./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-58.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fe164f-020b-4354-8343-32a46693c0c2/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fe164f-020b-4354-8343-32a46693c0c2/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fe164f-020b-4354-8343-32a46693c0c2/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fe164f-020b-4354-8343-32a46693c0c2/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-58.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fe164f-020b-4354-8343-32a46693c0c2/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fe164f-020b-4354-8343-32a46693c0c2/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 13108a5c3bacc5ce6e958a5e44015745c2ee93daeeb0571bc9f62449e98a2b62 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:31:59,311 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:31:59,413 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fe164f-020b-4354-8343-32a46693c0c2/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 00:31:59,419 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:31:59,419 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:31:59,466 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:31:59,467 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:31:59,468 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:31:59,468 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:31:59,469 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:31:59,469 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:31:59,469 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:31:59,470 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:31:59,470 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:31:59,470 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:31:59,471 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:31:59,472 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:31:59,473 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:31:59,473 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:31:59,473 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:31:59,473 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:31:59,473 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:31:59,473 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:31:59,473 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:31:59,473 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:31:59,473 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:31:59,473 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:31:59,474 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:31:59,474 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:31:59,474 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:31:59,474 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:31:59,474 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:31:59,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:31:59,474 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:31:59,474 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:31:59,474 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:31:59,474 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:31:59,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:31:59,475 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:31:59,475 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:31:59,475 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:31:59,475 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:31:59,475 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:31:59,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:31:59,475 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:31:59,475 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:31:59,475 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:31:59,475 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:31:59,476 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_d8fe164f-020b-4354-8343-32a46693c0c2/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13108a5c3bacc5ce6e958a5e44015745c2ee93daeeb0571bc9f62449e98a2b62 [2024-11-24 00:31:59,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:31:59,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:31:59,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:31:59,884 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:31:59,885 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:31:59,886 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fe164f-020b-4354-8343-32a46693c0c2/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-58.i [2024-11-24 00:32:03,191 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fe164f-020b-4354-8343-32a46693c0c2/bin/uautomizer-verify-LYvppIcaGC/data/8ce59ff20/f8bb478a5a4e4e5180aeedcae4b863da/FLAGfd5e30e9f [2024-11-24 00:32:03,548 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:32:03,549 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fe164f-020b-4354-8343-32a46693c0c2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-58.i [2024-11-24 00:32:03,568 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fe164f-020b-4354-8343-32a46693c0c2/bin/uautomizer-verify-LYvppIcaGC/data/8ce59ff20/f8bb478a5a4e4e5180aeedcae4b863da/FLAGfd5e30e9f [2024-11-24 00:32:03,791 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fe164f-020b-4354-8343-32a46693c0c2/bin/uautomizer-verify-LYvppIcaGC/data/8ce59ff20/f8bb478a5a4e4e5180aeedcae4b863da [2024-11-24 00:32:03,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:32:03,797 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:32:03,799 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:32:03,800 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:32:03,806 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:32:03,807 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:32:03" (1/1) ... [2024-11-24 00:32:03,809 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb5f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:03, skipping insertion in model container [2024-11-24 00:32:03,811 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:32:03" (1/1) ... [2024-11-24 00:32:03,847 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:32:04,068 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_d8fe164f-020b-4354-8343-32a46693c0c2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-58.i[919,932] [2024-11-24 00:32:04,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:32:04,183 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:32:04,202 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_d8fe164f-020b-4354-8343-32a46693c0c2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-58.i[919,932] [2024-11-24 00:32:04,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:32:04,274 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:32:04,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:04 WrapperNode [2024-11-24 00:32:04,275 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:32:04,276 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:32:04,276 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:32:04,277 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:32:04,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:04" (1/1) ... [2024-11-24 00:32:04,305 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:04" (1/1) ... [2024-11-24 00:32:04,374 INFO L138 Inliner]: procedures = 26, calls = 56, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 271 [2024-11-24 00:32:04,374 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:32:04,375 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:32:04,375 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:32:04,375 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:32:04,389 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:04" (1/1) ... [2024-11-24 00:32:04,389 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:04" (1/1) ... [2024-11-24 00:32:04,399 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:04" (1/1) ... [2024-11-24 00:32:04,440 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 00:32:04,441 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:04" (1/1) ... [2024-11-24 00:32:04,441 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:04" (1/1) ... [2024-11-24 00:32:04,459 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:04" (1/1) ... [2024-11-24 00:32:04,464 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:04" (1/1) ... [2024-11-24 00:32:04,472 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:04" (1/1) ... [2024-11-24 00:32:04,475 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:04" (1/1) ... [2024-11-24 00:32:04,480 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:04" (1/1) ... [2024-11-24 00:32:04,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:32:04,489 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:32:04,489 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:32:04,490 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:32:04,491 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:04" (1/1) ... [2024-11-24 00:32:04,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:32:04,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fe164f-020b-4354-8343-32a46693c0c2/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:32:04,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fe164f-020b-4354-8343-32a46693c0c2/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:32:04,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fe164f-020b-4354-8343-32a46693c0c2/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:32:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:32:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:32:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:32:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:32:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:32:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:32:04,699 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:32:04,700 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:32:05,345 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-24 00:32:05,345 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:32:05,359 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:32:05,359 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:32:05,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:32:05 BoogieIcfgContainer [2024-11-24 00:32:05,360 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:32:05,363 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:32:05,363 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:32:05,369 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:32:05,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:32:03" (1/3) ... [2024-11-24 00:32:05,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359a5104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:32:05, skipping insertion in model container [2024-11-24 00:32:05,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:04" (2/3) ... [2024-11-24 00:32:05,371 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359a5104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:32:05, skipping insertion in model container [2024-11-24 00:32:05,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:32:05" (3/3) ... [2024-11-24 00:32:05,372 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-58.i [2024-11-24 00:32:05,391 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:32:05,393 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-58.i that has 2 procedures, 118 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:32:05,466 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:32:05,488 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;@209b1315, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:32:05,490 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:32:05,495 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 72 states have (on average 1.4444444444444444) internal successors, (104), 73 states have internal predecessors, (104), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-24 00:32:05,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-24 00:32:05,522 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:32:05,523 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:32:05,523 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:32:05,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:32:05,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1204031684, now seen corresponding path program 1 times [2024-11-24 00:32:05,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:32:05,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375039736] [2024-11-24 00:32:05,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:32:05,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:32:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:41:42,867 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-24 00:41:42,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:41:42,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375039736] [2024-11-24 00:41:42,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375039736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:41:42,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:41:42,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-24 00:41:42,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552883008] [2024-11-24 00:41:42,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:41:42,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-24 00:41:42,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:41:42,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-24 00:41:42,903 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:41:42,905 INFO L87 Difference]: Start difference. First operand has 118 states, 72 states have (on average 1.4444444444444444) internal successors, (104), 73 states have internal predecessors, (104), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) Second operand has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-24 00:41:45,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:41:45,244 INFO L93 Difference]: Finished difference Result 393 states and 698 transitions. [2024-11-24 00:41:45,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 00:41:45,247 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 264 [2024-11-24 00:41:45,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:41:45,258 INFO L225 Difference]: With dead ends: 393 [2024-11-24 00:41:45,258 INFO L226 Difference]: Without dead ends: 278 [2024-11-24 00:41:45,262 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2024-11-24 00:41:45,265 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 349 mSDsluCounter, 1274 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 1444 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:41:45,266 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 1444 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-24 00:41:45,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2024-11-24 00:41:45,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 146. [2024-11-24 00:41:45,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 101 states have (on average 1.4851485148514851) internal successors, (150), 101 states have internal predecessors, (150), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-24 00:41:45,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 236 transitions. [2024-11-24 00:41:45,325 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 236 transitions. Word has length 264 [2024-11-24 00:41:45,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:41:45,328 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 236 transitions. [2024-11-24 00:41:45,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-24 00:41:45,328 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 236 transitions. [2024-11-24 00:41:45,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-24 00:41:45,333 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:41:45,337 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:41:45,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 00:41:45,337 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:41:45,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:41:45,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1502587710, now seen corresponding path program 1 times [2024-11-24 00:41:45,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:41:45,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932385955] [2024-11-24 00:41:45,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:41:45,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:41:45,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:46:14,242 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-24 00:46:14,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:46:14,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932385955] [2024-11-24 00:46:14,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932385955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:46:14,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:46:14,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-24 00:46:14,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654233106] [2024-11-24 00:46:14,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:46:14,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-24 00:46:14,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:46:14,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-24 00:46:14,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:46:14,248 INFO L87 Difference]: Start difference. First operand 146 states and 236 transitions. Second operand has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-24 00:46:19,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:46:19,164 INFO L93 Difference]: Finished difference Result 305 states and 493 transitions. [2024-11-24 00:46:19,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 00:46:19,166 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 264 [2024-11-24 00:46:19,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:46:19,170 INFO L225 Difference]: With dead ends: 305 [2024-11-24 00:46:19,170 INFO L226 Difference]: Without dead ends: 303 [2024-11-24 00:46:19,171 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2024-11-24 00:46:19,172 INFO L435 NwaCegarLoop]: 217 mSDtfsCounter, 273 mSDsluCounter, 1342 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 1559 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:46:19,172 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 1559 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-24 00:46:19,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-24 00:46:19,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 146. [2024-11-24 00:46:19,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 101 states have (on average 1.4851485148514851) internal successors, (150), 101 states have internal predecessors, (150), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-24 00:46:19,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 236 transitions. [2024-11-24 00:46:19,196 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 236 transitions. Word has length 264 [2024-11-24 00:46:19,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:46:19,197 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 236 transitions. [2024-11-24 00:46:19,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-24 00:46:19,198 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 236 transitions. [2024-11-24 00:46:19,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-24 00:46:19,203 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:46:19,203 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:46:19,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:46:19,204 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:46:19,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:46:19,205 INFO L85 PathProgramCache]: Analyzing trace with hash -781329858, now seen corresponding path program 1 times [2024-11-24 00:46:19,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:46:19,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647247452] [2024-11-24 00:46:19,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:46:19,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:46:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat