing trace with hash 2043775027, now seen corresponding path program 1 times [2024-11-28 05:14:31,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:14:31,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [439073527] [2024-11-28 05:14:31,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:14:31,325 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 05:14:31,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:14:31,331 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/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 05:14:31,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/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 05:14:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:14:31,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 05:14:31,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:14:31,998 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-28 05:14:32,000 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:14:32,001 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:14:32,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [439073527] [2024-11-28 05:14:32,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [439073527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:14:32,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:14:32,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:14:32,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130521635] [2024-11-28 05:14:32,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:14:32,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 05:14:32,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:14:32,045 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 05:14:32,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:14:32,049 INFO L87 Difference]: Start difference. First operand has 52 states, 34 states have (on average 1.411764705882353) internal successors, (48), 35 states have internal predecessors, (48), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 05:14:32,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:14:32,089 INFO L93 Difference]: Finished difference Result 97 states and 165 transitions. [2024-11-28 05:14:32,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 05:14:32,092 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 99 [2024-11-28 05:14:32,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:14:32,100 INFO L225 Difference]: With dead ends: 97 [2024-11-28 05:14:32,100 INFO L226 Difference]: Without dead ends: 48 [2024-11-28 05:14:32,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 98 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 05:14:32,108 INFO L435 NwaCegarLoop]: 70 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, 70 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 05:14:32,110 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:14:32,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-28 05:14:32,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-28 05:14:32,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 31 states have internal predecessors, (40), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 05:14:32,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 70 transitions. [2024-11-28 05:14:32,161 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 70 transitions. Word has length 99 [2024-11-28 05:14:32,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:14:32,163 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 70 transitions. [2024-11-28 05:14:32,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 05:14:32,164 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 70 transitions. [2024-11-28 05:14:32,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-28 05:14:32,168 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:14:32,168 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:14:32,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/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)] Ended with exit code 0 [2024-11-28 05:14:32,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/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 05:14:32,369 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:14:32,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:14:32,370 INFO L85 PathProgramCache]: Analyzing trace with hash 922424189, now seen corresponding path program 1 times [2024-11-28 05:14:32,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:14:32,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1676501564] [2024-11-28 05:14:32,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:14:32,371 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 05:14:32,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:14:32,374 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/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 05:14:32,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/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 05:14:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:14:32,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 05:14:32,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:14:33,800 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 05:14:33,801 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:14:33,801 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:14:33,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1676501564] [2024-11-28 05:14:33,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1676501564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:14:33,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:14:33,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:14:33,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941195820] [2024-11-28 05:14:33,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:14:33,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:14:33,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:14:33,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:14:33,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:14:33,805 INFO L87 Difference]: Start difference. First operand 48 states and 70 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 05:14:36,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 05:14:36,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:14:36,542 INFO L93 Difference]: Finished difference Result 93 states and 137 transitions. [2024-11-28 05:14:36,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:14:36,566 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 99 [2024-11-28 05:14:36,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:14:36,568 INFO L225 Difference]: With dead ends: 93 [2024-11-28 05:14:36,568 INFO L226 Difference]: Without dead ends: 48 [2024-11-28 05:14:36,569 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:14:36,571 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 60 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-28 05:14:36,571 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 63 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-28 05:14:36,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-28 05:14:36,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-28 05:14:36,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 05:14:36,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2024-11-28 05:14:36,593 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 99 [2024-11-28 05:14:36,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:14:36,595 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2024-11-28 05:14:36,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 05:14:36,595 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2024-11-28 05:14:36,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-28 05:14:36,603 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:14:36,603 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:14:36,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/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)] Forceful destruction successful, exit code 0 [2024-11-28 05:14:36,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/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 05:14:36,804 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:14:36,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:14:36,805 INFO L85 PathProgramCache]: Analyzing trace with hash -238136193, now seen corresponding path program 1 times [2024-11-28 05:14:36,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:14:36,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1975413122] [2024-11-28 05:14:36,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:14:36,805 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 05:14:36,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:14:36,810 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/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 05:14:36,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/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 05:14:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:14:37,344 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 05:14:37,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:14:39,754 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 134 proven. 6 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-28 05:14:39,755 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:14:41,057 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-28 05:14:41,057 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:14:41,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1975413122] [2024-11-28 05:14:41,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1975413122] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:14:41,061 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:14:41,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2024-11-28 05:14:41,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662179341] [2024-11-28 05:14:41,062 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:14:41,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 05:14:41,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:14:41,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 05:14:41,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-28 05:14:41,065 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 4 states have call successors, (30), 3 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-28 05:14:45,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 05:14:47,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 05:14:50,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 05:14:50,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:14:50,222 INFO L93 Difference]: Finished difference Result 212 states and 304 transitions. [2024-11-28 05:14:50,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 05:14:50,224 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 4 states have call successors, (30), 3 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 100 [2024-11-28 05:14:50,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:14:50,227 INFO L225 Difference]: With dead ends: 212 [2024-11-28 05:14:50,227 INFO L226 Difference]: Without dead ends: 167 [2024-11-28 05:14:50,228 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 188 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=162, Invalid=344, Unknown=0, NotChecked=0, Total=506 [2024-11-28 05:14:50,229 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 297 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:14:50,230 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 278 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2024-11-28 05:14:50,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-28 05:14:50,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 119. [2024-11-28 05:14:50,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 73 states have (on average 1.2191780821917808) internal successors, (89), 74 states have internal predecessors, (89), 41 states have call successors, (41), 4 states have call predecessors, (41), 4 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-28 05:14:50,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 171 transitions. [2024-11-28 05:14:50,281 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 171 transitions. Word has length 100 [2024-11-28 05:14:50,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:14:50,282 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 171 transitions. [2024-11-28 05:14:50,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 4 states have call successors, (30), 3 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-28 05:14:50,283 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 171 transitions. [2024-11-28 05:14:50,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-28 05:14:50,287 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:14:50,288 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:14:50,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/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 05:14:50,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/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 05:14:50,489 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:14:50,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:14:50,490 INFO L85 PathProgramCache]: Analyzing trace with hash -2078037757, now seen corresponding path program 1 times [2024-11-28 05:14:50,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:14:50,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1212900719] [2024-11-28 05:14:50,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:14:50,491 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 05:14:50,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:14:50,495 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/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 05:14:50,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded9e336-eb4a-4cf2-916e-d7e9b44f9bc7/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 05:14:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:14:50,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-28 05:14:50,966 INFO L279 TraceCheckSpWp]: Computing forward predicates...