./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-23.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_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/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_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-23.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/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_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/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 1607fb04e82f6bdb3f2f7b93ce52ad7e9406a3329c4e53f96991c085e2a86f74 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:09:41,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:09:41,337 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 00:09:41,346 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:09:41,347 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:09:41,392 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:09:41,394 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:09:41,394 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:09:41,395 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:09:41,395 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:09:41,396 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:09:41,396 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:09:41,397 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:09:41,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:09:41,397 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:09:41,398 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:09:41,398 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:09:41,398 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:09:41,399 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:09:41,399 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:09:41,399 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:09:41,399 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:09:41,399 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:09:41,400 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:09:41,400 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:09:41,400 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:09:41,400 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:09:41,400 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:09:41,400 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:09:41,401 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:09:41,401 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:09:41,401 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:09:41,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:09:41,401 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:09:41,401 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:09:41,401 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:09:41,401 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:09:41,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:09:41,402 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:09:41,402 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:09:41,402 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:09:41,402 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:09:41,402 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:09:41,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:09:41,402 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:09:41,402 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:09:41,402 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:09:41,402 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:09:41,402 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_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/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 -> 1607fb04e82f6bdb3f2f7b93ce52ad7e9406a3329c4e53f96991c085e2a86f74 [2024-11-24 00:09:41,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:09:41,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:09:41,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:09:41,827 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:09:41,827 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:09:41,829 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-23.i [2024-11-24 00:09:45,594 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/data/480ebcace/add7cd0936ab41deb72e4968795fd595/FLAG8a4ef4620 [2024-11-24 00:09:45,935 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:09:45,936 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-23.i [2024-11-24 00:09:45,957 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/data/480ebcace/add7cd0936ab41deb72e4968795fd595/FLAG8a4ef4620 [2024-11-24 00:09:45,984 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/data/480ebcace/add7cd0936ab41deb72e4968795fd595 [2024-11-24 00:09:45,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:09:45,991 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:09:45,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:09:45,995 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:09:46,001 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:09:46,002 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:09:45" (1/1) ... [2024-11-24 00:09:46,003 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dd8e9e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:09:46, skipping insertion in model container [2024-11-24 00:09:46,003 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:09:45" (1/1) ... [2024-11-24 00:09:46,034 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:09:46,271 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_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-23.i[915,928] [2024-11-24 00:09:46,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:09:46,384 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:09:46,398 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_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-23.i[915,928] [2024-11-24 00:09:46,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:09:46,462 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:09:46,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:09:46 WrapperNode [2024-11-24 00:09:46,463 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:09:46,464 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:09:46,464 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:09:46,465 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:09:46,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:09:46" (1/1) ... [2024-11-24 00:09:46,484 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:09:46" (1/1) ... [2024-11-24 00:09:46,546 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 145 [2024-11-24 00:09:46,546 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:09:46,547 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:09:46,547 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:09:46,547 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:09:46,558 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:09:46" (1/1) ... [2024-11-24 00:09:46,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:09:46" (1/1) ... [2024-11-24 00:09:46,566 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:09:46" (1/1) ... [2024-11-24 00:09:46,588 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 00:09:46,588 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:09:46" (1/1) ... [2024-11-24 00:09:46,589 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:09:46" (1/1) ... [2024-11-24 00:09:46,601 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:09:46" (1/1) ... [2024-11-24 00:09:46,603 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:09:46" (1/1) ... [2024-11-24 00:09:46,613 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:09:46" (1/1) ... [2024-11-24 00:09:46,620 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:09:46" (1/1) ... [2024-11-24 00:09:46,626 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:09:46" (1/1) ... [2024-11-24 00:09:46,635 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:09:46,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:09:46,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:09:46,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:09:46,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:09:46" (1/1) ... [2024-11-24 00:09:46,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:09:46,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:09:46,691 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:09:46,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:09:46,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:09:46,733 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:09:46,734 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:09:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:09:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:09:46,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:09:46,827 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:09:46,830 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:09:47,324 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-24 00:09:47,328 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:09:47,349 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:09:47,350 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:09:47,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:09:47 BoogieIcfgContainer [2024-11-24 00:09:47,351 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:09:47,353 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:09:47,354 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:09:47,358 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:09:47,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:09:45" (1/3) ... [2024-11-24 00:09:47,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f1cc685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:09:47, skipping insertion in model container [2024-11-24 00:09:47,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:09:46" (2/3) ... [2024-11-24 00:09:47,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f1cc685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:09:47, skipping insertion in model container [2024-11-24 00:09:47,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:09:47" (3/3) ... [2024-11-24 00:09:47,362 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-23.i [2024-11-24 00:09:47,377 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:09:47,379 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-23.i that has 2 procedures, 65 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:09:47,473 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:09:47,495 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;@67294d3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:09:47,496 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:09:47,501 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-24 00:09:47,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-24 00:09:47,520 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:09:47,522 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:09:47,522 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:09:47,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:09:47,531 INFO L85 PathProgramCache]: Analyzing trace with hash 622962357, now seen corresponding path program 1 times [2024-11-24 00:09:47,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:09:47,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029119214] [2024-11-24 00:09:47,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:09:47,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:09:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:09:48,031 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-11-24 00:09:48,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:09:48,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029119214] [2024-11-24 00:09:48,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029119214] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:09:48,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684477842] [2024-11-24 00:09:48,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:09:48,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:09:48,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:09:48,083 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:09:48,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:09:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:09:48,359 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:09:48,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:09:48,448 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-11-24 00:09:48,451 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:09:48,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684477842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:09:48,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:09:48,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 00:09:48,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758832956] [2024-11-24 00:09:48,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:09:48,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:09:48,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:09:48,491 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:09:48,493 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:09:48,498 INFO L87 Difference]: Start difference. First operand has 65 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-24 00:09:48,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:09:48,540 INFO L93 Difference]: Finished difference Result 123 states and 211 transitions. [2024-11-24 00:09:48,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:09:48,543 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 135 [2024-11-24 00:09:48,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:09:48,553 INFO L225 Difference]: With dead ends: 123 [2024-11-24 00:09:48,554 INFO L226 Difference]: Without dead ends: 61 [2024-11-24 00:09:48,559 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:09:48,565 INFO L435 NwaCegarLoop]: 91 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, 91 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 [2024-11-24 00:09:48,567 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:09:48,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-24 00:09:48,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-24 00:09:48,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-24 00:09:48,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 91 transitions. [2024-11-24 00:09:48,624 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 91 transitions. Word has length 135 [2024-11-24 00:09:48,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:09:48,625 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 91 transitions. [2024-11-24 00:09:48,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-24 00:09:48,626 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 91 transitions. [2024-11-24 00:09:48,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-24 00:09:48,630 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:09:48,630 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:09:48,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 00:09:48,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 00:09:48,831 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:09:48,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:09:48,832 INFO L85 PathProgramCache]: Analyzing trace with hash -232026073, now seen corresponding path program 1 times [2024-11-24 00:09:48,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:09:48,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107208585] [2024-11-24 00:09:48,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:09:48,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:09:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 00:09:49,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1545892238] [2024-11-24 00:09:49,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:09:49,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:09:49,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:09:49,246 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:09:49,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 00:09:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:09:49,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-24 00:09:49,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:09:51,815 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 462 proven. 21 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2024-11-24 00:09:51,816 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:10:24,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:10:24,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107208585] [2024-11-24 00:10:24,502 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-24 00:10:24,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545892238] [2024-11-24 00:10:24,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545892238] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:10:24,502 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:10:24,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2024-11-24 00:10:24,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075287084] [2024-11-24 00:10:24,503 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-24 00:10:24,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-24 00:10:24,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:10:24,505 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-24 00:10:24,505 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=563, Unknown=0, NotChecked=0, Total=756 [2024-11-24 00:10:24,506 INFO L87 Difference]: Start difference. First operand 61 states and 91 transitions. Second operand has 18 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 16 states have internal predecessors, (48), 4 states have call successors, (21), 4 states have call predecessors, (21), 6 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-24 00:10:26,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:10:26,708 INFO L93 Difference]: Finished difference Result 213 states and 305 transitions. [2024-11-24 00:10:26,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-24 00:10:26,710 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 16 states have internal predecessors, (48), 4 states have call successors, (21), 4 states have call predecessors, (21), 6 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) Word has length 135 [2024-11-24 00:10:26,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:10:26,715 INFO L225 Difference]: With dead ends: 213 [2024-11-24 00:10:26,717 INFO L226 Difference]: Without dead ends: 155 [2024-11-24 00:10:26,719 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 556 ImplicationChecksByTransitivity, 13.9s TimeCoverageRelationStatistics Valid=578, Invalid=1678, Unknown=0, NotChecked=0, Total=2256 [2024-11-24 00:10:26,722 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 134 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:10:26,723 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 506 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 00:10:26,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-24 00:10:26,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 127. [2024-11-24 00:10:26,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 78 states have (on average 1.2307692307692308) internal successors, (96), 78 states have internal predecessors, (96), 42 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-24 00:10:26,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 180 transitions. [2024-11-24 00:10:26,773 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 180 transitions. Word has length 135 [2024-11-24 00:10:26,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:10:26,774 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 180 transitions. [2024-11-24 00:10:26,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 16 states have internal predecessors, (48), 4 states have call successors, (21), 4 states have call predecessors, (21), 6 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-24 00:10:26,774 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 180 transitions. [2024-11-24 00:10:26,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-24 00:10:26,776 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:10:26,777 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:10:26,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 00:10:26,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-24 00:10:26,981 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:10:26,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:10:26,982 INFO L85 PathProgramCache]: Analyzing trace with hash -230179031, now seen corresponding path program 1 times [2024-11-24 00:10:26,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:10:26,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664820713] [2024-11-24 00:10:26,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:26,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:10:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 00:10:27,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [189888426] [2024-11-24 00:10:27,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:27,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:10:27,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:27,222 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:10:27,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 00:10:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:10:27,486 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:10:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:10:27,792 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 00:10:27,792 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 00:10:27,793 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:10:27,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-24 00:10:27,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:10:27,999 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-24 00:10:28,107 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:10:28,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:10:28 BoogieIcfgContainer [2024-11-24 00:10:28,115 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:10:28,119 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:10:28,119 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:10:28,120 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:10:28,121 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:09:47" (3/4) ... [2024-11-24 00:10:28,124 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 00:10:28,125 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:10:28,126 INFO L158 Benchmark]: Toolchain (without parser) took 42135.36ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 117.2MB in the beginning and 262.6MB in the end (delta: -145.3MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2024-11-24 00:10:28,129 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:10:28,129 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.08ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 102.7MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:10:28,130 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.22ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 98.9MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:10:28,130 INFO L158 Benchmark]: Boogie Preprocessor took 90.47ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 93.1MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:10:28,130 INFO L158 Benchmark]: RCFGBuilder took 712.41ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 70.5MB in the end (delta: 22.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 00:10:28,132 INFO L158 Benchmark]: TraceAbstraction took 40762.02ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 70.0MB in the beginning and 262.6MB in the end (delta: -192.6MB). Peak memory consumption was 137.0MB. Max. memory is 16.1GB. [2024-11-24 00:10:28,133 INFO L158 Benchmark]: Witness Printer took 5.97ms. Allocated memory is still 310.4MB. Free memory was 262.6MB in the beginning and 262.6MB in the end (delta: 63.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:10:28,135 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 469.08ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 102.7MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.22ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 98.9MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 90.47ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 93.1MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 712.41ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 70.5MB in the end (delta: 22.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 40762.02ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 70.0MB in the beginning and 262.6MB in the end (delta: -192.6MB). Peak memory consumption was 137.0MB. Max. memory is 16.1GB. * Witness Printer took 5.97ms. Allocated memory is still 310.4MB. Free memory was 262.6MB in the beginning and 262.6MB in the end (delta: 63.3kB). 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 135, overapproximation of someBinaryFLOATComparisonOperation at line 67, overapproximation of someBinaryFLOATComparisonOperation at line 104, overapproximation of someBinaryFLOATComparisonOperation at line 108, overapproximation of someBinaryFLOATComparisonOperation at line 112, overapproximation of someBinaryFLOATComparisonOperation at line 106, overapproximation of someBinaryFLOATComparisonOperation at line 110, overapproximation of someUnaryDOUBLEoperation at line 41, overapproximation of someBinaryDOUBLEComparisonOperation at line 135, overapproximation of someBinaryDOUBLEComparisonOperation at line 66. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 0; [L25] float var_1_4 = 1.4; [L26] float var_1_7 = 9.25; [L27] float var_1_8 = 1.2; [L28] float var_1_9 = 0.0; [L29] float var_1_10 = 3.1; [L30] float var_1_11 = 500.5; [L31] signed long int var_1_12 = 0; [L32] unsigned char var_1_13 = 10; [L33] unsigned char var_1_14 = 8; [L34] unsigned char var_1_17 = 64; [L35] unsigned long int var_1_18 = 25; [L36] signed char var_1_19 = -100; [L37] signed short int var_1_20 = -4; [L38] unsigned short int var_1_21 = 200; [L39] unsigned short int var_1_22 = 54878; [L40] double var_1_23 = 9999.8; [L41] float var_1_24 = -0.25; [L42] signed char var_1_25 = 50; [L43] signed char last_1_var_1_19 = -100; VAL [isInitial=0, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L139] isInitial = 1 [L140] FCALL initially() [L142] CALL updateLastVariables() [L132] last_1_var_1_19 = var_1_19 VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L142] RET updateLastVariables() [L143] CALL updateVariables() [L97] var_1_2 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_3=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_3=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L98] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_3=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L99] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L99] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L100] var_1_3 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L101] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L102] CALL assume_abort_if_not(var_1_3 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L102] RET assume_abort_if_not(var_1_3 <= 0) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L103] var_1_7 = __VERIFIER_nondet_float() [L104] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_8=6/5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_8=6/5, var_1_9=0] [L104] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_8=6/5, var_1_9=0] [L105] var_1_8 = __VERIFIER_nondet_float() [L106] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_9=0] [L106] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5, var_1_9=0] [L107] var_1_9 = __VERIFIER_nondet_float() [L108] CALL assume_abort_if_not((var_1_9 >= 4611686.018427382800e+12F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L108] RET assume_abort_if_not((var_1_9 >= 4611686.018427382800e+12F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L109] var_1_10 = __VERIFIER_nondet_float() [L110] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L110] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=-100, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L111] var_1_11 = __VERIFIER_nondet_float() [L112] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L112] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L113] var_1_13 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L114] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L115] CALL assume_abort_if_not(var_1_13 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L115] RET assume_abort_if_not(var_1_13 <= 64) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L116] var_1_14 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L117] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L118] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L118] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L119] var_1_17 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L120] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L121] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L121] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L122] CALL assume_abort_if_not(var_1_17 != 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L122] RET assume_abort_if_not(var_1_17 != 127) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L123] var_1_20 = __VERIFIER_nondet_short() [L124] CALL assume_abort_if_not(var_1_20 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L124] RET assume_abort_if_not(var_1_20 >= -32768) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L125] CALL assume_abort_if_not(var_1_20 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L125] RET assume_abort_if_not(var_1_20 <= 32767) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L126] CALL assume_abort_if_not(var_1_20 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L126] RET assume_abort_if_not(var_1_20 != 0) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L127] var_1_22 = __VERIFIER_nondet_ushort() [L128] CALL assume_abort_if_not(var_1_22 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=163839, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=163839, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L128] RET assume_abort_if_not(var_1_22 >= 32767) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=163839, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L129] CALL assume_abort_if_not(var_1_22 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=163839, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=163839, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L129] RET assume_abort_if_not(var_1_22 <= 65534) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=163839, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L143] RET updateVariables() [L144] CALL step() [L47] COND TRUE \read(var_1_2) [L48] var_1_1 = var_1_3 VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=163839, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L50] signed long int stepLocal_4 = 5; VAL [isInitial=1, last_1_var_1_19=-100, stepLocal_4=5, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=163839, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L51] COND TRUE stepLocal_4 <= var_1_17 [L52] var_1_21 = (var_1_22 - var_1_17) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=32644, var_1_22=163839, var_1_23=49999/5, var_1_25=50, var_1_2=1, var_1_3=0, var_1_4=7/5] [L62] var_1_23 = var_1_10 [L63] var_1_24 = 31.75f [L64] var_1_25 = -5 [L65] unsigned char stepLocal_0 = var_1_1; VAL [isInitial=1, last_1_var_1_19=-100, stepLocal_0=0, var_1_10=2, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=32644, var_1_22=163839, var_1_23=2, var_1_24=127/4, var_1_25=-5, var_1_2=1, var_1_3=0, var_1_4=7/5] [L66] COND TRUE (var_1_23 <= var_1_23) || stepLocal_0 [L67] var_1_4 = ((((31.5f) > (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))))) ? (31.5f) : (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))))) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=2, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=32644, var_1_22=163839, var_1_23=2, var_1_24=127/4, var_1_25=-5, var_1_2=1, var_1_3=0, var_1_4=63/2, var_1_7=0, var_1_8=0] [L71] signed long int stepLocal_3 = (200 - var_1_13) - var_1_14; [L72] unsigned char stepLocal_2 = var_1_13; [L73] unsigned char stepLocal_1 = var_1_13; VAL [isInitial=1, last_1_var_1_19=-100, stepLocal_1=-448, stepLocal_2=-448, stepLocal_3=136, var_1_10=2, var_1_12=0, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=32644, var_1_22=163839, var_1_23=2, var_1_24=127/4, var_1_25=-5, var_1_2=1, var_1_3=0, var_1_4=63/2, var_1_7=0, var_1_8=0] [L74] COND TRUE stepLocal_3 != var_1_25 [L75] var_1_12 = (var_1_13 + ((((var_1_14) < (var_1_21)) ? (var_1_14) : (var_1_21)))) VAL [isInitial=1, last_1_var_1_19=-100, stepLocal_1=-448, stepLocal_2=-448, var_1_10=2, var_1_12=64, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=32644, var_1_22=163839, var_1_23=2, var_1_24=127/4, var_1_25=-5, var_1_2=1, var_1_3=0, var_1_4=63/2, var_1_7=0, var_1_8=0] [L87] COND TRUE (- (var_1_13 / var_1_17)) > var_1_25 [L88] var_1_18 = var_1_13 VAL [isInitial=1, last_1_var_1_19=-100, stepLocal_1=-448, stepLocal_2=-448, var_1_10=2, var_1_12=64, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=64, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=32644, var_1_22=163839, var_1_23=2, var_1_24=127/4, var_1_25=-5, var_1_2=1, var_1_3=0, var_1_4=63/2, var_1_7=0, var_1_8=0] [L90] COND FALSE !((last_1_var_1_19 / ((((var_1_17) < (var_1_20)) ? (var_1_17) : (var_1_20)))) > var_1_21) [L93] var_1_19 = var_1_17 VAL [isInitial=1, last_1_var_1_19=-100, stepLocal_1=-448, stepLocal_2=-448, var_1_10=2, var_1_12=64, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=64, var_1_19=123, var_1_1=0, var_1_20=-1, var_1_21=32644, var_1_22=163839, var_1_23=2, var_1_24=127/4, var_1_25=-5, var_1_2=1, var_1_3=0, var_1_4=63/2, var_1_7=0, var_1_8=0] [L144] RET step() [L145] CALL, EXPR property() [L135-L136] return ((((((((var_1_2 ? (var_1_1 == ((unsigned char) var_1_3)) : 1) && (((var_1_23 <= var_1_23) || var_1_1) ? (var_1_4 == ((float) ((((31.5f) > (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))))) ? (31.5f) : (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))))))) : (var_1_4 == ((float) ((var_1_9 - var_1_10) - var_1_11))))) && ((((200 - var_1_13) - var_1_14) != var_1_25) ? (var_1_12 == ((signed long int) (var_1_13 + ((((var_1_14) < (var_1_21)) ? (var_1_14) : (var_1_21)))))) : (((var_1_25 / (128 - var_1_17)) < var_1_13) ? ((var_1_13 >= var_1_25) ? (var_1_12 == ((signed long int) var_1_14)) : (var_1_12 == ((signed long int) var_1_17))) : (var_1_12 == ((signed long int) var_1_17))))) && (((- (var_1_13 / var_1_17)) > var_1_25) ? (var_1_18 == ((unsigned long int) var_1_13)) : 1)) && (((last_1_var_1_19 / ((((var_1_17) < (var_1_20)) ? (var_1_17) : (var_1_20)))) > var_1_21) ? (var_1_19 == ((signed char) ((((var_1_17) > (var_1_13)) ? (var_1_17) : (var_1_13))))) : (var_1_19 == ((signed char) var_1_17)))) && ((5 <= var_1_17) ? (var_1_21 == ((unsigned short int) (var_1_22 - var_1_17))) : (var_1_1 ? (var_1_1 ? (var_1_21 == ((unsigned short int) var_1_17)) : (var_1_21 == ((unsigned short int) var_1_17))) : 1))) && (var_1_23 == ((double) var_1_10))) && (var_1_24 == ((float) 31.75f))) && (var_1_25 == ((signed char) -5)) ; VAL [\result=0, isInitial=1, last_1_var_1_19=-100, var_1_10=2, var_1_12=64, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=64, var_1_19=123, var_1_1=0, var_1_20=-1, var_1_21=32644, var_1_22=163839, var_1_23=2, var_1_24=127/4, var_1_25=-5, var_1_2=1, var_1_3=0, var_1_4=63/2, var_1_7=0, var_1_8=0] [L145] RET, EXPR property() [L145] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=2, var_1_12=64, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=64, var_1_19=123, var_1_1=0, var_1_20=-1, var_1_21=32644, var_1_22=163839, var_1_23=2, var_1_24=127/4, var_1_25=-5, var_1_2=1, var_1_3=0, var_1_4=63/2, var_1_7=0, var_1_8=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=2, var_1_12=64, var_1_13=-448, var_1_14=0, var_1_17=123, var_1_18=64, var_1_19=123, var_1_1=0, var_1_20=-1, var_1_21=32644, var_1_22=163839, var_1_23=2, var_1_24=127/4, var_1_25=-5, var_1_2=1, var_1_3=0, var_1_4=63/2, var_1_7=0, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 40.6s, OverallIterations: 3, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 134 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 134 mSDsluCounter, 597 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 451 mSDsCounter, 79 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 517 IncrementalHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 79 mSolverCounterUnsat, 146 mSDtfsCounter, 517 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 316 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 556 ImplicationChecksByTransitivity, 13.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=2, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 28 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 35.2s InterpolantComputationTime, 810 NumberOfCodeBlocks, 810 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 402 ConstructedInterpolants, 0 QuantifiedInterpolants, 1501 SizeOfPredicates, 7 NumberOfNonLiveVariables, 640 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 2459/2520 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 [2024-11-24 00:10:28,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/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_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-23.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/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_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/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 1607fb04e82f6bdb3f2f7b93ce52ad7e9406a3329c4e53f96991c085e2a86f74 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:10:31,339 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:10:31,473 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 00:10:31,491 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:10:31,491 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:10:31,581 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:10:31,584 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:10:31,584 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:10:31,584 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:10:31,585 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:10:31,585 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:10:31,585 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:10:31,585 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:10:31,585 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:10:31,586 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:10:31,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:10:31,586 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:10:31,586 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:10:31,586 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:10:31,586 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:10:31,586 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:10:31,586 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:10:31,587 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:10:31,588 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 00:10:31,589 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 00:10:31,589 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 00:10:31,589 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:10:31,589 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:10:31,589 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:10:31,589 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:10:31,589 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:10:31,589 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:10:31,589 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:10:31,589 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:10:31,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:10:31,590 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:10:31,590 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:10:31,590 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:10:31,590 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:10:31,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:10:31,590 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:10:31,590 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:10:31,590 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:10:31,590 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:10:31,590 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 00:10:31,590 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 00:10:31,590 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:10:31,591 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:10:31,591 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:10:31,591 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:10:31,591 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_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/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 -> 1607fb04e82f6bdb3f2f7b93ce52ad7e9406a3329c4e53f96991c085e2a86f74 [2024-11-24 00:10:31,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:10:31,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:10:31,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:10:31,931 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:10:31,931 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:10:31,933 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-23.i [2024-11-24 00:10:35,590 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/data/1f4aac468/772dba3feb574c15bba761cd995677a5/FLAG1d42078b7 [2024-11-24 00:10:35,967 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:10:35,968 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-23.i [2024-11-24 00:10:35,979 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/data/1f4aac468/772dba3feb574c15bba761cd995677a5/FLAG1d42078b7 [2024-11-24 00:10:36,002 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/data/1f4aac468/772dba3feb574c15bba761cd995677a5 [2024-11-24 00:10:36,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:10:36,010 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:10:36,012 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:10:36,012 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:10:36,019 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:10:36,019 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:10:36" (1/1) ... [2024-11-24 00:10:36,020 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75d892e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:10:36, skipping insertion in model container [2024-11-24 00:10:36,020 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:10:36" (1/1) ... [2024-11-24 00:10:36,043 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:10:36,218 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_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-23.i[915,928] [2024-11-24 00:10:36,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:10:36,324 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:10:36,336 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_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-23.i[915,928] [2024-11-24 00:10:36,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:10:36,414 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:10:36,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:10:36 WrapperNode [2024-11-24 00:10:36,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:10:36,418 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:10:36,418 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:10:36,421 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:10:36,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:10:36" (1/1) ... [2024-11-24 00:10:36,446 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:10:36" (1/1) ... [2024-11-24 00:10:36,491 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 144 [2024-11-24 00:10:36,491 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:10:36,495 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:10:36,496 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:10:36,496 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:10:36,511 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:10:36" (1/1) ... [2024-11-24 00:10:36,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:10:36" (1/1) ... [2024-11-24 00:10:36,521 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:10:36" (1/1) ... [2024-11-24 00:10:36,551 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 00:10:36,555 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:10:36" (1/1) ... [2024-11-24 00:10:36,555 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:10:36" (1/1) ... [2024-11-24 00:10:36,574 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:10:36" (1/1) ... [2024-11-24 00:10:36,579 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:10:36" (1/1) ... [2024-11-24 00:10:36,587 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:10:36" (1/1) ... [2024-11-24 00:10:36,593 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:10:36" (1/1) ... [2024-11-24 00:10:36,595 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:10:36" (1/1) ... [2024-11-24 00:10:36,602 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:10:36,608 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:10:36,608 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:10:36,608 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:10:36,610 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:10:36" (1/1) ... [2024-11-24 00:10:36,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:10:36,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:10:36,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:10:36,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:10:36,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:10:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 00:10:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:10:36,715 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:10:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:10:36,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:10:36,830 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:10:36,835 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:10:39,185 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-24 00:10:39,185 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:10:39,204 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:10:39,204 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:10:39,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:10:39 BoogieIcfgContainer [2024-11-24 00:10:39,206 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:10:39,209 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:10:39,209 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:10:39,220 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:10:39,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:10:36" (1/3) ... [2024-11-24 00:10:39,222 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e0bc04f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:10:39, skipping insertion in model container [2024-11-24 00:10:39,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:10:36" (2/3) ... [2024-11-24 00:10:39,222 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e0bc04f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:10:39, skipping insertion in model container [2024-11-24 00:10:39,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:10:39" (3/3) ... [2024-11-24 00:10:39,224 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-23.i [2024-11-24 00:10:39,242 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:10:39,244 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-23.i that has 2 procedures, 65 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:10:39,323 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:10:39,337 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;@7f724953, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:10:39,338 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:10:39,343 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-24 00:10:39,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-24 00:10:39,363 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:10:39,365 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:10:39,365 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:10:39,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:10:39,374 INFO L85 PathProgramCache]: Analyzing trace with hash 622962357, now seen corresponding path program 1 times [2024-11-24 00:10:39,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:10:39,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1605035757] [2024-11-24 00:10:39,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:39,396 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 [2024-11-24 00:10:39,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:10:39,400 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/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) [2024-11-24 00:10:39,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/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 [2024-11-24 00:10:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:40,082 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:10:40,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:10:40,169 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2024-11-24 00:10:40,170 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:10:40,170 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:10:40,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1605035757] [2024-11-24 00:10:40,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1605035757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:10:40,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:10:40,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:10:40,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10511928] [2024-11-24 00:10:40,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:10:40,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:10:40,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:10:40,212 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:10:40,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:10:40,215 INFO L87 Difference]: Start difference. First operand has 65 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-24 00:10:40,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:10:40,269 INFO L93 Difference]: Finished difference Result 123 states and 211 transitions. [2024-11-24 00:10:40,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:10:40,272 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 135 [2024-11-24 00:10:40,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:10:40,282 INFO L225 Difference]: With dead ends: 123 [2024-11-24 00:10:40,283 INFO L226 Difference]: Without dead ends: 61 [2024-11-24 00:10:40,304 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:10:40,311 INFO L435 NwaCegarLoop]: 91 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, 91 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 [2024-11-24 00:10:40,316 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:10:40,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-24 00:10:40,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-24 00:10:40,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-24 00:10:40,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 91 transitions. [2024-11-24 00:10:40,391 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 91 transitions. Word has length 135 [2024-11-24 00:10:40,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:10:40,393 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 91 transitions. [2024-11-24 00:10:40,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-24 00:10:40,395 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 91 transitions. [2024-11-24 00:10:40,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-24 00:10:40,402 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:10:40,402 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:10:40,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/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)] Forceful destruction successful, exit code 0 [2024-11-24 00:10:40,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/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 [2024-11-24 00:10:40,608 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:10:40,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:10:40,609 INFO L85 PathProgramCache]: Analyzing trace with hash -232026073, now seen corresponding path program 1 times [2024-11-24 00:10:40,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:10:40,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [324034023] [2024-11-24 00:10:40,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:40,611 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 [2024-11-24 00:10:40,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:10:40,615 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/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) [2024-11-24 00:10:40,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e3ce32d-d1ef-408d-9d23-a6955d848bcf/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 [2024-11-24 00:10:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:41,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-24 00:10:41,173 INFO L279 TraceCheckSpWp]: Computing forward predicates...