./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_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_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-65.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b2a706fab54733b78e8edba721b68091444926b8cecca487ae9f3656a83e7950 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:24:49,801 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:24:49,900 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 20:24:49,907 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:24:49,910 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:24:49,939 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:24:49,940 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:24:49,940 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:24:49,941 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:24:49,941 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:24:49,942 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:24:49,943 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:24:49,943 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:24:49,943 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:24:49,943 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:24:49,943 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:24:49,943 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:24:49,944 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:24:49,944 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:24:49,944 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:24:49,944 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:24:49,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:24:49,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:24:49,944 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:24:49,944 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:24:49,945 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:24:49,945 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:24:49,945 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:24:49,945 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:24:49,946 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:24:49,946 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:24:49,946 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:24:49,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:24:49,946 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:24:49,947 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:24:49,947 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:24:49,947 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:24:49,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:24:49,947 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:24:49,947 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:24:49,947 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:24:49,947 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:24:49,947 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:24:49,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:24:49,948 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:24:49,948 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:24:49,948 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:24:49,948 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:24:49,948 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_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2a706fab54733b78e8edba721b68091444926b8cecca487ae9f3656a83e7950 [2024-11-27 20:24:50,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:24:50,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:24:50,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:24:50,295 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:24:50,295 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:24:50,296 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-65.i [2024-11-27 20:24:53,348 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/data/212b01589/0d580a5651964461a7890bd19dc3c109/FLAG36087fdd8 [2024-11-27 20:24:53,651 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:24:53,652 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-65.i [2024-11-27 20:24:53,669 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/data/212b01589/0d580a5651964461a7890bd19dc3c109/FLAG36087fdd8 [2024-11-27 20:24:53,685 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/data/212b01589/0d580a5651964461a7890bd19dc3c109 [2024-11-27 20:24:53,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:24:53,689 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:24:53,691 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:24:53,691 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:24:53,696 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:24:53,697 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:24:53" (1/1) ... [2024-11-27 20:24:53,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fff108c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:53, skipping insertion in model container [2024-11-27 20:24:53,699 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:24:53" (1/1) ... [2024-11-27 20:24:53,721 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:24:53,876 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_d53663f7-303a-460b-90e3-48b07da7461b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-65.i[915,928] [2024-11-27 20:24:53,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:24:53,958 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:24:53,971 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_d53663f7-303a-460b-90e3-48b07da7461b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-65.i[915,928] [2024-11-27 20:24:54,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:24:54,027 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:24:54,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:54 WrapperNode [2024-11-27 20:24:54,028 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:24:54,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:24:54,029 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:24:54,029 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:24:54,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:54" (1/1) ... [2024-11-27 20:24:54,048 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:54" (1/1) ... [2024-11-27 20:24:54,098 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 189 [2024-11-27 20:24:54,098 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:24:54,099 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:24:54,099 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:24:54,099 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:24:54,110 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:54" (1/1) ... [2024-11-27 20:24:54,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:54" (1/1) ... [2024-11-27 20:24:54,113 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:54" (1/1) ... [2024-11-27 20:24:54,130 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-27 20:24:54,131 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:54" (1/1) ... [2024-11-27 20:24:54,131 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:54" (1/1) ... [2024-11-27 20:24:54,144 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:54" (1/1) ... [2024-11-27 20:24:54,151 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:54" (1/1) ... [2024-11-27 20:24:54,158 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:54" (1/1) ... [2024-11-27 20:24:54,161 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:54" (1/1) ... [2024-11-27 20:24:54,162 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:54" (1/1) ... [2024-11-27 20:24:54,166 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:24:54,167 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:24:54,167 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:24:54,167 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:24:54,168 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:54" (1/1) ... [2024-11-27 20:24:54,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:24:54,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:24:54,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:24:54,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:24:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:24:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 20:24:54,244 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 20:24:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:24:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:24:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:24:54,352 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:24:54,355 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:24:54,919 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-27 20:24:54,919 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:24:54,931 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:24:54,931 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:24:54,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:24:54 BoogieIcfgContainer [2024-11-27 20:24:54,932 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:24:54,936 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:24:54,937 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:24:54,942 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:24:54,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:24:53" (1/3) ... [2024-11-27 20:24:54,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@506174d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:24:54, skipping insertion in model container [2024-11-27 20:24:54,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:54" (2/3) ... [2024-11-27 20:24:54,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@506174d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:24:54, skipping insertion in model container [2024-11-27 20:24:54,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:24:54" (3/3) ... [2024-11-27 20:24:54,946 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-65.i [2024-11-27 20:24:54,964 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:24:54,966 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-65.i that has 2 procedures, 77 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 20:24:55,032 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:24:55,047 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;@6e3a540a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:24:55,047 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:24:55,052 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 57 states have internal predecessors, (81), 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) [2024-11-27 20:24:55,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-27 20:24:55,065 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:24:55,066 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] [2024-11-27 20:24:55,066 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:24:55,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:24:55,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1847055694, now seen corresponding path program 1 times [2024-11-27 20:24:55,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:24:55,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272321054] [2024-11-27 20:24:55,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:24:55,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:24:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:24:55,495 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-27 20:24:55,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:24:55,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272321054] [2024-11-27 20:24:55,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272321054] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:24:55,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209805655] [2024-11-27 20:24:55,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:24:55,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:24:55,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:24:55,505 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:24:55,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:24:55,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:24:55,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 20:24:55,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:24:55,851 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-27 20:24:55,855 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:24:55,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209805655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:24:55,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:24:55,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 20:24:55,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554483179] [2024-11-27 20:24:55,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:24:55,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 20:24:55,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:24:55,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:24:55,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:24:55,894 INFO L87 Difference]: Start difference. First operand has 77 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 57 states have internal predecessors, (81), 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 18.5) internal successors, (37), 2 states have internal predecessors, (37), 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) [2024-11-27 20:24:55,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:24:55,940 INFO L93 Difference]: Finished difference Result 145 states and 244 transitions. [2024-11-27 20:24:55,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:24:55,942 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (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 122 [2024-11-27 20:24:55,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:24:55,952 INFO L225 Difference]: With dead ends: 145 [2024-11-27 20:24:55,952 INFO L226 Difference]: Without dead ends: 71 [2024-11-27 20:24:55,958 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:24:55,963 INFO L435 NwaCegarLoop]: 105 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, 105 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:24:55,964 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:24:55,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-27 20:24:56,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-11-27 20:24:56,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 51 states have (on average 1.3529411764705883) internal successors, (69), 51 states have internal predecessors, (69), 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) [2024-11-27 20:24:56,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2024-11-27 20:24:56,009 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 122 [2024-11-27 20:24:56,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:24:56,010 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2024-11-27 20:24:56,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (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) [2024-11-27 20:24:56,011 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2024-11-27 20:24:56,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-27 20:24:56,014 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:24:56,014 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] [2024-11-27 20:24:56,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 20:24:56,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-27 20:24:56,218 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:24:56,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:24:56,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1324951882, now seen corresponding path program 1 times [2024-11-27 20:24:56,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:24:56,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330214551] [2024-11-27 20:24:56,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:24:56,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:24:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:24:56,541 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 20:24:56,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:24:56,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330214551] [2024-11-27 20:24:56,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330214551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:24:56,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:24:56,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:24:56,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765949460] [2024-11-27 20:24:56,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:24:56,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:24:56,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:24:56,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:24:56,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:24:56,546 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-11-27 20:24:56,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:24:56,725 INFO L93 Difference]: Finished difference Result 207 states and 309 transitions. [2024-11-27 20:24:56,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:24:56,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 122 [2024-11-27 20:24:56,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:24:56,728 INFO L225 Difference]: With dead ends: 207 [2024-11-27 20:24:56,728 INFO L226 Difference]: Without dead ends: 139 [2024-11-27 20:24:56,729 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:24:56,730 INFO L435 NwaCegarLoop]: 180 mSDtfsCounter, 89 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 266 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 [2024-11-27 20:24:56,730 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 266 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:24:56,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-27 20:24:56,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 88. [2024-11-27 20:24:56,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 68 states have internal predecessors, (93), 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) [2024-11-27 20:24:56,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 129 transitions. [2024-11-27 20:24:56,746 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 129 transitions. Word has length 122 [2024-11-27 20:24:56,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:24:56,748 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 129 transitions. [2024-11-27 20:24:56,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-11-27 20:24:56,748 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 129 transitions. [2024-11-27 20:24:56,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-27 20:24:56,750 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:24:56,750 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] [2024-11-27 20:24:56,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:24:56,751 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:24:56,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:24:56,751 INFO L85 PathProgramCache]: Analyzing trace with hash -453685000, now seen corresponding path program 1 times [2024-11-27 20:24:56,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:24:56,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126435404] [2024-11-27 20:24:56,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:24:56,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:24:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:24:57,014 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 20:24:57,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:24:57,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126435404] [2024-11-27 20:24:57,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126435404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:24:57,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:24:57,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:24:57,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298373828] [2024-11-27 20:24:57,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:24:57,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:24:57,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:24:57,016 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:24:57,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:24:57,021 INFO L87 Difference]: Start difference. First operand 88 states and 129 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) [2024-11-27 20:24:57,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:24:57,069 INFO L93 Difference]: Finished difference Result 154 states and 223 transitions. [2024-11-27 20:24:57,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:24:57,070 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 [2024-11-27 20:24:57,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:24:57,072 INFO L225 Difference]: With dead ends: 154 [2024-11-27 20:24:57,072 INFO L226 Difference]: Without dead ends: 69 [2024-11-27 20:24:57,073 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:24:57,078 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 0 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:24:57,078 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 183 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:24:57,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-27 20:24:57,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-27 20:24:57,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 49 states have (on average 1.2244897959183674) internal successors, (60), 49 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) [2024-11-27 20:24:57,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 96 transitions. [2024-11-27 20:24:57,094 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 96 transitions. Word has length 123 [2024-11-27 20:24:57,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:24:57,095 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 96 transitions. [2024-11-27 20:24:57,095 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) [2024-11-27 20:24:57,096 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2024-11-27 20:24:57,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-27 20:24:57,102 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:24:57,102 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] [2024-11-27 20:24:57,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:24:57,102 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:24:57,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:24:57,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1509199089, now seen corresponding path program 1 times [2024-11-27 20:24:57,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:24:57,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048140374] [2024-11-27 20:24:57,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:24:57,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:24:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:24:58,912 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 20:24:58,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:24:58,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048140374] [2024-11-27 20:24:58,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048140374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:24:58,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:24:58,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 20:24:58,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410177805] [2024-11-27 20:24:58,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:24:58,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:24:58,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:24:58,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:24:58,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:24:58,917 INFO L87 Difference]: Start difference. First operand 69 states and 96 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 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) [2024-11-27 20:24:59,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:24:59,501 INFO L93 Difference]: Finished difference Result 170 states and 241 transitions. [2024-11-27 20:24:59,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:24:59,503 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 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 [2024-11-27 20:24:59,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:24:59,505 INFO L225 Difference]: With dead ends: 170 [2024-11-27 20:24:59,505 INFO L226 Difference]: Without dead ends: 104 [2024-11-27 20:24:59,510 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:24:59,511 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 93 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:24:59,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 384 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 20:24:59,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-27 20:24:59,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 69. [2024-11-27 20:24:59,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 49 states have internal predecessors, (59), 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) [2024-11-27 20:24:59,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 95 transitions. [2024-11-27 20:24:59,536 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 95 transitions. Word has length 124 [2024-11-27 20:24:59,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:24:59,537 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 95 transitions. [2024-11-27 20:24:59,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 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) [2024-11-27 20:24:59,537 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 95 transitions. [2024-11-27 20:24:59,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-27 20:24:59,539 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:24:59,539 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] [2024-11-27 20:24:59,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:24:59,540 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:24:59,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:24:59,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1953311941, now seen corresponding path program 1 times [2024-11-27 20:24:59,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:24:59,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386666105] [2024-11-27 20:24:59,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:24:59,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:24:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:00,184 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 18 proven. 33 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-27 20:25:00,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:00,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386666105] [2024-11-27 20:25:00,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386666105] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:25:00,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572169028] [2024-11-27 20:25:00,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:00,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:25:00,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:25:00,188 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:25:00,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:25:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:00,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-27 20:25:00,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:25:00,742 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 257 proven. 81 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-27 20:25:00,742 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:25:01,169 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 18 proven. 33 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-27 20:25:01,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572169028] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:25:01,170 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:25:01,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-11-27 20:25:01,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33197558] [2024-11-27 20:25:01,171 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:25:01,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:25:01,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:01,173 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:25:01,173 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:25:01,174 INFO L87 Difference]: Start difference. First operand 69 states and 95 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-27 20:25:01,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:01,549 INFO L93 Difference]: Finished difference Result 154 states and 211 transitions. [2024-11-27 20:25:01,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 20:25:01,550 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 128 [2024-11-27 20:25:01,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:01,552 INFO L225 Difference]: With dead ends: 154 [2024-11-27 20:25:01,552 INFO L226 Difference]: Without dead ends: 88 [2024-11-27 20:25:01,552 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 251 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2024-11-27 20:25:01,553 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 103 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:01,558 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 203 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:25:01,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-27 20:25:01,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 83. [2024-11-27 20:25:01,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 56 states have (on average 1.1607142857142858) internal successors, (65), 57 states have internal predecessors, (65), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-27 20:25:01,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 113 transitions. [2024-11-27 20:25:01,600 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 113 transitions. Word has length 128 [2024-11-27 20:25:01,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:01,601 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 113 transitions. [2024-11-27 20:25:01,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-27 20:25:01,603 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 113 transitions. [2024-11-27 20:25:01,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-27 20:25:01,605 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:01,608 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] [2024-11-27 20:25:01,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 20:25:01,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:25:01,809 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:01,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:01,809 INFO L85 PathProgramCache]: Analyzing trace with hash 152622526, now seen corresponding path program 1 times [2024-11-27 20:25:01,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:01,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559289040] [2024-11-27 20:25:01,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:01,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:03,120 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 20:25:03,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:03,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559289040] [2024-11-27 20:25:03,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559289040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:03,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:03,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:25:03,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492021768] [2024-11-27 20:25:03,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:03,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:25:03,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:03,122 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:25:03,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:25:03,123 INFO L87 Difference]: Start difference. First operand 83 states and 113 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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) [2024-11-27 20:25:03,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:03,633 INFO L93 Difference]: Finished difference Result 176 states and 233 transitions. [2024-11-27 20:25:03,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:25:03,634 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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 129 [2024-11-27 20:25:03,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:03,635 INFO L225 Difference]: With dead ends: 176 [2024-11-27 20:25:03,636 INFO L226 Difference]: Without dead ends: 106 [2024-11-27 20:25:03,636 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 [2024-11-27 20:25:03,637 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 228 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:03,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 172 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 20:25:03,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-27 20:25:03,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 105. [2024-11-27 20:25:03,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 69 states have (on average 1.1159420289855073) internal successors, (77), 70 states have internal predecessors, (77), 30 states have call successors, (30), 5 states have call predecessors, (30), 5 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-27 20:25:03,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 137 transitions. [2024-11-27 20:25:03,678 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 137 transitions. Word has length 129 [2024-11-27 20:25:03,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:03,679 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 137 transitions. [2024-11-27 20:25:03,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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) [2024-11-27 20:25:03,679 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 137 transitions. [2024-11-27 20:25:03,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-27 20:25:03,688 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:03,688 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] [2024-11-27 20:25:03,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:25:03,689 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:03,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:03,689 INFO L85 PathProgramCache]: Analyzing trace with hash -434183488, now seen corresponding path program 1 times [2024-11-27 20:25:03,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:03,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309205527] [2024-11-27 20:25:03,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:03,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:25:03,789 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:25:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:25:03,958 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 20:25:03,959 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 20:25:03,960 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 20:25:03,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 20:25:03,967 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:25:04,118 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:25:04,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:25:04 BoogieIcfgContainer [2024-11-27 20:25:04,126 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:25:04,128 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:25:04,128 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:25:04,129 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:25:04,130 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:24:54" (3/4) ... [2024-11-27 20:25:04,132 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 20:25:04,133 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:25:04,134 INFO L158 Benchmark]: Toolchain (without parser) took 10445.06ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 92.7MB in the beginning and 111.4MB in the end (delta: -18.7MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-11-27 20:25:04,134 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:25:04,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.30ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 78.6MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:25:04,135 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.79ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 75.8MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:25:04,139 INFO L158 Benchmark]: Boogie Preprocessor took 66.76ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 72.3MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:25:04,140 INFO L158 Benchmark]: RCFGBuilder took 765.63ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 50.9MB in the end (delta: 21.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 20:25:04,140 INFO L158 Benchmark]: TraceAbstraction took 9189.67ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 50.4MB in the beginning and 112.9MB in the end (delta: -62.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:25:04,140 INFO L158 Benchmark]: Witness Printer took 5.18ms. Allocated memory is still 176.2MB. Free memory was 112.9MB in the beginning and 111.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:25:04,142 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.30ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 78.6MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.79ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 75.8MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 66.76ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 72.3MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 765.63ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 50.9MB in the end (delta: 21.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 9189.67ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 50.4MB in the beginning and 112.9MB in the end (delta: -62.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.18ms. Allocated memory is still 176.2MB. Free memory was 112.9MB in the beginning and 111.4MB in the end (delta: 1.5MB). 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 105, overapproximation of someBinaryDOUBLEComparisonOperation at line 107, overapproximation of someBinaryDOUBLEComparisonOperation at line 127, 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=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] [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=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] [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=0, 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_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=0, 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=0, var_1_13=32766, 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=32766, 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=0, var_1_13=32766, 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=0, var_1_13=32766, 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=0, var_1_13=32766, 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=0, var_1_13=32766, 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=0, var_1_13=32766, 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=0, var_1_13=32766, 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=0, var_1_13=32766, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, 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=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, 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=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, 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] signed long int stepLocal_3 = last_1_var_1_23; [L50] 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-127, 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] [L51] COND FALSE !(last_1_var_1_23 < stepLocal_3) [L62] 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-127, 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] [L64] 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, stepLocal_2=0, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-127, 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] [L64] 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 [L65] 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, stepLocal_2=0, var_1_11=32767, var_1_12=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-127, var_1_1=4, var_1_20=500000004/5, var_1_23=5, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-127, var_1_1=4, var_1_21=100000005, var_1_23=5, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-127, var_1_1=300, var_1_21=100000005, var_1_23=5, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-127, var_1_1=300, var_1_21=100000005, var_1_23=5, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-127, var_1_1=300, var_1_21=100000005, var_1_23=5, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-127, var_1_1=300, var_1_21=100000005, var_1_23=5, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-127, var_1_1=300, var_1_21=100000005, var_1_23=5, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-127, var_1_1=300, var_1_21=100000005, var_1_23=5, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-127, var_1_1=300, var_1_21=100000005, var_1_23=5, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-127, var_1_1=300, var_1_21=100000005, var_1_23=5, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-127, var_1_1=300, var_1_21=100000005, var_1_23=5, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-127, var_1_1=300, var_1_21=100000005, var_1_23=5, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-127, var_1_1=300, var_1_21=100000005, var_1_23=5, 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=0, var_1_13=32766, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-127, var_1_1=300, var_1_21=100000005, var_1_23=5, 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, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.0s, OverallIterations: 7, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 536 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 513 mSDsluCounter, 1313 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 606 mSDsCounter, 200 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 457 IncrementalHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 200 mSolverCounterUnsat, 707 mSDtfsCounter, 457 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 420 GetRequests, 388 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=6, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 92 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 1127 NumberOfCodeBlocks, 1127 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1117 ConstructedInterpolants, 0 QuantifiedInterpolants, 2768 SizeOfPredicates, 3 NumberOfNonLiveVariables, 625 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 5327/5508 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 [2024-11-27 20:25:04,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-65.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b2a706fab54733b78e8edba721b68091444926b8cecca487ae9f3656a83e7950 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:25:07,083 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:25:07,191 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-27 20:25:07,197 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:25:07,198 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:25:07,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:25:07,234 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:25:07,235 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:25:07,236 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:25:07,236 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:25:07,236 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:25:07,237 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:25:07,237 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:25:07,237 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:25:07,238 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:25:07,239 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:25:07,239 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:25:07,239 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:25:07,239 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:25:07,239 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:25:07,239 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:25:07,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:25:07,240 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:25:07,240 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 20:25:07,240 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-27 20:25:07,240 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-27 20:25:07,241 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:25:07,241 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:25:07,241 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:25:07,241 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:25:07,241 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:25:07,241 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:25:07,241 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:25:07,242 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:25:07,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:25:07,243 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:25:07,243 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:25:07,243 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:25:07,243 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:25:07,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:25:07,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:25:07,244 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:25:07,244 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:25:07,244 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:25:07,244 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-27 20:25:07,244 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-27 20:25:07,244 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:25:07,244 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:25:07,244 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:25:07,244 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:25:07,244 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_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2a706fab54733b78e8edba721b68091444926b8cecca487ae9f3656a83e7950 [2024-11-27 20:25:07,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:25:07,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:25:07,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:25:07,635 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:25:07,635 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:25:07,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-65.i [2024-11-27 20:25:10,722 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/data/879a91aff/8959235bf59e44f9981af91a0835c90f/FLAG768f2150f [2024-11-27 20:25:10,986 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:25:10,987 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-65.i [2024-11-27 20:25:10,998 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/data/879a91aff/8959235bf59e44f9981af91a0835c90f/FLAG768f2150f [2024-11-27 20:25:11,027 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/data/879a91aff/8959235bf59e44f9981af91a0835c90f [2024-11-27 20:25:11,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:25:11,040 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:25:11,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:25:11,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:25:11,056 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:25:11,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:25:11" (1/1) ... [2024-11-27 20:25:11,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f19d9f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:11, skipping insertion in model container [2024-11-27 20:25:11,059 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:25:11" (1/1) ... [2024-11-27 20:25:11,083 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:25:11,288 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_d53663f7-303a-460b-90e3-48b07da7461b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-65.i[915,928] [2024-11-27 20:25:11,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:25:11,422 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:25:11,436 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_d53663f7-303a-460b-90e3-48b07da7461b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-65.i[915,928] [2024-11-27 20:25:11,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:25:11,529 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:25:11,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:11 WrapperNode [2024-11-27 20:25:11,530 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:25:11,531 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:25:11,531 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:25:11,532 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:25:11,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:11" (1/1) ... [2024-11-27 20:25:11,563 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:11" (1/1) ... [2024-11-27 20:25:11,612 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 136 [2024-11-27 20:25:11,617 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:25:11,617 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:25:11,617 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:25:11,618 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:25:11,631 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:11" (1/1) ... [2024-11-27 20:25:11,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:11" (1/1) ... [2024-11-27 20:25:11,636 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:11" (1/1) ... [2024-11-27 20:25:11,661 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-27 20:25:11,665 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:11" (1/1) ... [2024-11-27 20:25:11,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:11" (1/1) ... [2024-11-27 20:25:11,682 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:11" (1/1) ... [2024-11-27 20:25:11,687 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:11" (1/1) ... [2024-11-27 20:25:11,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:11" (1/1) ... [2024-11-27 20:25:11,696 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:11" (1/1) ... [2024-11-27 20:25:11,701 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:11" (1/1) ... [2024-11-27 20:25:11,705 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:25:11,709 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:25:11,713 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:25:11,714 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:25:11,715 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:11" (1/1) ... [2024-11-27 20:25:11,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:25:11,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:25:11,759 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:25:11,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:25:11,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:25:11,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-27 20:25:11,797 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 20:25:11,798 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 20:25:11,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:25:11,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:25:11,895 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:25:11,899 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:25:13,903 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-27 20:25:13,903 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:25:13,914 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:25:13,915 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:25:13,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:25:13 BoogieIcfgContainer [2024-11-27 20:25:13,915 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:25:13,918 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:25:13,919 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:25:13,925 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:25:13,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:25:11" (1/3) ... [2024-11-27 20:25:13,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11836721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:25:13, skipping insertion in model container [2024-11-27 20:25:13,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:11" (2/3) ... [2024-11-27 20:25:13,927 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11836721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:25:13, skipping insertion in model container [2024-11-27 20:25:13,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:25:13" (3/3) ... [2024-11-27 20:25:13,929 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-65.i [2024-11-27 20:25:13,947 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:25:13,949 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-65.i that has 2 procedures, 57 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 20:25:14,011 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:25:14,024 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;@20888dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:25:14,025 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:25:14,029 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 37 states have internal predecessors, (49), 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) [2024-11-27 20:25:14,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-27 20:25:14,041 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:14,042 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] [2024-11-27 20:25:14,042 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:14,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:14,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1160894003, now seen corresponding path program 1 times [2024-11-27 20:25:14,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:25:14,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [586240890] [2024-11-27 20:25:14,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:14,062 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:25:14,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:25:14,067 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 20:25:14,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-27 20:25:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:14,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 20:25:14,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:25:14,573 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-27 20:25:14,573 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:25:14,574 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:25:14,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [586240890] [2024-11-27 20:25:14,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [586240890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:14,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:14,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:25:14,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819203921] [2024-11-27 20:25:14,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:14,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 20:25:14,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:25:14,609 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:25:14,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:25:14,612 INFO L87 Difference]: Start difference. First operand has 57 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 37 states have internal predecessors, (49), 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 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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) [2024-11-27 20:25:14,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:14,637 INFO L93 Difference]: Finished difference Result 107 states and 182 transitions. [2024-11-27 20:25:14,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:25:14,640 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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 116 [2024-11-27 20:25:14,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:14,647 INFO L225 Difference]: With dead ends: 107 [2024-11-27 20:25:14,647 INFO L226 Difference]: Without dead ends: 53 [2024-11-27 20:25:14,651 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:25:14,655 INFO L435 NwaCegarLoop]: 77 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, 77 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:14,656 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:25:14,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-27 20:25:14,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-27 20:25:14,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 33 states have internal predecessors, (41), 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) [2024-11-27 20:25:14,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 77 transitions. [2024-11-27 20:25:14,703 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 77 transitions. Word has length 116 [2024-11-27 20:25:14,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:14,703 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 77 transitions. [2024-11-27 20:25:14,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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) [2024-11-27 20:25:14,704 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 77 transitions. [2024-11-27 20:25:14,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-27 20:25:14,708 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:14,709 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] [2024-11-27 20:25:14,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-27 20:25:14,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:25:14,910 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:14,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:14,911 INFO L85 PathProgramCache]: Analyzing trace with hash -464704823, now seen corresponding path program 1 times [2024-11-27 20:25:14,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:25:14,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [835223465] [2024-11-27 20:25:14,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:14,912 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:25:14,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:25:14,914 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 20:25:14,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-27 20:25:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:15,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 20:25:15,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:25:15,985 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 20:25:15,986 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:25:15,986 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:25:15,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [835223465] [2024-11-27 20:25:15,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [835223465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:15,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:15,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:25:15,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243848333] [2024-11-27 20:25:15,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:15,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:25:15,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:25:15,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:25:15,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:25:15,993 INFO L87 Difference]: Start difference. First operand 53 states and 77 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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) [2024-11-27 20:25:16,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:16,716 INFO L93 Difference]: Finished difference Result 153 states and 225 transitions. [2024-11-27 20:25:16,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:25:16,718 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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 116 [2024-11-27 20:25:16,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:16,723 INFO L225 Difference]: With dead ends: 153 [2024-11-27 20:25:16,723 INFO L226 Difference]: Without dead ends: 103 [2024-11-27 20:25:16,724 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:25:16,725 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 15 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:16,726 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 149 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 20:25:16,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-27 20:25:16,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 101. [2024-11-27 20:25:16,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 62 states have (on average 1.2419354838709677) internal successors, (77), 62 states have internal predecessors, (77), 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) [2024-11-27 20:25:16,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 149 transitions. [2024-11-27 20:25:16,777 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 149 transitions. Word has length 116 [2024-11-27 20:25:16,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:16,778 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 149 transitions. [2024-11-27 20:25:16,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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) [2024-11-27 20:25:16,779 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 149 transitions. [2024-11-27 20:25:16,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-27 20:25:16,784 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:16,785 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] [2024-11-27 20:25:16,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-27 20:25:16,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:25:16,985 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:16,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:16,986 INFO L85 PathProgramCache]: Analyzing trace with hash -521963125, now seen corresponding path program 1 times [2024-11-27 20:25:16,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:25:16,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1818485880] [2024-11-27 20:25:16,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:16,987 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:25:16,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:25:16,993 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 20:25:16,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-27 20:25:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:17,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:25:17,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:25:17,873 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 293 proven. 33 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2024-11-27 20:25:17,874 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:25:18,436 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 18 proven. 33 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-27 20:25:18,437 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:25:18,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1818485880] [2024-11-27 20:25:18,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1818485880] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:25:18,437 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:25:18,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-11-27 20:25:18,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55997898] [2024-11-27 20:25:18,438 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:25:18,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 20:25:18,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:25:18,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 20:25:18,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:25:18,440 INFO L87 Difference]: Start difference. First operand 101 states and 149 transitions. Second operand has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 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) [2024-11-27 20:25:20,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:20,358 INFO L93 Difference]: Finished difference Result 176 states and 252 transitions. [2024-11-27 20:25:20,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 20:25:20,360 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 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 116 [2024-11-27 20:25:20,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:20,366 INFO L225 Difference]: With dead ends: 176 [2024-11-27 20:25:20,368 INFO L226 Difference]: Without dead ends: 126 [2024-11-27 20:25:20,369 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 223 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2024-11-27 20:25:20,370 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 69 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:20,371 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 157 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-27 20:25:20,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-27 20:25:20,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 119. [2024-11-27 20:25:20,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 72 states have (on average 1.1944444444444444) internal successors, (86), 73 states have internal predecessors, (86), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-27 20:25:20,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 170 transitions. [2024-11-27 20:25:20,412 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 170 transitions. Word has length 116 [2024-11-27 20:25:20,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:20,412 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 170 transitions. [2024-11-27 20:25:20,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 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) [2024-11-27 20:25:20,413 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 170 transitions. [2024-11-27 20:25:20,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-27 20:25:20,415 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:20,415 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] [2024-11-27 20:25:20,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-27 20:25:20,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:25:20,616 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:20,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:20,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1756507905, now seen corresponding path program 1 times [2024-11-27 20:25:20,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:25:20,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [358011921] [2024-11-27 20:25:20,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:20,618 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:25:20,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:25:20,625 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 20:25:20,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-27 20:25:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:20,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:25:20,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:25:21,160 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-27 20:25:21,161 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:25:21,161 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:25:21,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [358011921] [2024-11-27 20:25:21,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [358011921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:21,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:21,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 20:25:21,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16799608] [2024-11-27 20:25:21,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:21,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:25:21,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:25:21,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:25:21,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:25:21,164 INFO L87 Difference]: Start difference. First operand 119 states and 170 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 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) [2024-11-27 20:25:23,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:23,787 INFO L93 Difference]: Finished difference Result 286 states and 393 transitions. [2024-11-27 20:25:23,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 20:25:23,788 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 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 117 [2024-11-27 20:25:23,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:23,791 INFO L225 Difference]: With dead ends: 286 [2024-11-27 20:25:23,792 INFO L226 Difference]: Without dead ends: 180 [2024-11-27 20:25:23,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-11-27 20:25:23,794 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 94 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:23,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 243 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-27 20:25:23,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-11-27 20:25:23,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 95. [2024-11-27 20:25:23,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 55 states have (on average 1.1090909090909091) internal successors, (61), 56 states have internal predecessors, (61), 34 states have call successors, (34), 5 states have call predecessors, (34), 5 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-27 20:25:23,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 129 transitions. [2024-11-27 20:25:23,832 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 129 transitions. Word has length 117 [2024-11-27 20:25:23,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:23,833 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 129 transitions. [2024-11-27 20:25:23,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 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) [2024-11-27 20:25:23,833 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 129 transitions. [2024-11-27 20:25:23,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-27 20:25:23,836 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:23,836 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] [2024-11-27 20:25:23,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-27 20:25:24,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:25:24,037 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:24,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:24,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1754660863, now seen corresponding path program 1 times [2024-11-27 20:25:24,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:25:24,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1796619713] [2024-11-27 20:25:24,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:24,038 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 20:25:24,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:25:24,040 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 20:25:24,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53663f7-303a-460b-90e3-48b07da7461b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-27 20:25:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:24,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-27 20:25:24,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:26:16,933 WARN L286 SmtUtils]: Spent 19.05s on a formula simplification that was a NOOP. DAG size: 58 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 20:26:57,875 WARN L286 SmtUtils]: Spent 15.95s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 20:27:39,357 WARN L286 SmtUtils]: Spent 16.15s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)