./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-74.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_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/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_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-74.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/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_a6af450b-d155-4143-97b0-941b2d4c0117/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 48cb43e6d4f543bf73df37df1a48b7d9baa6618a0e8789e4cecc2b475ed6ea9b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:33:14,270 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:33:14,381 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 23:33:14,392 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:33:14,392 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:33:14,438 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:33:14,439 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:33:14,440 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:33:14,440 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:33:14,441 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:33:14,442 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:33:14,442 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:33:14,443 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:33:14,443 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:33:14,444 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:33:14,444 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:33:14,444 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:33:14,445 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:33:14,445 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:33:14,445 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:33:14,445 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:33:14,445 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:33:14,445 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:33:14,446 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:33:14,446 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:33:14,446 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:33:14,446 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:33:14,446 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:33:14,446 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:33:14,446 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:33:14,447 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:33:14,448 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:33:14,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:33:14,448 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:33:14,448 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:33:14,448 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:33:14,448 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:33:14,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:33:14,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:33:14,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:33:14,449 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:33:14,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:33:14,449 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:33:14,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:33:14,450 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:33:14,450 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:33:14,450 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:33:14,451 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:33:14,451 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_a6af450b-d155-4143-97b0-941b2d4c0117/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 -> 48cb43e6d4f543bf73df37df1a48b7d9baa6618a0e8789e4cecc2b475ed6ea9b [2024-11-23 23:33:14,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:33:14,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:33:14,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:33:14,843 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:33:14,844 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:33:14,845 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-74.i [2024-11-23 23:33:18,419 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/data/a396dc77e/ec2b2bfee7ac480b848a3bcc2ccad6c6/FLAG9268267c1 [2024-11-23 23:33:18,790 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:33:18,791 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-74.i [2024-11-23 23:33:18,805 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/data/a396dc77e/ec2b2bfee7ac480b848a3bcc2ccad6c6/FLAG9268267c1 [2024-11-23 23:33:18,826 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/data/a396dc77e/ec2b2bfee7ac480b848a3bcc2ccad6c6 [2024-11-23 23:33:18,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:33:18,831 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:33:18,833 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:33:18,833 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:33:18,839 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:33:18,840 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:33:18" (1/1) ... [2024-11-23 23:33:18,841 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7490d79a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:18, skipping insertion in model container [2024-11-23 23:33:18,841 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:33:18" (1/1) ... [2024-11-23 23:33:18,868 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:33:19,091 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_a6af450b-d155-4143-97b0-941b2d4c0117/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-74.i[915,928] [2024-11-23 23:33:19,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:33:19,184 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:33:19,197 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_a6af450b-d155-4143-97b0-941b2d4c0117/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-74.i[915,928] [2024-11-23 23:33:19,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:33:19,261 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:33:19,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:19 WrapperNode [2024-11-23 23:33:19,262 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:33:19,263 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:33:19,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:33:19,263 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:33:19,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:19" (1/1) ... [2024-11-23 23:33:19,291 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:19" (1/1) ... [2024-11-23 23:33:19,362 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 179 [2024-11-23 23:33:19,363 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:33:19,368 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:33:19,368 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:33:19,368 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:33:19,384 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:19" (1/1) ... [2024-11-23 23:33:19,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:19" (1/1) ... [2024-11-23 23:33:19,388 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:19" (1/1) ... [2024-11-23 23:33:19,420 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]. [2024-11-23 23:33:19,421 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:19" (1/1) ... [2024-11-23 23:33:19,421 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:19" (1/1) ... [2024-11-23 23:33:19,429 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:19" (1/1) ... [2024-11-23 23:33:19,430 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:19" (1/1) ... [2024-11-23 23:33:19,434 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:19" (1/1) ... [2024-11-23 23:33:19,436 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:19" (1/1) ... [2024-11-23 23:33:19,437 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:19" (1/1) ... [2024-11-23 23:33:19,440 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:33:19,441 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:33:19,441 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:33:19,442 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:33:19,443 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:19" (1/1) ... [2024-11-23 23:33:19,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:33:19,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:33:19,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:33:19,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:33:19,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:33:19,515 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:33:19,515 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:33:19,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:33:19,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:33:19,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:33:19,635 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:33:19,638 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:33:20,201 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-23 23:33:20,201 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:33:20,214 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:33:20,214 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-23 23:33:20,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:33:20 BoogieIcfgContainer [2024-11-23 23:33:20,217 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:33:20,221 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:33:20,221 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:33:20,227 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:33:20,227 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:33:18" (1/3) ... [2024-11-23 23:33:20,230 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53814cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:33:20, skipping insertion in model container [2024-11-23 23:33:20,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:19" (2/3) ... [2024-11-23 23:33:20,231 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53814cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:33:20, skipping insertion in model container [2024-11-23 23:33:20,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:33:20" (3/3) ... [2024-11-23 23:33:20,233 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-74.i [2024-11-23 23:33:20,250 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:33:20,252 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-1loop_file-74.i that has 2 procedures, 79 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:33:20,325 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:33:20,343 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;@2f560a77, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:33:20,343 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:33:20,349 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 55 states have internal predecessors, (74), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-23 23:33:20,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-23 23:33:20,369 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:33:20,370 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:33:20,371 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:33:20,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:20,379 INFO L85 PathProgramCache]: Analyzing trace with hash 408594286, now seen corresponding path program 1 times [2024-11-23 23:33:20,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:20,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434508638] [2024-11-23 23:33:20,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:20,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:20,893 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-11-23 23:33:20,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:20,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434508638] [2024-11-23 23:33:20,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434508638] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:33:20,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954785306] [2024-11-23 23:33:20,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:20,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:33:20,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:33:20,903 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:33:20,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:33:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:21,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:33:21,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:33:21,261 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-11-23 23:33:21,261 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:33:21,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954785306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:21,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:33:21,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 23:33:21,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469319620] [2024-11-23 23:33:21,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:21,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:33:21,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:21,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:33:21,294 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:33:21,296 INFO L87 Difference]: Start difference. First operand has 79 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 55 states have internal predecessors, (74), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-23 23:33:21,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:33:21,333 INFO L93 Difference]: Finished difference Result 154 states and 253 transitions. [2024-11-23 23:33:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:33:21,335 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 146 [2024-11-23 23:33:21,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:33:21,346 INFO L225 Difference]: With dead ends: 154 [2024-11-23 23:33:21,346 INFO L226 Difference]: Without dead ends: 74 [2024-11-23 23:33:21,353 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:33:21,358 INFO L435 NwaCegarLoop]: 112 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, 112 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 [2024-11-23 23:33:21,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:33:21,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-23 23:33:21,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-11-23 23:33:21,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 50 states have (on average 1.28) internal successors, (64), 50 states have internal predecessors, (64), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-23 23:33:21,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 108 transitions. [2024-11-23 23:33:21,436 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 108 transitions. Word has length 146 [2024-11-23 23:33:21,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:33:21,438 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 108 transitions. [2024-11-23 23:33:21,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-23 23:33:21,439 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2024-11-23 23:33:21,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-23 23:33:21,448 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:33:21,448 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:33:21,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 23:33:21,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 23:33:21,653 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:33:21,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:21,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1373631074, now seen corresponding path program 1 times [2024-11-23 23:33:21,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:21,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604029194] [2024-11-23 23:33:21,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:21,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:21,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:22,026 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-23 23:33:22,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:22,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604029194] [2024-11-23 23:33:22,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604029194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:22,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:22,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:33:22,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349421688] [2024-11-23 23:33:22,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:22,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:22,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:22,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:22,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:22,033 INFO L87 Difference]: Start difference. First operand 74 states and 108 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-23 23:33:22,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:33:22,102 INFO L93 Difference]: Finished difference Result 180 states and 260 transitions. [2024-11-23 23:33:22,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:22,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 146 [2024-11-23 23:33:22,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:33:22,106 INFO L225 Difference]: With dead ends: 180 [2024-11-23 23:33:22,106 INFO L226 Difference]: Without dead ends: 109 [2024-11-23 23:33:22,107 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:22,108 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 47 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:33:22,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 201 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:33:22,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-23 23:33:22,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 106. [2024-11-23 23:33:22,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 73 states have (on average 1.2602739726027397) internal successors, (92), 74 states have internal predecessors, (92), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-23 23:33:22,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 152 transitions. [2024-11-23 23:33:22,132 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 152 transitions. Word has length 146 [2024-11-23 23:33:22,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:33:22,133 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 152 transitions. [2024-11-23 23:33:22,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-23 23:33:22,133 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 152 transitions. [2024-11-23 23:33:22,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-23 23:33:22,135 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:33:22,135 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:33:22,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:33:22,136 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:33:22,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:22,137 INFO L85 PathProgramCache]: Analyzing trace with hash 2053689444, now seen corresponding path program 1 times [2024-11-23 23:33:22,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:22,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707423959] [2024-11-23 23:33:22,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:22,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:23,305 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-23 23:33:23,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:23,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707423959] [2024-11-23 23:33:23,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707423959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:23,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:23,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:33:23,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868568695] [2024-11-23 23:33:23,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:23,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:33:23,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:23,308 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:33:23,308 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:33:23,308 INFO L87 Difference]: Start difference. First operand 106 states and 152 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-23 23:33:23,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:33:23,906 INFO L93 Difference]: Finished difference Result 302 states and 432 transitions. [2024-11-23 23:33:23,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:33:23,908 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 146 [2024-11-23 23:33:23,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:33:23,913 INFO L225 Difference]: With dead ends: 302 [2024-11-23 23:33:23,913 INFO L226 Difference]: Without dead ends: 199 [2024-11-23 23:33:23,914 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:33:23,915 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 77 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:33:23,916 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 346 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:33:23,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-23 23:33:23,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 154. [2024-11-23 23:33:23,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 97 states have (on average 1.1958762886597938) internal successors, (116), 98 states have internal predecessors, (116), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-23 23:33:23,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 220 transitions. [2024-11-23 23:33:23,984 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 220 transitions. Word has length 146 [2024-11-23 23:33:23,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:33:23,987 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 220 transitions. [2024-11-23 23:33:23,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-23 23:33:23,987 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 220 transitions. [2024-11-23 23:33:23,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-23 23:33:23,989 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:33:23,990 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:33:23,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:33:23,990 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:33:23,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:23,994 INFO L85 PathProgramCache]: Analyzing trace with hash 135041381, now seen corresponding path program 1 times [2024-11-23 23:33:23,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:23,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413167582] [2024-11-23 23:33:23,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:23,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:24,976 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-23 23:33:24,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:24,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413167582] [2024-11-23 23:33:24,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413167582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:24,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:24,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:33:24,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025669341] [2024-11-23 23:33:24,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:24,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:33:24,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:24,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:33:24,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:33:24,984 INFO L87 Difference]: Start difference. First operand 154 states and 220 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-23 23:33:25,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:33:25,445 INFO L93 Difference]: Finished difference Result 302 states and 431 transitions. [2024-11-23 23:33:25,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:33:25,446 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 147 [2024-11-23 23:33:25,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:33:25,448 INFO L225 Difference]: With dead ends: 302 [2024-11-23 23:33:25,448 INFO L226 Difference]: Without dead ends: 199 [2024-11-23 23:33:25,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:33:25,455 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 75 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:33:25,458 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 347 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:33:25,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-23 23:33:25,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 155. [2024-11-23 23:33:25,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 98 states have (on average 1.1938775510204083) internal successors, (117), 99 states have internal predecessors, (117), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-23 23:33:25,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 221 transitions. [2024-11-23 23:33:25,527 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 221 transitions. Word has length 147 [2024-11-23 23:33:25,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:33:25,528 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 221 transitions. [2024-11-23 23:33:25,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-23 23:33:25,530 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 221 transitions. [2024-11-23 23:33:25,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-23 23:33:25,537 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:33:25,537 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:33:25,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:33:25,537 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:33:25,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:25,538 INFO L85 PathProgramCache]: Analyzing trace with hash -886026973, now seen corresponding path program 1 times [2024-11-23 23:33:25,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:25,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471732300] [2024-11-23 23:33:25,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:25,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:26,559 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-23 23:33:26,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:26,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471732300] [2024-11-23 23:33:26,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471732300] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:26,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:26,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:33:26,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775170133] [2024-11-23 23:33:26,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:26,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:33:26,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:26,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:33:26,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:33:26,563 INFO L87 Difference]: Start difference. First operand 155 states and 221 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-23 23:33:26,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:33:26,878 INFO L93 Difference]: Finished difference Result 265 states and 381 transitions. [2024-11-23 23:33:26,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:33:26,879 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 147 [2024-11-23 23:33:26,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:33:26,883 INFO L225 Difference]: With dead ends: 265 [2024-11-23 23:33:26,884 INFO L226 Difference]: Without dead ends: 162 [2024-11-23 23:33:26,884 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:33:26,886 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 94 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:33:26,889 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 363 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:33:26,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-23 23:33:26,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 155. [2024-11-23 23:33:26,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 98 states have (on average 1.1734693877551021) internal successors, (115), 99 states have internal predecessors, (115), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-23 23:33:26,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 219 transitions. [2024-11-23 23:33:26,970 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 219 transitions. Word has length 147 [2024-11-23 23:33:26,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:33:26,971 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 219 transitions. [2024-11-23 23:33:26,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-23 23:33:26,972 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 219 transitions. [2024-11-23 23:33:26,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-23 23:33:26,974 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:33:26,974 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:33:26,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 23:33:26,975 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:33:26,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:26,977 INFO L85 PathProgramCache]: Analyzing trace with hash 846445396, now seen corresponding path program 1 times [2024-11-23 23:33:26,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:26,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898713358] [2024-11-23 23:33:26,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:26,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 23:33:27,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [103121807] [2024-11-23 23:33:27,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:27,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:33:27,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:33:27,075 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:33:27,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:33:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:33:27,257 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:33:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:33:27,509 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 23:33:27,511 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 23:33:27,512 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:33:27,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 23:33:27,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:33:27,718 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-23 23:33:27,874 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:33:27,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:33:27 BoogieIcfgContainer [2024-11-23 23:33:27,880 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:33:27,880 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:33:27,881 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:33:27,881 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:33:27,882 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:33:20" (3/4) ... [2024-11-23 23:33:27,886 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 23:33:27,887 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:33:27,889 INFO L158 Benchmark]: Toolchain (without parser) took 9056.71ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 117.2MB in the beginning and 128.3MB in the end (delta: -11.1MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2024-11-23 23:33:27,889 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:33:27,890 INFO L158 Benchmark]: CACSL2BoogieTranslator took 429.44ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 102.9MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:33:27,891 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.78ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 100.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:33:27,891 INFO L158 Benchmark]: Boogie Preprocessor took 72.71ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 97.0MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:33:27,891 INFO L158 Benchmark]: RCFGBuilder took 776.21ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 75.8MB in the end (delta: 21.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 23:33:27,892 INFO L158 Benchmark]: TraceAbstraction took 7659.09ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 75.2MB in the beginning and 128.3MB in the end (delta: -53.1MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2024-11-23 23:33:27,893 INFO L158 Benchmark]: Witness Printer took 6.44ms. Allocated memory is still 176.2MB. Free memory was 128.3MB in the beginning and 128.3MB in the end (delta: 30.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:33:27,895 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 429.44ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 102.9MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.78ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 100.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 72.71ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 97.0MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 776.21ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 75.8MB in the end (delta: 21.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 7659.09ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 75.2MB in the beginning and 128.3MB in the end (delta: -53.1MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Witness Printer took 6.44ms. Allocated memory is still 176.2MB. Free memory was 128.3MB in the beginning and 128.3MB in the end (delta: 30.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 127, overapproximation of someBinaryFLOATComparisonOperation at line 125, overapproximation of someBinaryFLOATComparisonOperation at line 136, overapproximation of someBinaryFLOATComparisonOperation at line 119, overapproximation of someBinaryFLOATComparisonOperation at line 121, overapproximation of someBinaryFLOATComparisonOperation at line 123, overapproximation of someBinaryFLOATComparisonOperation at line 129, overapproximation of someBinaryDOUBLEComparisonOperation at line 136, overapproximation of someBinaryArithmeticFLOAToperation at line 86. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 64; [L23] unsigned char var_1_4 = 0; [L24] unsigned long int var_1_5 = 3914692693; [L25] unsigned long int var_1_7 = 1; [L26] unsigned char var_1_8 = 0; [L27] unsigned char var_1_9 = 0; [L28] unsigned char var_1_10 = 0; [L29] unsigned char var_1_11 = 50; [L30] signed long int var_1_12 = 25; [L31] signed long int var_1_13 = 1; [L32] float var_1_15 = 4.75; [L33] unsigned char var_1_16 = 100; [L34] float var_1_17 = 50.1; [L35] float var_1_18 = 100.9; [L36] float var_1_19 = 8.5; [L37] float var_1_20 = 10.625; [L38] float var_1_21 = 0.0; [L39] float var_1_22 = 7.8; [L40] float var_1_23 = 8.25; [L41] double var_1_24 = 5.5; [L42] unsigned long int last_1_var_1_1 = 64; [L43] unsigned char last_1_var_1_11 = 50; VAL [isInitial=0, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3914692693, var_1_7=1, var_1_8=0, var_1_9=0] [L140] isInitial = 1 [L141] FCALL initially() [L142] int k_loop; [L143] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3914692693, var_1_7=1, var_1_8=0, var_1_9=0] [L143] COND TRUE k_loop < 1 VAL [isInitial=1, k_loop=0, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3914692693, var_1_7=1, var_1_8=0, var_1_9=0] [L144] CALL updateLastVariables() [L132] last_1_var_1_1 = var_1_1 [L133] last_1_var_1_11 = var_1_11 VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3914692693, var_1_7=1, var_1_8=0, var_1_9=0] [L144] RET updateLastVariables() [L145] CALL updateVariables() [L94] var_1_4 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_5=3914692693, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_5=3914692693, var_1_7=1, var_1_8=0, var_1_9=0] [L95] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_5=3914692693, var_1_7=1, var_1_8=0, var_1_9=0] [L96] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3914692693, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3914692693, var_1_7=1, var_1_8=0, var_1_9=0] [L96] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3914692693, var_1_7=1, var_1_8=0, var_1_9=0] [L97] var_1_5 = __VERIFIER_nondet_ulong() [L98] CALL assume_abort_if_not(var_1_5 >= 3221225470) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=1, var_1_8=0, var_1_9=0] [L98] RET assume_abort_if_not(var_1_5 >= 3221225470) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=1, var_1_8=0, var_1_9=0] [L99] CALL assume_abort_if_not(var_1_5 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=1, var_1_8=0, var_1_9=0] [L99] RET assume_abort_if_not(var_1_5 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=1, var_1_8=0, var_1_9=0] [L100] var_1_7 = __VERIFIER_nondet_ulong() [L101] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_8=0, var_1_9=0] [L101] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_8=0, var_1_9=0] [L102] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L102] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L103] var_1_9 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0] [L104] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0] [L105] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L105] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L106] var_1_10 = __VERIFIER_nondet_uchar() [L107] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L107] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L108] CALL assume_abort_if_not(var_1_10 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L108] RET assume_abort_if_not(var_1_10 <= 0) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L109] var_1_12 = __VERIFIER_nondet_long() [L110] CALL assume_abort_if_not(var_1_12 >= 14) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L110] RET assume_abort_if_not(var_1_12 >= 14) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L111] CALL assume_abort_if_not(var_1_12 <= 29) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L111] RET assume_abort_if_not(var_1_12 <= 29) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L112] var_1_13 = __VERIFIER_nondet_long() [L113] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L113] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L114] CALL assume_abort_if_not(var_1_13 <= 14) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L114] RET assume_abort_if_not(var_1_13 <= 14) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L115] var_1_16 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L116] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L117] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L117] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L118] var_1_17 = __VERIFIER_nondet_float() [L119] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L119] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L120] var_1_19 = __VERIFIER_nondet_float() [L121] 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_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L121] 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_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L122] var_1_20 = __VERIFIER_nondet_float() [L123] CALL assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=64, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=64, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L123] RET assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=64, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L124] var_1_21 = __VERIFIER_nondet_float() [L125] CALL assume_abort_if_not((var_1_21 >= 2305843.009213691390e+12F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=64, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=64, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L125] RET assume_abort_if_not((var_1_21 >= 2305843.009213691390e+12F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=64, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L126] var_1_22 = __VERIFIER_nondet_float() [L127] CALL assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=64, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=64, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L127] RET assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=64, var_1_23=33/4, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L128] var_1_23 = __VERIFIER_nondet_float() [L129] CALL assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=64, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=64, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L129] RET assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=64, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L145] RET updateVariables() [L146] CALL step() [L47] signed long int stepLocal_1 = last_1_var_1_11; [L48] signed long int stepLocal_0 = last_1_var_1_11; VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, stepLocal_0=50, stepLocal_1=50, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=64, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L49] COND TRUE stepLocal_1 < last_1_var_1_1 VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, stepLocal_0=50, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=64, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L50] COND FALSE !(last_1_var_1_1 <= stepLocal_0) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=64, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L54] unsigned long int stepLocal_3 = var_1_7; VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, stepLocal_3=0, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=64, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L55] EXPR 5u << (var_1_12 - var_1_13) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, stepLocal_3=0, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=64, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L55] unsigned long int stepLocal_2 = 5u << (var_1_12 - var_1_13); [L56] COND FALSE !(! ((var_1_5 > var_1_7) || var_1_8)) [L67] var_1_11 = var_1_12 VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, stepLocal_2=5, stepLocal_3=0, var_1_10=0, var_1_11=14, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=64, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L69] COND FALSE !(! (var_1_11 >= var_1_11)) [L76] var_1_1 = var_1_11 VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, stepLocal_2=5, stepLocal_3=0, var_1_10=0, var_1_11=14, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=14, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L78] COND FALSE !(\read(var_1_10)) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, stepLocal_2=5, stepLocal_3=0, var_1_10=0, var_1_11=14, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=14, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L83] COND FALSE !(\read(var_1_10)) [L86] var_1_18 = (((var_1_21 - var_1_22) - var_1_23) + var_1_20) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, stepLocal_2=5, stepLocal_3=0, var_1_10=0, var_1_11=14, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_1=14, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L88] unsigned long int stepLocal_4 = ~ var_1_1; VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, stepLocal_2=5, stepLocal_3=0, stepLocal_4=4294967281, var_1_10=0, var_1_11=14, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_1=14, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L89] COND FALSE !(stepLocal_4 <= (var_1_12 - var_1_11)) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, stepLocal_2=5, stepLocal_3=0, var_1_10=0, var_1_11=14, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_1=14, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L146] RET step() [L147] CALL, EXPR property() [L136] EXPR (((! (var_1_11 >= var_1_11)) ? (var_1_8 ? (var_1_1 == ((unsigned long int) ((var_1_5 - var_1_11) - var_1_11))) : (var_1_1 == ((unsigned long int) var_1_5))) : (var_1_1 == ((unsigned long int) var_1_11))) && ((last_1_var_1_11 < last_1_var_1_1) ? ((last_1_var_1_1 <= last_1_var_1_11) ? (var_1_8 == ((unsigned char) ((var_1_4 && var_1_9) || var_1_10))) : 1) : 1)) && ((! ((var_1_5 > var_1_7) || var_1_8)) ? (((5u << (var_1_12 - var_1_13)) > (var_1_5 / 25u)) ? (((-64 * var_1_5) != var_1_7) ? (var_1_11 == ((unsigned char) ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=14, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_1=14, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L136] EXPR (! ((var_1_5 > var_1_7) || var_1_8)) ? (((5u << (var_1_12 - var_1_13)) > (var_1_5 / 25u)) ? (((-64 * var_1_5) != var_1_7) ? (var_1_11 == ((unsigned char) ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12)) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=14, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_1=14, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L136] EXPR (((! (var_1_11 >= var_1_11)) ? (var_1_8 ? (var_1_1 == ((unsigned long int) ((var_1_5 - var_1_11) - var_1_11))) : (var_1_1 == ((unsigned long int) var_1_5))) : (var_1_1 == ((unsigned long int) var_1_11))) && ((last_1_var_1_11 < last_1_var_1_1) ? ((last_1_var_1_1 <= last_1_var_1_11) ? (var_1_8 == ((unsigned char) ((var_1_4 && var_1_9) || var_1_10))) : 1) : 1)) && ((! ((var_1_5 > var_1_7) || var_1_8)) ? (((5u << (var_1_12 - var_1_13)) > (var_1_5 / 25u)) ? (((-64 * var_1_5) != var_1_7) ? (var_1_11 == ((unsigned char) ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=14, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_1=14, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L136-L137] return ((((((! (var_1_11 >= var_1_11)) ? (var_1_8 ? (var_1_1 == ((unsigned long int) ((var_1_5 - var_1_11) - var_1_11))) : (var_1_1 == ((unsigned long int) var_1_5))) : (var_1_1 == ((unsigned long int) var_1_11))) && ((last_1_var_1_11 < last_1_var_1_1) ? ((last_1_var_1_1 <= last_1_var_1_11) ? (var_1_8 == ((unsigned char) ((var_1_4 && var_1_9) || var_1_10))) : 1) : 1)) && ((! ((var_1_5 > var_1_7) || var_1_8)) ? (((5u << (var_1_12 - var_1_13)) > (var_1_5 / 25u)) ? (((-64 * var_1_5) != var_1_7) ? (var_1_11 == ((unsigned char) ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12)))) && (var_1_10 ? ((var_1_1 > (var_1_11 / (var_1_12 + var_1_16))) ? (var_1_15 == ((float) var_1_17)) : 1) : 1)) && (var_1_10 ? (var_1_18 == ((float) (var_1_19 + var_1_20))) : (var_1_18 == ((float) (((var_1_21 - var_1_22) - var_1_23) + var_1_20))))) && (((~ var_1_1) <= (var_1_12 - var_1_11)) ? (var_1_24 == ((double) var_1_22)) : 1) ; [L147] RET, EXPR property() [L147] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=14, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_1=14, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=14, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_1=14, var_1_24=11/2, var_1_4=0, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 79 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.4s, OverallIterations: 6, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 293 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 293 mSDsluCounter, 1369 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 774 mSDsCounter, 136 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 257 IncrementalHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 136 mSolverCounterUnsat, 595 mSDtfsCounter, 257 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 174 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=4, InterpolantAutomatonStates: 19, 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, 5 MinimizatonAttempts, 99 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1176 NumberOfCodeBlocks, 1176 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 872 ConstructedInterpolants, 0 QuantifiedInterpolants, 2069 SizeOfPredicates, 0 NumberOfNonLiveVariables, 329 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 5502/5544 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 [2024-11-23 23:33:27,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/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_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-74.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/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 48cb43e6d4f543bf73df37df1a48b7d9baa6618a0e8789e4cecc2b475ed6ea9b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:33:31,194 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:33:31,361 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 23:33:31,373 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:33:31,374 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:33:31,418 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:33:31,420 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:33:31,420 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:33:31,421 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:33:31,421 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:33:31,422 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:33:31,423 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:33:31,423 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:33:31,424 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:33:31,424 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:33:31,425 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:33:31,425 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:33:31,425 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:33:31,425 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:33:31,425 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:33:31,426 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:33:31,426 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:33:31,426 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:33:31,426 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 23:33:31,426 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 23:33:31,427 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 23:33:31,427 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:33:31,427 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:33:31,427 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:33:31,427 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:33:31,427 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:33:31,428 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:33:31,428 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:33:31,429 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:33:31,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:33:31,429 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:33:31,429 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:33:31,429 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:33:31,429 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:33:31,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:33:31,430 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:33:31,430 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:33:31,430 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:33:31,431 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:33:31,431 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 23:33:31,431 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 23:33:31,432 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:33:31,432 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:33:31,432 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:33:31,432 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:33:31,432 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_a6af450b-d155-4143-97b0-941b2d4c0117/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 -> 48cb43e6d4f543bf73df37df1a48b7d9baa6618a0e8789e4cecc2b475ed6ea9b [2024-11-23 23:33:31,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:33:31,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:33:31,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:33:31,879 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:33:31,879 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:33:31,881 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-74.i [2024-11-23 23:33:35,451 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/data/73d39b925/ea6c8efbb3e342c9b5f11f5011fd3244/FLAGbc098ab2d [2024-11-23 23:33:35,753 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:33:35,754 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-74.i [2024-11-23 23:33:35,765 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/data/73d39b925/ea6c8efbb3e342c9b5f11f5011fd3244/FLAGbc098ab2d [2024-11-23 23:33:35,783 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/data/73d39b925/ea6c8efbb3e342c9b5f11f5011fd3244 [2024-11-23 23:33:35,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:33:35,789 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:33:35,792 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:33:35,792 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:33:35,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:33:35,801 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:33:35" (1/1) ... [2024-11-23 23:33:35,803 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34687a1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:35, skipping insertion in model container [2024-11-23 23:33:35,806 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:33:35" (1/1) ... [2024-11-23 23:33:35,832 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:33:36,057 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_a6af450b-d155-4143-97b0-941b2d4c0117/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-74.i[915,928] [2024-11-23 23:33:36,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:33:36,191 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:33:36,209 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_a6af450b-d155-4143-97b0-941b2d4c0117/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-74.i[915,928] [2024-11-23 23:33:36,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:33:36,300 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:33:36,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:36 WrapperNode [2024-11-23 23:33:36,301 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:33:36,303 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:33:36,303 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:33:36,304 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:33:36,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:36" (1/1) ... [2024-11-23 23:33:36,333 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:36" (1/1) ... [2024-11-23 23:33:36,384 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 154 [2024-11-23 23:33:36,384 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:33:36,387 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:33:36,387 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:33:36,387 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:33:36,398 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:36" (1/1) ... [2024-11-23 23:33:36,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:36" (1/1) ... [2024-11-23 23:33:36,402 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:36" (1/1) ... [2024-11-23 23:33:36,415 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]. [2024-11-23 23:33:36,415 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:36" (1/1) ... [2024-11-23 23:33:36,416 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:36" (1/1) ... [2024-11-23 23:33:36,427 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:36" (1/1) ... [2024-11-23 23:33:36,429 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:36" (1/1) ... [2024-11-23 23:33:36,433 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:36" (1/1) ... [2024-11-23 23:33:36,436 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:36" (1/1) ... [2024-11-23 23:33:36,438 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:36" (1/1) ... [2024-11-23 23:33:36,442 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:33:36,443 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:33:36,443 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:33:36,443 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:33:36,444 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:36" (1/1) ... [2024-11-23 23:33:36,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:33:36,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:33:36,489 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:33:36,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:33:36,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:33:36,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 23:33:36,524 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:33:36,524 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:33:36,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:33:36,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:33:36,622 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:33:36,625 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:33:40,760 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-23 23:33:40,760 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:33:40,776 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:33:40,776 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-23 23:33:40,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:33:40 BoogieIcfgContainer [2024-11-23 23:33:40,778 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:33:40,782 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:33:40,782 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:33:40,812 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:33:40,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:33:35" (1/3) ... [2024-11-23 23:33:40,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75909bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:33:40, skipping insertion in model container [2024-11-23 23:33:40,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:36" (2/3) ... [2024-11-23 23:33:40,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75909bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:33:40, skipping insertion in model container [2024-11-23 23:33:40,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:33:40" (3/3) ... [2024-11-23 23:33:40,817 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-74.i [2024-11-23 23:33:40,836 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:33:40,838 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-1loop_file-74.i that has 2 procedures, 69 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:33:40,925 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:33:40,943 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;@5ffb7cd8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:33:40,943 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:33:40,947 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-23 23:33:40,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-23 23:33:40,959 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:33:40,960 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:33:40,961 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:33:40,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:40,966 INFO L85 PathProgramCache]: Analyzing trace with hash -80199191, now seen corresponding path program 1 times [2024-11-23 23:33:40,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:33:40,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1661264809] [2024-11-23 23:33:40,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:40,979 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 [2024-11-23 23:33:40,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:33:40,981 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:33:40,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-23 23:33:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:41,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:33:41,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:33:41,698 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 362 proven. 0 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2024-11-23 23:33:41,698 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:33:41,699 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:33:41,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1661264809] [2024-11-23 23:33:41,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1661264809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:41,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:41,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:33:41,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300101601] [2024-11-23 23:33:41,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:41,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:33:41,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:33:41,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:33:41,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:33:41,740 INFO L87 Difference]: Start difference. First operand has 69 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-23 23:33:41,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:33:41,775 INFO L93 Difference]: Finished difference Result 134 states and 225 transitions. [2024-11-23 23:33:41,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:33:41,777 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 142 [2024-11-23 23:33:41,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:33:41,783 INFO L225 Difference]: With dead ends: 134 [2024-11-23 23:33:41,783 INFO L226 Difference]: Without dead ends: 64 [2024-11-23 23:33:41,787 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:33:41,790 INFO L435 NwaCegarLoop]: 98 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, 98 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 [2024-11-23 23:33:41,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:33:41,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-23 23:33:41,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-11-23 23:33:41,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 40 states have (on average 1.25) internal successors, (50), 40 states have internal predecessors, (50), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-23 23:33:41,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 94 transitions. [2024-11-23 23:33:41,844 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 94 transitions. Word has length 142 [2024-11-23 23:33:41,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:33:41,845 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 94 transitions. [2024-11-23 23:33:41,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-23 23:33:41,846 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions. [2024-11-23 23:33:41,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-23 23:33:41,851 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:33:41,851 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:33:41,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-23 23:33:42,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:33:42,052 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:33:42,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:42,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1851860701, now seen corresponding path program 1 times [2024-11-23 23:33:42,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:33:42,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1721982885] [2024-11-23 23:33:42,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:42,055 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 [2024-11-23 23:33:42,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:33:42,058 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:33:42,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-23 23:33:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:42,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 23:33:42,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:33:44,938 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-23 23:33:44,939 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:33:44,939 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:33:44,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1721982885] [2024-11-23 23:33:44,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1721982885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:44,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:44,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:33:44,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417774023] [2024-11-23 23:33:44,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:44,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:33:44,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:33:44,945 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:33:44,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:33:44,945 INFO L87 Difference]: Start difference. First operand 64 states and 94 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-23 23:33:47,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:33:49,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:33:49,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:33:49,908 INFO L93 Difference]: Finished difference Result 188 states and 278 transitions. [2024-11-23 23:33:49,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:33:49,929 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2024-11-23 23:33:49,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:33:49,933 INFO L225 Difference]: With dead ends: 188 [2024-11-23 23:33:49,933 INFO L226 Difference]: Without dead ends: 127 [2024-11-23 23:33:49,934 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:33:49,935 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 56 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-23 23:33:49,935 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 293 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-11-23 23:33:49,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-23 23:33:49,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 108. [2024-11-23 23:33:49,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 61 states have (on average 1.1639344262295082) internal successors, (71), 61 states have internal predecessors, (71), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-23 23:33:49,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 159 transitions. [2024-11-23 23:33:49,988 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 159 transitions. Word has length 142 [2024-11-23 23:33:49,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:33:49,990 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 159 transitions. [2024-11-23 23:33:49,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-23 23:33:49,990 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 159 transitions. [2024-11-23 23:33:49,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-23 23:33:49,993 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:33:49,993 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:33:50,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-23 23:33:50,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:33:50,194 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:33:50,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:50,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1953612938, now seen corresponding path program 1 times [2024-11-23 23:33:50,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:33:50,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1870117788] [2024-11-23 23:33:50,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:50,197 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 [2024-11-23 23:33:50,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:33:50,199 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:33:50,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-23 23:33:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:50,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 23:33:50,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:33:52,747 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-23 23:33:52,747 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:33:52,747 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:33:52,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1870117788] [2024-11-23 23:33:52,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1870117788] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:52,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:52,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:33:52,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638806294] [2024-11-23 23:33:52,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:52,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:33:52,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:33:52,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:33:52,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:33:52,753 INFO L87 Difference]: Start difference. First operand 108 states and 159 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-23 23:33:57,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:34:01,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.09s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:34:01,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:34:01,136 INFO L93 Difference]: Finished difference Result 188 states and 277 transitions. [2024-11-23 23:34:01,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:34:01,155 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 143 [2024-11-23 23:34:01,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:34:01,158 INFO L225 Difference]: With dead ends: 188 [2024-11-23 23:34:01,158 INFO L226 Difference]: Without dead ends: 127 [2024-11-23 23:34:01,159 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:34:01,160 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 54 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 45 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:34:01,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 294 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 75 Invalid, 1 Unknown, 0 Unchecked, 8.3s Time] [2024-11-23 23:34:01,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-23 23:34:01,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 109. [2024-11-23 23:34:01,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 62 states have (on average 1.1612903225806452) internal successors, (72), 62 states have internal predecessors, (72), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-23 23:34:01,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 160 transitions. [2024-11-23 23:34:01,189 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 160 transitions. Word has length 143 [2024-11-23 23:34:01,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:34:01,190 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 160 transitions. [2024-11-23 23:34:01,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-23 23:34:01,190 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 160 transitions. [2024-11-23 23:34:01,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-23 23:34:01,193 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:34:01,193 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:34:01,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-23 23:34:01,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:34:01,394 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:34:01,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:34:01,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1695447500, now seen corresponding path program 1 times [2024-11-23 23:34:01,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:34:01,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [492394501] [2024-11-23 23:34:01,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:34:01,395 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 [2024-11-23 23:34:01,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:34:01,401 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:34:01,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-23 23:34:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:34:01,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-23 23:34:01,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:34:03,453 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 494 proven. 60 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-23 23:34:03,453 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:34:04,814 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-23 23:34:04,814 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:34:04,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [492394501] [2024-11-23 23:34:04,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [492394501] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:34:04,815 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:34:04,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 17 [2024-11-23 23:34:04,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872037443] [2024-11-23 23:34:04,815 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:34:04,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-23 23:34:04,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:34:04,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-23 23:34:04,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2024-11-23 23:34:04,818 INFO L87 Difference]: Start difference. First operand 109 states and 160 transitions. Second operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 16 states have internal predecessors, (66), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-23 23:34:09,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:34:12,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:34:14,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:34:15,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:34:16,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:34:16,425 INFO L93 Difference]: Finished difference Result 226 states and 316 transitions. [2024-11-23 23:34:16,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-23 23:34:16,427 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 16 states have internal predecessors, (66), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 143 [2024-11-23 23:34:16,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:34:16,430 INFO L225 Difference]: With dead ends: 226 [2024-11-23 23:34:16,430 INFO L226 Difference]: Without dead ends: 165 [2024-11-23 23:34:16,431 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2024-11-23 23:34:16,432 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 161 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:34:16,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 345 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 11.1s Time] [2024-11-23 23:34:16,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-23 23:34:16,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 156. [2024-11-23 23:34:16,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 94 states have (on average 1.1382978723404256) internal successors, (107), 95 states have internal predecessors, (107), 54 states have call successors, (54), 7 states have call predecessors, (54), 7 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-23 23:34:16,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 215 transitions. [2024-11-23 23:34:16,488 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 215 transitions. Word has length 143 [2024-11-23 23:34:16,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:34:16,492 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 215 transitions. [2024-11-23 23:34:16,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 16 states have internal predecessors, (66), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-23 23:34:16,492 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 215 transitions. [2024-11-23 23:34:16,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-23 23:34:16,499 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:34:16,499 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:34:16,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-23 23:34:16,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:34:16,700 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:34:16,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:34:16,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1693600458, now seen corresponding path program 1 times [2024-11-23 23:34:16,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:34:16,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1832795816] [2024-11-23 23:34:16,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:34:16,702 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 [2024-11-23 23:34:16,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:34:16,707 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:34:16,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af450b-d155-4143-97b0-941b2d4c0117/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-23 23:34:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:34:17,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-23 23:34:17,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:35:30,238 WARN L286 SmtUtils]: Spent 25.71s on a formula simplification that was a NOOP. DAG size: 56 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-23 23:36:32,045 WARN L286 SmtUtils]: Spent 24.02s on a formula simplification that was a NOOP. DAG size: 59 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)