./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-65.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-65.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1 --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 71010720d09d65e378a437a817ab51557623c8dbafc4299d595c813ce7128029 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:20:46,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:20:46,714 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 11:20:46,719 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:20:46,719 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:20:46,743 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:20:46,744 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:20:46,744 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:20:46,744 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:20:46,744 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:20:46,745 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:20:46,745 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:20:46,745 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:20:46,745 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:20:46,745 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:20:46,745 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:20:46,746 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:20:46,746 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 11:20:46,746 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:20:46,746 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 11:20:46,746 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:20:46,746 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:20:46,746 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:20:46,746 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:20:46,746 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 11:20:46,746 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:20:46,746 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:20:46,747 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:20:46,747 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:20:46,747 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:20:46,747 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:20:46,747 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:20:46,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:20:46,747 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:20:46,747 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:20:46,747 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:20:46,747 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:20:46,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:20:46,748 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:20:46,748 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:20:46,748 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:20:46,748 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:20:46,748 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 11:20:46,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 11:20:46,748 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:20:46,748 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:20:46,748 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:20:46,749 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:20:46,749 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_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1 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 -> 71010720d09d65e378a437a817ab51557623c8dbafc4299d595c813ce7128029 [2024-12-02 11:20:47,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:20:47,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:20:47,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:20:47,017 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:20:47,018 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:20:47,019 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-65.i [2024-12-02 11:20:49,811 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/data/51e43bc38/e1f955c115aa485eabc6a9808bfdd172/FLAG2bbfa262f [2024-12-02 11:20:50,024 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:20:50,025 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-65.i [2024-12-02 11:20:50,036 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/data/51e43bc38/e1f955c115aa485eabc6a9808bfdd172/FLAG2bbfa262f [2024-12-02 11:20:50,052 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/data/51e43bc38/e1f955c115aa485eabc6a9808bfdd172 [2024-12-02 11:20:50,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:20:50,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:20:50,058 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:20:50,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:20:50,062 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:20:50,063 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:20:50" (1/1) ... [2024-12-02 11:20:50,063 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75b9aa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:50, skipping insertion in model container [2024-12-02 11:20:50,064 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:20:50" (1/1) ... [2024-12-02 11:20:50,083 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:20:50,238 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_22ca3fd0-404d-410e-a97f-6c3d376f6b43/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-65.i[915,928] [2024-12-02 11:20:50,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:20:50,304 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:20:50,316 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_22ca3fd0-404d-410e-a97f-6c3d376f6b43/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-65.i[915,928] [2024-12-02 11:20:50,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:20:50,362 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:20:50,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:50 WrapperNode [2024-12-02 11:20:50,363 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:20:50,364 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:20:50,364 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:20:50,365 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:20:50,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:50" (1/1) ... [2024-12-02 11:20:50,383 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:50" (1/1) ... [2024-12-02 11:20:50,415 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 189 [2024-12-02 11:20:50,415 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:20:50,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:20:50,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:20:50,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:20:50,428 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:50" (1/1) ... [2024-12-02 11:20:50,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:50" (1/1) ... [2024-12-02 11:20:50,431 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:50" (1/1) ... [2024-12-02 11:20:50,448 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]. [2024-12-02 11:20:50,448 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:50" (1/1) ... [2024-12-02 11:20:50,449 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:50" (1/1) ... [2024-12-02 11:20:50,456 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:50" (1/1) ... [2024-12-02 11:20:50,458 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:50" (1/1) ... [2024-12-02 11:20:50,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:50" (1/1) ... [2024-12-02 11:20:50,464 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:50" (1/1) ... [2024-12-02 11:20:50,465 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:50" (1/1) ... [2024-12-02 11:20:50,468 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:20:50,469 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:20:50,469 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:20:50,469 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:20:50,470 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:50" (1/1) ... [2024-12-02 11:20:50,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:20:50,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:20:50,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:20:50,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:20:50,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:20:50,522 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 11:20:50,522 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 11:20:50,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 11:20:50,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:20:50,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:20:50,599 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:20:50,601 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:20:50,929 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-12-02 11:20:50,929 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:20:50,940 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:20:50,940 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 11:20:50,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:20:50 BoogieIcfgContainer [2024-12-02 11:20:50,941 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:20:50,944 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:20:50,944 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:20:50,950 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:20:50,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:20:50" (1/3) ... [2024-12-02 11:20:50,951 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65595071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:20:50, skipping insertion in model container [2024-12-02 11:20:50,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:50" (2/3) ... [2024-12-02 11:20:50,951 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65595071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:20:50, skipping insertion in model container [2024-12-02 11:20:50,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:20:50" (3/3) ... [2024-12-02 11:20:50,953 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-65.i [2024-12-02 11:20:50,973 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:20:50,975 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-65.i that has 2 procedures, 78 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 11:20:51,041 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:20:51,054 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;@6435fcb1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:20:51,054 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 11:20:51,060 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 57 states have (on average 1.4385964912280702) internal successors, (82), 58 states have internal predecessors, (82), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 11:20:51,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-02 11:20:51,073 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:20:51,074 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:20:51,075 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:20:51,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:20:51,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1834939108, now seen corresponding path program 1 times [2024-12-02 11:20:51,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:20:51,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302423474] [2024-12-02 11:20:51,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:20:51,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:20:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:20:51,367 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-12-02 11:20:51,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:20:51,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302423474] [2024-12-02 11:20:51,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302423474] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:20:51,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1857646061] [2024-12-02 11:20:51,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:20:51,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:20:51,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:20:51,372 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:20:51,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 11:20:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:20:51,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 11:20:51,535 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:20:51,559 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-12-02 11:20:51,559 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:20:51,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1857646061] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:20:51,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:20:51,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 11:20:51,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466973600] [2024-12-02 11:20:51,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:20:51,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 11:20:51,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:20:51,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 11:20:51,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 11:20:51,584 INFO L87 Difference]: Start difference. First operand has 78 states, 57 states have (on average 1.4385964912280702) internal successors, (82), 58 states have internal predecessors, (82), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 11:20:51,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:20:51,611 INFO L93 Difference]: Finished difference Result 147 states and 246 transitions. [2024-12-02 11:20:51,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 11:20:51,613 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 123 [2024-12-02 11:20:51,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:20:51,619 INFO L225 Difference]: With dead ends: 147 [2024-12-02 11:20:51,619 INFO L226 Difference]: Without dead ends: 72 [2024-12-02 11:20:51,623 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 11:20:51,626 INFO L435 NwaCegarLoop]: 106 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, 106 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 [2024-12-02 11:20:51,627 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:20:51,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-12-02 11:20:51,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-12-02 11:20:51,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 52 states have internal predecessors, (70), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 11:20:51,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 106 transitions. [2024-12-02 11:20:51,668 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 106 transitions. Word has length 123 [2024-12-02 11:20:51,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:20:51,669 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 106 transitions. [2024-12-02 11:20:51,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 11:20:51,669 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 106 transitions. [2024-12-02 11:20:51,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-02 11:20:51,672 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:20:51,673 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:20:51,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 11:20:51,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 11:20:51,874 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:20:51,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:20:51,875 INFO L85 PathProgramCache]: Analyzing trace with hash -840288096, now seen corresponding path program 1 times [2024-12-02 11:20:51,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:20:51,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885729313] [2024-12-02 11:20:51,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:20:51,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:20:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:20:52,100 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 11:20:52,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:20:52,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885729313] [2024-12-02 11:20:52,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885729313] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:20:52,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:20:52,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:20:52,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395210707] [2024-12-02 11:20:52,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:20:52,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:20:52,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:20:52,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:20:52,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:20:52,103 INFO L87 Difference]: Start difference. First operand 72 states and 106 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 11:20:52,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:20:52,206 INFO L93 Difference]: Finished difference Result 210 states and 312 transitions. [2024-12-02 11:20:52,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:20:52,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 123 [2024-12-02 11:20:52,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:20:52,209 INFO L225 Difference]: With dead ends: 210 [2024-12-02 11:20:52,209 INFO L226 Difference]: Without dead ends: 141 [2024-12-02 11:20:52,210 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:20:52,211 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 92 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:20:52,211 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 276 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:20:52,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-12-02 11:20:52,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 85. [2024-12-02 11:20:52,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 65 states have (on average 1.3384615384615384) internal successors, (87), 65 states have internal predecessors, (87), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 11:20:52,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 123 transitions. [2024-12-02 11:20:52,243 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 123 transitions. Word has length 123 [2024-12-02 11:20:52,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:20:52,245 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 123 transitions. [2024-12-02 11:20:52,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 11:20:52,245 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 123 transitions. [2024-12-02 11:20:52,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-02 11:20:52,247 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:20:52,247 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:20:52,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 11:20:52,248 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:20:52,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:20:52,249 INFO L85 PathProgramCache]: Analyzing trace with hash 465991197, now seen corresponding path program 1 times [2024-12-02 11:20:52,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:20:52,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599234628] [2024-12-02 11:20:52,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:20:52,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:20:52,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:20:52,387 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 11:20:52,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:20:52,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599234628] [2024-12-02 11:20:52,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599234628] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:20:52,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:20:52,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:20:52,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072759062] [2024-12-02 11:20:52,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:20:52,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:20:52,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:20:52,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:20:52,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:20:52,391 INFO L87 Difference]: Start difference. First operand 85 states and 123 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 11:20:52,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:20:52,425 INFO L93 Difference]: Finished difference Result 152 states and 218 transitions. [2024-12-02 11:20:52,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:20:52,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 124 [2024-12-02 11:20:52,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:20:52,428 INFO L225 Difference]: With dead ends: 152 [2024-12-02 11:20:52,428 INFO L226 Difference]: Without dead ends: 70 [2024-12-02 11:20:52,428 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:20:52,429 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 0 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:20:52,430 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 184 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:20:52,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-12-02 11:20:52,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-12-02 11:20:52,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 50 states have (on average 1.22) internal successors, (61), 50 states have internal predecessors, (61), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 11:20:52,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 97 transitions. [2024-12-02 11:20:52,440 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 97 transitions. Word has length 124 [2024-12-02 11:20:52,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:20:52,441 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 97 transitions. [2024-12-02 11:20:52,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 11:20:52,441 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2024-12-02 11:20:52,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 11:20:52,443 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:20:52,443 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:20:52,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 11:20:52,444 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:20:52,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:20:52,444 INFO L85 PathProgramCache]: Analyzing trace with hash 754320645, now seen corresponding path program 1 times [2024-12-02 11:20:52,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:20:52,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028516085] [2024-12-02 11:20:52,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:20:52,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:20:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:20:53,508 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 11:20:53,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:20:53,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028516085] [2024-12-02 11:20:53,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028516085] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:20:53,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:20:53,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 11:20:53,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538853341] [2024-12-02 11:20:53,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:20:53,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:20:53,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:20:53,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:20:53,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:20:53,510 INFO L87 Difference]: Start difference. First operand 70 states and 97 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 11:20:53,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:20:53,958 INFO L93 Difference]: Finished difference Result 177 states and 251 transitions. [2024-12-02 11:20:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 11:20:53,959 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 125 [2024-12-02 11:20:53,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:20:53,961 INFO L225 Difference]: With dead ends: 177 [2024-12-02 11:20:53,961 INFO L226 Difference]: Without dead ends: 110 [2024-12-02 11:20:53,962 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:20:53,963 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 109 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 11:20:53,963 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 410 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 11:20:53,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-12-02 11:20:53,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 70. [2024-12-02 11:20:53,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 50 states have (on average 1.2) internal successors, (60), 50 states have internal predecessors, (60), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 11:20:53,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 96 transitions. [2024-12-02 11:20:53,977 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 96 transitions. Word has length 125 [2024-12-02 11:20:53,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:20:53,978 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 96 transitions. [2024-12-02 11:20:53,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 11:20:53,978 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2024-12-02 11:20:53,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 11:20:53,981 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:20:53,982 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:20:53,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 11:20:53,982 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:20:53,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:20:53,983 INFO L85 PathProgramCache]: Analyzing trace with hash 2134002683, now seen corresponding path program 1 times [2024-12-02 11:20:53,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:20:53,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912288931] [2024-12-02 11:20:53,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:20:53,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:20:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:20:54,377 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 18 proven. 33 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-12-02 11:20:54,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:20:54,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912288931] [2024-12-02 11:20:54,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912288931] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:20:54,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114176998] [2024-12-02 11:20:54,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:20:54,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:20:54,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:20:54,380 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:20:54,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 11:20:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:20:54,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 11:20:54,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:20:54,742 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 293 proven. 33 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2024-12-02 11:20:54,743 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:20:55,021 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 18 proven. 33 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-12-02 11:20:55,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114176998] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 11:20:55,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 11:20:55,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-12-02 11:20:55,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882058212] [2024-12-02 11:20:55,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 11:20:55,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 11:20:55,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:20:55,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 11:20:55,024 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-12-02 11:20:55,024 INFO L87 Difference]: Start difference. First operand 70 states and 96 transitions. Second operand has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 11:20:55,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:20:55,371 INFO L93 Difference]: Finished difference Result 160 states and 216 transitions. [2024-12-02 11:20:55,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 11:20:55,372 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 129 [2024-12-02 11:20:55,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:20:55,374 INFO L225 Difference]: With dead ends: 160 [2024-12-02 11:20:55,374 INFO L226 Difference]: Without dead ends: 93 [2024-12-02 11:20:55,375 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 255 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2024-12-02 11:20:55,376 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 141 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:20:55,376 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 191 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 11:20:55,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-12-02 11:20:55,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 88. [2024-12-02 11:20:55,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 60 states have (on average 1.15) internal successors, (69), 61 states have internal predecessors, (69), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 11:20:55,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 117 transitions. [2024-12-02 11:20:55,393 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 117 transitions. Word has length 129 [2024-12-02 11:20:55,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:20:55,394 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 117 transitions. [2024-12-02 11:20:55,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 11:20:55,394 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 117 transitions. [2024-12-02 11:20:55,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 11:20:55,397 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:20:55,397 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:20:55,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 11:20:55,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:20:55,598 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:20:55,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:20:55,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1459068233, now seen corresponding path program 1 times [2024-12-02 11:20:55,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:20:55,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723971887] [2024-12-02 11:20:55,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:20:55,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:20:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:20:56,778 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 11:20:56,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:20:56,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723971887] [2024-12-02 11:20:56,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723971887] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:20:56,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:20:56,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 11:20:56,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071450365] [2024-12-02 11:20:56,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:20:56,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 11:20:56,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:20:56,780 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 11:20:56,780 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:20:56,781 INFO L87 Difference]: Start difference. First operand 88 states and 117 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 11:20:57,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:20:57,222 INFO L93 Difference]: Finished difference Result 182 states and 238 transitions. [2024-12-02 11:20:57,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:20:57,223 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 130 [2024-12-02 11:20:57,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:20:57,224 INFO L225 Difference]: With dead ends: 182 [2024-12-02 11:20:57,225 INFO L226 Difference]: Without dead ends: 111 [2024-12-02 11:20:57,225 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-12-02 11:20:57,226 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 224 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 11:20:57,226 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 183 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 11:20:57,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-12-02 11:20:57,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 110. [2024-12-02 11:20:57,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 73 states have (on average 1.1095890410958904) internal successors, (81), 74 states have internal predecessors, (81), 30 states have call successors, (30), 6 states have call predecessors, (30), 6 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-12-02 11:20:57,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 141 transitions. [2024-12-02 11:20:57,247 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 141 transitions. Word has length 130 [2024-12-02 11:20:57,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:20:57,247 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 141 transitions. [2024-12-02 11:20:57,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 11:20:57,248 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 141 transitions. [2024-12-02 11:20:57,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 11:20:57,250 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:20:57,250 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:20:57,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 11:20:57,250 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:20:57,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:20:57,251 INFO L85 PathProgramCache]: Analyzing trace with hash 872262219, now seen corresponding path program 1 times [2024-12-02 11:20:57,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:20:57,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144674655] [2024-12-02 11:20:57,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:20:57,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:20:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:20:57,299 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 11:20:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:20:57,396 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 11:20:57,396 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 11:20:57,397 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 11:20:57,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 11:20:57,401 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:20:57,481 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 11:20:57,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:20:57 BoogieIcfgContainer [2024-12-02 11:20:57,485 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 11:20:57,485 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 11:20:57,486 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 11:20:57,486 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 11:20:57,486 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:20:50" (3/4) ... [2024-12-02 11:20:57,488 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 11:20:57,489 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 11:20:57,490 INFO L158 Benchmark]: Toolchain (without parser) took 7433.47ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 92.4MB in the beginning and 46.2MB in the end (delta: 46.2MB). Peak memory consumption was 74.4MB. Max. memory is 16.1GB. [2024-12-02 11:20:57,490 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:20:57,491 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.95ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 78.5MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 11:20:57,491 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.23ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 75.7MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:20:57,491 INFO L158 Benchmark]: Boogie Preprocessor took 52.29ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 72.0MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:20:57,492 INFO L158 Benchmark]: RCFGBuilder took 471.86ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 50.8MB in the end (delta: 21.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 11:20:57,492 INFO L158 Benchmark]: TraceAbstraction took 6541.19ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 50.3MB in the beginning and 46.2MB in the end (delta: 4.1MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2024-12-02 11:20:57,492 INFO L158 Benchmark]: Witness Printer took 3.72ms. Allocated memory is still 142.6MB. Free memory was 46.2MB in the beginning and 46.2MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:20:57,494 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.95ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 78.5MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.23ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 75.7MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.29ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 72.0MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 471.86ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 50.8MB in the end (delta: 21.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6541.19ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 50.3MB in the beginning and 46.2MB in the end (delta: 4.1MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. * Witness Printer took 3.72ms. Allocated memory is still 142.6MB. Free memory was 46.2MB in the beginning and 46.2MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 127, overapproximation of someBinaryDOUBLEComparisonOperation at line 105, overapproximation of someBinaryDOUBLEComparisonOperation at line 107, overapproximation of someBinaryDOUBLEComparisonOperation at line 127. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 4; [L23] unsigned short int var_1_8 = 64; [L24] unsigned short int var_1_11 = 256; [L25] unsigned short int var_1_12 = 0; [L26] unsigned short int var_1_13 = 64; [L27] unsigned char var_1_14 = 1; [L28] unsigned char var_1_15 = 0; [L29] signed char var_1_16 = 50; [L30] signed char var_1_19 = -100; [L31] double var_1_20 = 100000000.8; [L32] double var_1_21 = 15.125; [L33] double var_1_22 = 99.22; [L34] signed long int var_1_23 = -16; [L35] unsigned char var_1_24 = 1; [L36] signed char var_1_25 = 10; [L37] signed char var_1_26 = 16; [L38] unsigned char var_1_27 = 0; [L39] double var_1_28 = 5.5; [L40] signed short int last_1_var_1_1 = 4; [L41] unsigned char last_1_var_1_14 = 1; [L42] signed char last_1_var_1_16 = 50; [L43] signed long int last_1_var_1_23 = -16; [L44] unsigned char last_1_var_1_24 = 1; [L45] double last_1_var_1_28 = 5.5; VAL [isInitial=0, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=256, var_1_12=0, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L131] isInitial = 1 [L132] FCALL initially() [L134] CALL updateLastVariables() [L119] last_1_var_1_1 = var_1_1 [L120] last_1_var_1_14 = var_1_14 [L121] last_1_var_1_16 = var_1_16 [L122] last_1_var_1_23 = var_1_23 [L123] last_1_var_1_24 = var_1_24 [L124] last_1_var_1_28 = var_1_28 VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=256, var_1_12=0, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L134] RET updateLastVariables() [L135] CALL updateVariables() [L89] var_1_11 = __VERIFIER_nondet_ushort() [L90] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_12=0, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_12=0, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L90] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_12=0, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L91] CALL assume_abort_if_not(var_1_11 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L91] RET assume_abort_if_not(var_1_11 <= 32767) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=0, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L92] var_1_12 = __VERIFIER_nondet_ushort() [L93] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L93] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L94] CALL assume_abort_if_not(var_1_12 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L94] RET assume_abort_if_not(var_1_12 <= 32767) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L95] var_1_13 = __VERIFIER_nondet_ushort() [L96] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L96] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L97] CALL assume_abort_if_not(var_1_13 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L97] RET assume_abort_if_not(var_1_13 <= 65534) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L98] var_1_15 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L99] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L100] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L100] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L101] var_1_19 = __VERIFIER_nondet_char() [L102] CALL assume_abort_if_not(var_1_19 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L102] RET assume_abort_if_not(var_1_19 >= -127) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L103] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L103] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L104] var_1_21 = __VERIFIER_nondet_double() [L105] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L105] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L106] var_1_22 = __VERIFIER_nondet_double() [L107] CALL assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L107] RET assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L108] var_1_25 = __VERIFIER_nondet_char() [L109] CALL assume_abort_if_not(var_1_25 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L109] RET assume_abort_if_not(var_1_25 >= -1) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L110] CALL assume_abort_if_not(var_1_25 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L110] RET assume_abort_if_not(var_1_25 <= 127) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_8=64] [L111] var_1_26 = __VERIFIER_nondet_char() [L112] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_8=64] [L112] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_8=64] [L113] CALL assume_abort_if_not(var_1_26 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_8=64] [L113] RET assume_abort_if_not(var_1_26 <= 127) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_8=64] [L114] var_1_27 = __VERIFIER_nondet_uchar() [L115] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_28=11/2, var_1_8=64] [L115] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_28=11/2, var_1_8=64] [L116] CALL assume_abort_if_not(var_1_27 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_8=64] [L116] RET assume_abort_if_not(var_1_27 <= 0) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_8=64] [L135] RET updateVariables() [L136] CALL step() [L49] EXPR ((((last_1_var_1_1) > (last_1_var_1_16)) ? (last_1_var_1_1) : (last_1_var_1_16))) | last_1_var_1_16 VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-16, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_8=64] [L49] COND TRUE (((((last_1_var_1_1) > (last_1_var_1_16)) ? (last_1_var_1_1) : (last_1_var_1_16))) | last_1_var_1_16) >= last_1_var_1_23 [L50] var_1_23 = (5 - var_1_12) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-32762, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_8=64] [L54] signed long int stepLocal_3 = last_1_var_1_23; [L55] unsigned char stepLocal_2 = ! (last_1_var_1_14 || last_1_var_1_14); VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, stepLocal_2=0, stepLocal_3=-16, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-32762, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_8=64] [L56] COND FALSE !(last_1_var_1_23 < stepLocal_3) [L67] var_1_16 = 100 VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, stepLocal_2=0, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=126, var_1_1=4, var_1_20=500000004/5, var_1_23=-32762, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=11/2, var_1_8=64] [L69] var_1_20 = (var_1_21 - (var_1_22 + 1.5)) [L70] var_1_28 = var_1_21 [L71] unsigned char stepLocal_0 = var_1_23 > 4; VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, stepLocal_2=0, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=126, var_1_1=4, var_1_21=100000005, var_1_23=-32762, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=100000005, var_1_8=64] [L72] COND TRUE (var_1_23 <= var_1_23) || stepLocal_0 [L73] var_1_1 = (((((var_1_16 + (var_1_16 + var_1_16))) > (-100)) ? ((var_1_16 + (var_1_16 + var_1_16))) : (-100))) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, stepLocal_2=0, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=126, var_1_1=300, var_1_21=100000005, var_1_23=-32762, var_1_24=1, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=100000005, var_1_8=64] [L77] var_1_24 = ((var_1_1 <= (var_1_25 - var_1_26)) && var_1_27) [L78] signed char stepLocal_1 = var_1_16; VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, stepLocal_1=100, stepLocal_2=0, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=126, var_1_1=300, var_1_21=100000005, var_1_23=-32762, var_1_24=0, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=100000005, var_1_8=64] [L79] EXPR var_1_16 ^ var_1_16 VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, stepLocal_1=100, stepLocal_2=0, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=126, var_1_1=300, var_1_21=100000005, var_1_23=-32762, var_1_24=0, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=100000005, var_1_8=64] [L79] COND TRUE stepLocal_1 > (var_1_23 + (var_1_16 ^ var_1_16)) [L80] var_1_14 = (var_1_24 || var_1_15) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, stepLocal_2=0, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=126, var_1_1=300, var_1_21=100000005, var_1_23=-32762, var_1_24=0, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=100000005, var_1_8=64] [L82] COND TRUE \read(var_1_14) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, stepLocal_2=0, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=126, var_1_1=300, var_1_21=100000005, var_1_23=-32762, var_1_24=0, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=100000005, var_1_8=64] [L83] COND FALSE !(\read(var_1_24)) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, stepLocal_2=0, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=126, var_1_1=300, var_1_21=100000005, var_1_23=-32762, var_1_24=0, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=100000005, var_1_8=64] [L136] RET step() [L137] CALL, EXPR property() [L127] EXPR ((((var_1_23 <= var_1_23) || (var_1_23 > 4)) ? (var_1_1 == ((signed short int) (((((var_1_16 + (var_1_16 + var_1_16))) > (-100)) ? ((var_1_16 + (var_1_16 + var_1_16))) : (-100))))) : (var_1_1 == ((signed short int) var_1_16))) && (var_1_14 ? (var_1_24 ? (var_1_8 == ((unsigned short int) (((((var_1_11 + var_1_12)) > (var_1_13)) ? ((var_1_11 + var_1_12)) : (var_1_13))))) : 1) : 1)) && ((var_1_16 > (var_1_23 + (var_1_16 ^ var_1_16))) ? (var_1_14 == ((unsigned char) (var_1_24 || var_1_15))) : 1) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=126, var_1_1=300, var_1_21=100000005, var_1_23=-32762, var_1_24=0, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=100000005, var_1_8=64] [L127] EXPR var_1_16 ^ var_1_16 VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=126, var_1_1=300, var_1_21=100000005, var_1_23=-32762, var_1_24=0, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=100000005, var_1_8=64] [L127] EXPR ((((var_1_23 <= var_1_23) || (var_1_23 > 4)) ? (var_1_1 == ((signed short int) (((((var_1_16 + (var_1_16 + var_1_16))) > (-100)) ? ((var_1_16 + (var_1_16 + var_1_16))) : (-100))))) : (var_1_1 == ((signed short int) var_1_16))) && (var_1_14 ? (var_1_24 ? (var_1_8 == ((unsigned short int) (((((var_1_11 + var_1_12)) > (var_1_13)) ? ((var_1_11 + var_1_12)) : (var_1_13))))) : 1) : 1)) && ((var_1_16 > (var_1_23 + (var_1_16 ^ var_1_16))) ? (var_1_14 == ((unsigned char) (var_1_24 || var_1_15))) : 1) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=126, var_1_1=300, var_1_21=100000005, var_1_23=-32762, var_1_24=0, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=100000005, var_1_8=64] [L127] EXPR (((((((var_1_23 <= var_1_23) || (var_1_23 > 4)) ? (var_1_1 == ((signed short int) (((((var_1_16 + (var_1_16 + var_1_16))) > (-100)) ? ((var_1_16 + (var_1_16 + var_1_16))) : (-100))))) : (var_1_1 == ((signed short int) var_1_16))) && (var_1_14 ? (var_1_24 ? (var_1_8 == ((unsigned short int) (((((var_1_11 + var_1_12)) > (var_1_13)) ? ((var_1_11 + var_1_12)) : (var_1_13))))) : 1) : 1)) && ((var_1_16 > (var_1_23 + (var_1_16 ^ var_1_16))) ? (var_1_14 == ((unsigned char) (var_1_24 || var_1_15))) : 1)) && ((last_1_var_1_23 < last_1_var_1_23) ? (((! (last_1_var_1_14 || last_1_var_1_14)) && last_1_var_1_24) ? ((((((2.75f) > (((((last_1_var_1_28) < (999999.95f)) ? (last_1_var_1_28) : (999999.95f))))) ? (2.75f) : (((((last_1_var_1_28) < (999999.95f)) ? (last_1_var_1_28) : (999999.95f)))))) != last_1_var_1_28) ? (var_1_16 == ((signed char) 10)) : (var_1_16 == ((signed char) var_1_19))) : (var_1_16 == ((signed char) var_1_19))) : (var_1_16 == ((signed char) 100)))) && (var_1_20 == ((double) (var_1_21 - (var_1_22 + 1.5))))) && (((((((last_1_var_1_1) > (last_1_var_1_16)) ? (last_1_var_1_1) : (last_1_var_1_16))) | last_1_var_1_16) >= last_1_var_1_23) ? (var_1_23 == ((signed long int) (5 - var_1_12))) : (var_1_23 == ((signed long int) ((((var_1_11) > (last_1_var_1_1)) ? (var_1_11) : (last_1_var_1_1)))))) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=126, var_1_1=300, var_1_21=100000005, var_1_23=-32762, var_1_24=0, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=100000005, var_1_8=64] [L127-L128] return (((((((((var_1_23 <= var_1_23) || (var_1_23 > 4)) ? (var_1_1 == ((signed short int) (((((var_1_16 + (var_1_16 + var_1_16))) > (-100)) ? ((var_1_16 + (var_1_16 + var_1_16))) : (-100))))) : (var_1_1 == ((signed short int) var_1_16))) && (var_1_14 ? (var_1_24 ? (var_1_8 == ((unsigned short int) (((((var_1_11 + var_1_12)) > (var_1_13)) ? ((var_1_11 + var_1_12)) : (var_1_13))))) : 1) : 1)) && ((var_1_16 > (var_1_23 + (var_1_16 ^ var_1_16))) ? (var_1_14 == ((unsigned char) (var_1_24 || var_1_15))) : 1)) && ((last_1_var_1_23 < last_1_var_1_23) ? (((! (last_1_var_1_14 || last_1_var_1_14)) && last_1_var_1_24) ? ((((((2.75f) > (((((last_1_var_1_28) < (999999.95f)) ? (last_1_var_1_28) : (999999.95f))))) ? (2.75f) : (((((last_1_var_1_28) < (999999.95f)) ? (last_1_var_1_28) : (999999.95f)))))) != last_1_var_1_28) ? (var_1_16 == ((signed char) 10)) : (var_1_16 == ((signed char) var_1_19))) : (var_1_16 == ((signed char) var_1_19))) : (var_1_16 == ((signed char) 100)))) && (var_1_20 == ((double) (var_1_21 - (var_1_22 + 1.5))))) && (((((((last_1_var_1_1) > (last_1_var_1_16)) ? (last_1_var_1_1) : (last_1_var_1_16))) | last_1_var_1_16) >= last_1_var_1_23) ? (var_1_23 == ((signed long int) (5 - var_1_12))) : (var_1_23 == ((signed long int) ((((var_1_11) > (last_1_var_1_1)) ? (var_1_11) : (last_1_var_1_1))))))) && (var_1_24 == ((unsigned char) ((var_1_1 <= (var_1_25 - var_1_26)) && var_1_27)))) && (var_1_28 == ((double) var_1_21)) ; [L137] RET, EXPR property() [L137] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=126, var_1_1=300, var_1_21=100000005, var_1_23=-32762, var_1_24=0, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=100000005, var_1_8=64] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=32767, var_1_12=32767, var_1_13=65533, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=126, var_1_1=300, var_1_21=100000005, var_1_23=-32762, var_1_24=0, var_1_25=-1, var_1_26=0, var_1_27=0, var_1_28=100000005, var_1_8=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 7, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 572 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 566 mSDsluCounter, 1350 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 621 mSDsCounter, 229 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 437 IncrementalHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 229 mSolverCounterUnsat, 729 mSDtfsCounter, 437 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 427 GetRequests, 393 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred in iteration=6, InterpolantAutomatonStates: 34, 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, 6 MinimizatonAttempts, 102 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 1136 NumberOfCodeBlocks, 1136 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1126 ConstructedInterpolants, 0 QuantifiedInterpolants, 2781 SizeOfPredicates, 2 NumberOfNonLiveVariables, 627 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 5375/5508 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 [2024-12-02 11:20:57,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/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_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-65.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1 --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 71010720d09d65e378a437a817ab51557623c8dbafc4299d595c813ce7128029 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:20:59,761 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:20:59,852 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 11:20:59,859 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:20:59,859 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:20:59,883 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:20:59,884 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:20:59,885 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:20:59,885 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:20:59,885 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:20:59,886 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:20:59,886 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:20:59,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:20:59,886 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:20:59,887 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:20:59,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:20:59,887 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:20:59,887 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 11:20:59,888 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 11:20:59,888 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:20:59,888 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:20:59,888 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:20:59,888 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:20:59,888 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 11:20:59,888 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 11:20:59,888 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 11:20:59,889 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 11:20:59,889 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:20:59,889 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:20:59,889 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:20:59,889 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:20:59,889 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:20:59,889 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:20:59,889 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:20:59,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:20:59,890 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:20:59,890 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:20:59,890 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:20:59,890 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:20:59,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:20:59,890 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:20:59,890 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:20:59,890 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:20:59,890 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:20:59,891 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 11:20:59,891 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 11:20:59,891 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:20:59,891 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:20:59,891 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:20:59,892 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:20:59,892 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_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1 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 -> 71010720d09d65e378a437a817ab51557623c8dbafc4299d595c813ce7128029 [2024-12-02 11:21:00,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:21:00,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:21:00,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:21:00,174 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:21:00,175 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:21:00,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-65.i [2024-12-02 11:21:03,373 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/data/4ed2acca2/c475739e47a842418109ef182b09bcb4/FLAG4e46e9c75 [2024-12-02 11:21:03,596 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:21:03,597 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-65.i [2024-12-02 11:21:03,606 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/data/4ed2acca2/c475739e47a842418109ef182b09bcb4/FLAG4e46e9c75 [2024-12-02 11:21:03,934 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/data/4ed2acca2/c475739e47a842418109ef182b09bcb4 [2024-12-02 11:21:03,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:21:03,938 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:21:03,940 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:21:03,940 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:21:03,945 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:21:03,945 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:21:03" (1/1) ... [2024-12-02 11:21:03,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39c3335a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:03, skipping insertion in model container [2024-12-02 11:21:03,946 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:21:03" (1/1) ... [2024-12-02 11:21:03,970 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:21:04,110 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_22ca3fd0-404d-410e-a97f-6c3d376f6b43/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-65.i[915,928] [2024-12-02 11:21:04,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:21:04,178 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:21:04,189 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_22ca3fd0-404d-410e-a97f-6c3d376f6b43/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-65.i[915,928] [2024-12-02 11:21:04,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:21:04,241 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:21:04,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:04 WrapperNode [2024-12-02 11:21:04,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:21:04,242 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:21:04,242 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:21:04,243 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:21:04,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:04" (1/1) ... [2024-12-02 11:21:04,258 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:04" (1/1) ... [2024-12-02 11:21:04,283 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 136 [2024-12-02 11:21:04,283 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:21:04,284 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:21:04,284 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:21:04,284 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:21:04,295 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:04" (1/1) ... [2024-12-02 11:21:04,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:04" (1/1) ... [2024-12-02 11:21:04,300 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:04" (1/1) ... [2024-12-02 11:21:04,315 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]. [2024-12-02 11:21:04,315 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:04" (1/1) ... [2024-12-02 11:21:04,315 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:04" (1/1) ... [2024-12-02 11:21:04,325 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:04" (1/1) ... [2024-12-02 11:21:04,326 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:04" (1/1) ... [2024-12-02 11:21:04,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:04" (1/1) ... [2024-12-02 11:21:04,333 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:04" (1/1) ... [2024-12-02 11:21:04,335 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:04" (1/1) ... [2024-12-02 11:21:04,338 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:21:04,339 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:21:04,339 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:21:04,339 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:21:04,341 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:04" (1/1) ... [2024-12-02 11:21:04,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:21:04,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:21:04,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:21:04,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:21:04,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:21:04,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 11:21:04,413 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 11:21:04,413 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 11:21:04,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:21:04,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:21:04,510 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:21:04,512 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:21:06,789 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-12-02 11:21:06,789 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:21:06,800 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:21:06,801 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 11:21:06,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:21:06 BoogieIcfgContainer [2024-12-02 11:21:06,801 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:21:06,804 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:21:06,804 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:21:06,809 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:21:06,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:21:03" (1/3) ... [2024-12-02 11:21:06,809 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b8284fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:21:06, skipping insertion in model container [2024-12-02 11:21:06,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:04" (2/3) ... [2024-12-02 11:21:06,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b8284fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:21:06, skipping insertion in model container [2024-12-02 11:21:06,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:21:06" (3/3) ... [2024-12-02 11:21:06,812 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-65.i [2024-12-02 11:21:06,826 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:21:06,827 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-65.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 11:21:06,881 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:21:06,894 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;@16eca5b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:21:06,895 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 11:21:06,898 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 38 states have internal predecessors, (50), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 11:21:06,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 11:21:06,909 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:21:06,910 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:21:06,910 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:21:06,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:21:06,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1696586276, now seen corresponding path program 1 times [2024-12-02 11:21:06,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:21:06,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1605392527] [2024-12-02 11:21:06,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:21:06,931 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 [2024-12-02 11:21:06,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:21:06,936 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 11:21:06,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 11:21:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:21:07,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 11:21:07,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:21:07,355 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-12-02 11:21:07,355 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:21:07,356 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:21:07,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1605392527] [2024-12-02 11:21:07,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1605392527] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:21:07,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:21:07,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:21:07,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918492335] [2024-12-02 11:21:07,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:21:07,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 11:21:07,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:21:07,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 11:21:07,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 11:21:07,391 INFO L87 Difference]: Start difference. First operand has 58 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 38 states have internal predecessors, (50), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 11:21:07,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:21:07,418 INFO L93 Difference]: Finished difference Result 109 states and 184 transitions. [2024-12-02 11:21:07,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 11:21:07,421 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 117 [2024-12-02 11:21:07,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:21:07,427 INFO L225 Difference]: With dead ends: 109 [2024-12-02 11:21:07,427 INFO L226 Difference]: Without dead ends: 54 [2024-12-02 11:21:07,430 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 11:21:07,433 INFO L435 NwaCegarLoop]: 78 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, 78 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 [2024-12-02 11:21:07,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:21:07,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-12-02 11:21:07,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-12-02 11:21:07,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 11:21:07,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2024-12-02 11:21:07,476 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 117 [2024-12-02 11:21:07,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:21:07,476 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2024-12-02 11:21:07,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 11:21:07,476 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2024-12-02 11:21:07,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 11:21:07,479 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:21:07,479 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:21:07,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 11:21:07,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 11:21:07,680 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:21:07,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:21:07,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1803614376, now seen corresponding path program 1 times [2024-12-02 11:21:07,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:21:07,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1833276066] [2024-12-02 11:21:07,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:21:07,682 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 [2024-12-02 11:21:07,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:21:07,684 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 11:21:07,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 11:21:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:21:08,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 11:21:08,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:21:10,361 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 11:21:10,362 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:21:10,362 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:21:10,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1833276066] [2024-12-02 11:21:10,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1833276066] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:21:10,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:21:10,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:21:10,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618899061] [2024-12-02 11:21:10,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:21:10,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:21:10,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:21:10,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:21:10,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:21:10,366 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 11:21:11,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:21:13,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:21:13,867 INFO L93 Difference]: Finished difference Result 157 states and 229 transitions. [2024-12-02 11:21:13,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:21:13,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 117 [2024-12-02 11:21:13,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:21:13,883 INFO L225 Difference]: With dead ends: 157 [2024-12-02 11:21:13,883 INFO L226 Difference]: Without dead ends: 106 [2024-12-02 11:21:13,884 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:21:13,885 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 40 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-12-02 11:21:13,886 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 200 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-12-02 11:21:13,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-12-02 11:21:13,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 89. [2024-12-02 11:21:13,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 50 states have (on average 1.16) internal successors, (58), 50 states have internal predecessors, (58), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 11:21:13,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 130 transitions. [2024-12-02 11:21:13,924 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 130 transitions. Word has length 117 [2024-12-02 11:21:13,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:21:13,925 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 130 transitions. [2024-12-02 11:21:13,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 11:21:13,925 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 130 transitions. [2024-12-02 11:21:13,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 11:21:13,928 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:21:13,928 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:21:13,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-02 11:21:14,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 11:21:14,129 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:21:14,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:21:14,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1545448938, now seen corresponding path program 1 times [2024-12-02 11:21:14,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:21:14,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1914049702] [2024-12-02 11:21:14,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:21:14,131 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 [2024-12-02 11:21:14,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:21:14,133 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 11:21:14,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-02 11:21:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:21:14,422 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 11:21:14,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:21:14,868 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 293 proven. 33 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2024-12-02 11:21:14,868 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:21:15,341 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 18 proven. 33 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-12-02 11:21:15,341 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:21:15,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1914049702] [2024-12-02 11:21:15,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1914049702] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 11:21:15,341 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 11:21:15,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-12-02 11:21:15,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748637300] [2024-12-02 11:21:15,342 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 11:21:15,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 11:21:15,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:21:15,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 11:21:15,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:21:15,344 INFO L87 Difference]: Start difference. First operand 89 states and 130 transitions. Second operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 11:21:16,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:21:16,914 INFO L93 Difference]: Finished difference Result 154 states and 217 transitions. [2024-12-02 11:21:16,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 11:21:16,915 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 117 [2024-12-02 11:21:16,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:21:16,917 INFO L225 Difference]: With dead ends: 154 [2024-12-02 11:21:16,917 INFO L226 Difference]: Without dead ends: 103 [2024-12-02 11:21:16,917 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 225 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2024-12-02 11:21:16,918 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 112 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 11:21:16,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 157 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 11:21:16,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-12-02 11:21:16,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 97. [2024-12-02 11:21:16,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 56 states have (on average 1.125) internal successors, (63), 56 states have internal predecessors, (63), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 11:21:16,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 135 transitions. [2024-12-02 11:21:16,940 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 135 transitions. Word has length 117 [2024-12-02 11:21:16,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:21:16,941 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 135 transitions. [2024-12-02 11:21:16,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 11:21:16,941 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 135 transitions. [2024-12-02 11:21:16,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-02 11:21:16,943 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:21:16,943 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:21:16,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-02 11:21:17,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 11:21:17,144 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:21:17,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:21:17,144 INFO L85 PathProgramCache]: Analyzing trace with hash 428716543, now seen corresponding path program 1 times [2024-12-02 11:21:17,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:21:17,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1364645359] [2024-12-02 11:21:17,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:21:17,145 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 [2024-12-02 11:21:17,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:21:17,147 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 11:21:17,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-12-02 11:21:17,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:21:17,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 11:21:17,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:21:17,463 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-12-02 11:21:17,464 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:21:17,464 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:21:17,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1364645359] [2024-12-02 11:21:17,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1364645359] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:21:17,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:21:17,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 11:21:17,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590522946] [2024-12-02 11:21:17,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:21:17,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:21:17,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:21:17,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:21:17,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:21:17,466 INFO L87 Difference]: Start difference. First operand 97 states and 135 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 11:21:19,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:21:19,249 INFO L93 Difference]: Finished difference Result 177 states and 238 transitions. [2024-12-02 11:21:19,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 11:21:19,250 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) Word has length 118 [2024-12-02 11:21:19,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:21:19,252 INFO L225 Difference]: With dead ends: 177 [2024-12-02 11:21:19,252 INFO L226 Difference]: Without dead ends: 122 [2024-12-02 11:21:19,253 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-12-02 11:21:19,253 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 95 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-12-02 11:21:19,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 246 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-12-02 11:21:19,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-12-02 11:21:19,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 105. [2024-12-02 11:21:19,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 62 states have (on average 1.096774193548387) internal successors, (68), 62 states have internal predecessors, (68), 36 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 11:21:19,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 140 transitions. [2024-12-02 11:21:19,283 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 140 transitions. Word has length 118 [2024-12-02 11:21:19,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:21:19,283 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 140 transitions. [2024-12-02 11:21:19,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 11:21:19,284 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 140 transitions. [2024-12-02 11:21:19,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-02 11:21:19,285 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:21:19,286 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:21:19,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-12-02 11:21:19,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 11:21:19,486 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:21:19,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:21:19,487 INFO L85 PathProgramCache]: Analyzing trace with hash 430563585, now seen corresponding path program 1 times [2024-12-02 11:21:19,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:21:19,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [671209762] [2024-12-02 11:21:19,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:21:19,487 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 [2024-12-02 11:21:19,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:21:19,489 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 11:21:19,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ca3fd0-404d-410e-a97f-6c3d376f6b43/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-12-02 11:21:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:21:19,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-02 11:21:19,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:22:04,720 WARN L286 SmtUtils]: Spent 17.97s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 11:22:44,039 WARN L286 SmtUtils]: Spent 15.25s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 11:23:30,696 WARN L286 SmtUtils]: Spent 19.63s on a formula simplification that was a NOOP. DAG size: 60 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 11:24:18,460 WARN L286 SmtUtils]: Spent 17.42s on a formula simplification that was a NOOP. DAG size: 70 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)