./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.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_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b8b9ffa0f086760a52bbb5b7ce872ecb50536a94abf6bed664eac71cc82e5722 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:02:57,858 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:02:57,917 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 12:02:57,922 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:02:57,922 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:02:57,944 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:02:57,945 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:02:57,945 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:02:57,945 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:02:57,945 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:02:57,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:02:57,945 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:02:57,946 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:02:57,946 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:02:57,946 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:02:57,946 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:02:57,946 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:02:57,946 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:02:57,946 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:02:57,946 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:02:57,946 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:02:57,947 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:02:57,947 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:02:57,947 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:02:57,947 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:02:57,947 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:02:57,947 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:02:57,947 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:02:57,947 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:02:57,947 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:02:57,947 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:02:57,947 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:02:57,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:02:57,948 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:02:57,948 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:02:57,948 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:02:57,948 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:02:57,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:02:57,948 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:02:57,949 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:02:57,949 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:02:57,949 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:02:57,949 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:02:57,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:02:57,949 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:02:57,949 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:02:57,949 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:02:57,949 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:02:57,949 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_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8b9ffa0f086760a52bbb5b7ce872ecb50536a94abf6bed664eac71cc82e5722 [2024-12-02 12:02:58,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:02:58,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:02:58,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:02:58,200 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:02:58,200 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:02:58,201 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.i [2024-12-02 12:03:00,830 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/data/73a9002fc/f178dbe1ef834af69f6ac051d6dc6d65/FLAGb8faf24bc [2024-12-02 12:03:01,045 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:03:01,045 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.i [2024-12-02 12:03:01,054 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/data/73a9002fc/f178dbe1ef834af69f6ac051d6dc6d65/FLAGb8faf24bc [2024-12-02 12:03:01,397 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/data/73a9002fc/f178dbe1ef834af69f6ac051d6dc6d65 [2024-12-02 12:03:01,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:03:01,401 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:03:01,402 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:03:01,402 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:03:01,407 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:03:01,407 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:03:01" (1/1) ... [2024-12-02 12:03:01,408 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ceb1589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:03:01, skipping insertion in model container [2024-12-02 12:03:01,408 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:03:01" (1/1) ... [2024-12-02 12:03:01,426 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:03:01,537 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_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.i[915,928] [2024-12-02 12:03:01,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:03:01,606 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:03:01,613 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_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.i[915,928] [2024-12-02 12:03:01,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:03:01,661 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:03:01,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:03:01 WrapperNode [2024-12-02 12:03:01,662 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:03:01,663 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:03:01,663 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:03:01,663 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:03:01,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:03:01" (1/1) ... [2024-12-02 12:03:01,679 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:03:01" (1/1) ... [2024-12-02 12:03:01,714 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 201 [2024-12-02 12:03:01,714 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:03:01,715 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:03:01,715 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:03:01,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:03:01,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:03:01" (1/1) ... [2024-12-02 12:03:01,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:03:01" (1/1) ... [2024-12-02 12:03:01,724 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:03:01" (1/1) ... [2024-12-02 12:03:01,741 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 12:03:01,741 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:03:01" (1/1) ... [2024-12-02 12:03:01,741 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:03:01" (1/1) ... [2024-12-02 12:03:01,751 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:03:01" (1/1) ... [2024-12-02 12:03:01,753 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:03:01" (1/1) ... [2024-12-02 12:03:01,756 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:03:01" (1/1) ... [2024-12-02 12:03:01,759 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:03:01" (1/1) ... [2024-12-02 12:03:01,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:03:01" (1/1) ... [2024-12-02 12:03:01,765 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:03:01,766 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:03:01,766 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:03:01,766 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:03:01,767 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:03:01" (1/1) ... [2024-12-02 12:03:01,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:03:01,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:03:01,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:03:01,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:03:01,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:03:01,821 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 12:03:01,821 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 12:03:01,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 12:03:01,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:03:01,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:03:01,897 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:03:01,898 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:03:02,268 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-12-02 12:03:02,268 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:03:02,276 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:03:02,276 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 12:03:02,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:03:02 BoogieIcfgContainer [2024-12-02 12:03:02,277 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:03:02,279 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:03:02,279 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:03:02,282 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:03:02,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:03:01" (1/3) ... [2024-12-02 12:03:02,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59768db7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:03:02, skipping insertion in model container [2024-12-02 12:03:02,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:03:01" (2/3) ... [2024-12-02 12:03:02,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59768db7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:03:02, skipping insertion in model container [2024-12-02 12:03:02,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:03:02" (3/3) ... [2024-12-02 12:03:02,284 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-59.i [2024-12-02 12:03:02,295 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:03:02,297 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-59.i that has 2 procedures, 86 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 12:03:02,341 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:03:02,351 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;@44eb022e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:03:02,351 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 12:03:02,354 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 57 states have internal predecessors, (80), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 12:03:02,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-12-02 12:03:02,366 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:03:02,366 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:03:02,367 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:03:02,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:03:02,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1810492343, now seen corresponding path program 1 times [2024-12-02 12:03:02,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:03:02,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405459454] [2024-12-02 12:03:02,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:03:02,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:03:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:03:02,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 1352 trivial. 0 not checked. [2024-12-02 12:03:02,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:03:02,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405459454] [2024-12-02 12:03:02,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405459454] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:03:02,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1407038174] [2024-12-02 12:03:02,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:03:02,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:03:02,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:03:02,683 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:03:02,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 12:03:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:03:02,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 12:03:02,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:03:02,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 1352 trivial. 0 not checked. [2024-12-02 12:03:02,885 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:03:02,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1407038174] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:03:02,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:03:02,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 12:03:02,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700943013] [2024-12-02 12:03:02,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:03:02,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 12:03:02,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:03:02,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 12:03:02,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:03:02,908 INFO L87 Difference]: Start difference. First operand has 86 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 57 states have internal predecessors, (80), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 12:03:02,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:03:02,932 INFO L93 Difference]: Finished difference Result 165 states and 289 transitions. [2024-12-02 12:03:02,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 12:03:02,934 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 175 [2024-12-02 12:03:02,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:03:02,939 INFO L225 Difference]: With dead ends: 165 [2024-12-02 12:03:02,939 INFO L226 Difference]: Without dead ends: 82 [2024-12-02 12:03:02,942 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:03:02,944 INFO L435 NwaCegarLoop]: 125 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, 125 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:03:02,945 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:03:02,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-12-02 12:03:02,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-12-02 12:03:02,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 53 states have (on average 1.3396226415094339) internal successors, (71), 53 states have internal predecessors, (71), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 12:03:02,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 125 transitions. [2024-12-02 12:03:02,979 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 125 transitions. Word has length 175 [2024-12-02 12:03:02,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:03:02,979 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 125 transitions. [2024-12-02 12:03:02,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 12:03:02,980 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 125 transitions. [2024-12-02 12:03:02,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-12-02 12:03:02,982 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:03:02,982 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:03:02,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 12:03:03,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:03:03,183 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:03:03,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:03:03,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1780209599, now seen corresponding path program 1 times [2024-12-02 12:03:03,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:03:03,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395402542] [2024-12-02 12:03:03,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:03:03,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:03:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:03:03,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-12-02 12:03:03,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:03:03,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395402542] [2024-12-02 12:03:03,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395402542] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:03:03,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:03:03,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:03:03,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556096713] [2024-12-02 12:03:03,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:03:03,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:03:03,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:03:03,587 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:03:03,588 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:03:03,588 INFO L87 Difference]: Start difference. First operand 82 states and 125 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-12-02 12:03:03,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:03:03,781 INFO L93 Difference]: Finished difference Result 225 states and 343 transitions. [2024-12-02 12:03:03,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:03:03,782 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-12-02 12:03:03,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:03:03,785 INFO L225 Difference]: With dead ends: 225 [2024-12-02 12:03:03,785 INFO L226 Difference]: Without dead ends: 146 [2024-12-02 12:03:03,786 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:03:03,786 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 96 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:03:03,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 309 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:03:03,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-12-02 12:03:03,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 143. [2024-12-02 12:03:03,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 93 states have (on average 1.3333333333333333) internal successors, (124), 94 states have internal predecessors, (124), 47 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2024-12-02 12:03:03,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 218 transitions. [2024-12-02 12:03:03,810 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 218 transitions. Word has length 175 [2024-12-02 12:03:03,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:03:03,810 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 218 transitions. [2024-12-02 12:03:03,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-12-02 12:03:03,811 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 218 transitions. [2024-12-02 12:03:03,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-12-02 12:03:03,813 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:03:03,813 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:03:03,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 12:03:03,814 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:03:03,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:03:03,814 INFO L85 PathProgramCache]: Analyzing trace with hash 769092349, now seen corresponding path program 1 times [2024-12-02 12:03:03,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:03:03,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787568243] [2024-12-02 12:03:03,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:03:03,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:03:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:03:04,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-12-02 12:03:04,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:03:04,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787568243] [2024-12-02 12:03:04,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787568243] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:03:04,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:03:04,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:03:04,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21873892] [2024-12-02 12:03:04,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:03:04,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:03:04,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:03:04,114 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:03:04,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:03:04,114 INFO L87 Difference]: Start difference. First operand 143 states and 218 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-12-02 12:03:04,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:03:04,170 INFO L93 Difference]: Finished difference Result 422 states and 647 transitions. [2024-12-02 12:03:04,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:03:04,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-12-02 12:03:04,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:03:04,176 INFO L225 Difference]: With dead ends: 422 [2024-12-02 12:03:04,176 INFO L226 Difference]: Without dead ends: 282 [2024-12-02 12:03:04,177 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:03:04,178 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 71 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:03:04,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 273 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:03:04,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-12-02 12:03:04,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 280. [2024-12-02 12:03:04,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 181 states have (on average 1.3314917127071824) internal successors, (241), 183 states have internal predecessors, (241), 94 states have call successors, (94), 4 states have call predecessors, (94), 4 states have return successors, (94), 92 states have call predecessors, (94), 94 states have call successors, (94) [2024-12-02 12:03:04,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 429 transitions. [2024-12-02 12:03:04,235 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 429 transitions. Word has length 175 [2024-12-02 12:03:04,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:03:04,236 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 429 transitions. [2024-12-02 12:03:04,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-12-02 12:03:04,236 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 429 transitions. [2024-12-02 12:03:04,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-12-02 12:03:04,239 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:03:04,239 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:03:04,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 12:03:04,240 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:03:04,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:03:04,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1590851278, now seen corresponding path program 1 times [2024-12-02 12:03:04,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:03:04,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917084876] [2024-12-02 12:03:04,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:03:04,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:03:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:03:04,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-12-02 12:03:04,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:03:04,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917084876] [2024-12-02 12:03:04,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917084876] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:03:04,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:03:04,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:03:04,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948733596] [2024-12-02 12:03:04,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:03:04,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:03:04,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:03:04,535 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:03:04,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:03:04,536 INFO L87 Difference]: Start difference. First operand 280 states and 429 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-12-02 12:03:04,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:03:04,594 INFO L93 Difference]: Finished difference Result 557 states and 855 transitions. [2024-12-02 12:03:04,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:03:04,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-12-02 12:03:04,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:03:04,598 INFO L225 Difference]: With dead ends: 557 [2024-12-02 12:03:04,598 INFO L226 Difference]: Without dead ends: 280 [2024-12-02 12:03:04,600 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:03:04,600 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:03:04,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 237 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:03:04,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-12-02 12:03:04,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 279. [2024-12-02 12:03:04,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 180 states have (on average 1.3111111111111111) internal successors, (236), 182 states have internal predecessors, (236), 94 states have call successors, (94), 4 states have call predecessors, (94), 4 states have return successors, (94), 92 states have call predecessors, (94), 94 states have call successors, (94) [2024-12-02 12:03:04,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 424 transitions. [2024-12-02 12:03:04,654 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 424 transitions. Word has length 176 [2024-12-02 12:03:04,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:03:04,655 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 424 transitions. [2024-12-02 12:03:04,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-12-02 12:03:04,655 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 424 transitions. [2024-12-02 12:03:04,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-12-02 12:03:04,658 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:03:04,658 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:03:04,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 12:03:04,658 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:03:04,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:03:04,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1692998768, now seen corresponding path program 1 times [2024-12-02 12:03:04,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:03:04,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216371000] [2024-12-02 12:03:04,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:03:04,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:03:04,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:03:05,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-12-02 12:03:05,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:03:05,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216371000] [2024-12-02 12:03:05,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216371000] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:03:05,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:03:05,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:03:05,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90143778] [2024-12-02 12:03:05,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:03:05,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:03:05,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:03:05,016 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:03:05,016 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:03:05,016 INFO L87 Difference]: Start difference. First operand 279 states and 424 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-12-02 12:03:05,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:03:05,213 INFO L93 Difference]: Finished difference Result 687 states and 1040 transitions. [2024-12-02 12:03:05,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:03:05,214 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-12-02 12:03:05,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:03:05,217 INFO L225 Difference]: With dead ends: 687 [2024-12-02 12:03:05,218 INFO L226 Difference]: Without dead ends: 411 [2024-12-02 12:03:05,219 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:03:05,219 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 85 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:03:05,220 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 356 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:03:05,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-12-02 12:03:05,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 358. [2024-12-02 12:03:05,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 230 states have (on average 1.2695652173913043) internal successors, (292), 232 states have internal predecessors, (292), 121 states have call successors, (121), 6 states have call predecessors, (121), 6 states have return successors, (121), 119 states have call predecessors, (121), 121 states have call successors, (121) [2024-12-02 12:03:05,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 534 transitions. [2024-12-02 12:03:05,272 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 534 transitions. Word has length 176 [2024-12-02 12:03:05,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:03:05,272 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 534 transitions. [2024-12-02 12:03:05,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-12-02 12:03:05,273 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 534 transitions. [2024-12-02 12:03:05,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-12-02 12:03:05,274 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:03:05,274 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:03:05,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 12:03:05,274 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:03:05,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:03:05,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1751997195, now seen corresponding path program 1 times [2024-12-02 12:03:05,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:03:05,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433536234] [2024-12-02 12:03:05,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:03:05,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:03:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:03:05,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-12-02 12:03:05,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:03:05,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433536234] [2024-12-02 12:03:05,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433536234] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:03:05,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:03:05,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:03:05,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180074330] [2024-12-02 12:03:05,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:03:05,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:03:05,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:03:05,469 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:03:05,469 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:03:05,470 INFO L87 Difference]: Start difference. First operand 358 states and 534 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-12-02 12:03:05,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:03:05,545 INFO L93 Difference]: Finished difference Result 909 states and 1348 transitions. [2024-12-02 12:03:05,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:03:05,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-12-02 12:03:05,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:03:05,549 INFO L225 Difference]: With dead ends: 909 [2024-12-02 12:03:05,549 INFO L226 Difference]: Without dead ends: 610 [2024-12-02 12:03:05,551 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:03:05,551 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 87 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:03:05,551 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 283 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:03:05,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2024-12-02 12:03:05,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 604. [2024-12-02 12:03:05,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 408 states have (on average 1.2818627450980393) internal successors, (523), 414 states have internal predecessors, (523), 185 states have call successors, (185), 10 states have call predecessors, (185), 10 states have return successors, (185), 179 states have call predecessors, (185), 185 states have call successors, (185) [2024-12-02 12:03:05,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 893 transitions. [2024-12-02 12:03:05,614 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 893 transitions. Word has length 177 [2024-12-02 12:03:05,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:03:05,614 INFO L471 AbstractCegarLoop]: Abstraction has 604 states and 893 transitions. [2024-12-02 12:03:05,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-12-02 12:03:05,615 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 893 transitions. [2024-12-02 12:03:05,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-12-02 12:03:05,616 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:03:05,616 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:03:05,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 12:03:05,616 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:03:05,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:03:05,617 INFO L85 PathProgramCache]: Analyzing trace with hash 854026359, now seen corresponding path program 1 times [2024-12-02 12:03:05,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:03:05,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727796222] [2024-12-02 12:03:05,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:03:05,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:03:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:03:06,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-12-02 12:03:06,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:03:06,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727796222] [2024-12-02 12:03:06,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727796222] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:03:06,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:03:06,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 12:03:06,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459405106] [2024-12-02 12:03:06,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:03:06,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 12:03:06,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:03:06,009 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 12:03:06,009 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:03:06,009 INFO L87 Difference]: Start difference. First operand 604 states and 893 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 12:03:06,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:03:06,420 INFO L93 Difference]: Finished difference Result 1666 states and 2488 transitions. [2024-12-02 12:03:06,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:03:06,421 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 177 [2024-12-02 12:03:06,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:03:06,429 INFO L225 Difference]: With dead ends: 1666 [2024-12-02 12:03:06,429 INFO L226 Difference]: Without dead ends: 1168 [2024-12-02 12:03:06,431 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-12-02 12:03:06,431 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 215 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:03:06,431 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 614 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:03:06,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2024-12-02 12:03:06,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1100. [2024-12-02 12:03:06,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1100 states, 738 states have (on average 1.2777777777777777) internal successors, (943), 750 states have internal predecessors, (943), 343 states have call successors, (343), 18 states have call predecessors, (343), 18 states have return successors, (343), 331 states have call predecessors, (343), 343 states have call successors, (343) [2024-12-02 12:03:06,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 1629 transitions. [2024-12-02 12:03:06,613 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 1629 transitions. Word has length 177 [2024-12-02 12:03:06,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:03:06,614 INFO L471 AbstractCegarLoop]: Abstraction has 1100 states and 1629 transitions. [2024-12-02 12:03:06,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 12:03:06,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1629 transitions. [2024-12-02 12:03:06,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-12-02 12:03:06,617 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:03:06,617 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:03:06,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 12:03:06,617 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:03:06,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:03:06,618 INFO L85 PathProgramCache]: Analyzing trace with hash 2098796613, now seen corresponding path program 1 times [2024-12-02 12:03:06,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:03:06,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389972853] [2024-12-02 12:03:06,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:03:06,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:03:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:03:07,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 36 proven. 42 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2024-12-02 12:03:07,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:03:07,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389972853] [2024-12-02 12:03:07,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389972853] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:03:07,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616262047] [2024-12-02 12:03:07,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:03:07,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:03:07,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:03:07,230 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:03:07,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 12:03:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:03:07,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 12:03:07,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:03:08,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 722 proven. 42 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2024-12-02 12:03:08,115 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:03:08,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 36 proven. 42 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2024-12-02 12:03:08,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [616262047] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:03:08,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:03:08,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 8] total 18 [2024-12-02 12:03:08,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349986195] [2024-12-02 12:03:08,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:03:08,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 12:03:08,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:03:08,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 12:03:08,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2024-12-02 12:03:08,632 INFO L87 Difference]: Start difference. First operand 1100 states and 1629 transitions. Second operand has 18 states, 18 states have (on average 6.722222222222222) internal successors, (121), 18 states have internal predecessors, (121), 5 states have call successors, (68), 3 states have call predecessors, (68), 6 states have return successors, (69), 5 states have call predecessors, (69), 5 states have call successors, (69) [2024-12-02 12:03:10,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:03:10,120 INFO L93 Difference]: Finished difference Result 3558 states and 5142 transitions. [2024-12-02 12:03:10,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-02 12:03:10,121 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.722222222222222) internal successors, (121), 18 states have internal predecessors, (121), 5 states have call successors, (68), 3 states have call predecessors, (68), 6 states have return successors, (69), 5 states have call predecessors, (69), 5 states have call successors, (69) Word has length 178 [2024-12-02 12:03:10,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:03:10,138 INFO L225 Difference]: With dead ends: 3558 [2024-12-02 12:03:10,139 INFO L226 Difference]: Without dead ends: 2564 [2024-12-02 12:03:10,144 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 347 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=366, Invalid=1440, Unknown=0, NotChecked=0, Total=1806 [2024-12-02 12:03:10,144 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 715 mSDsluCounter, 784 mSDsCounter, 0 mSdLazyCounter, 979 mSolverCounterSat, 430 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 754 SdHoareTripleChecker+Valid, 936 SdHoareTripleChecker+Invalid, 1409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 430 IncrementalHoareTripleChecker+Valid, 979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 12:03:10,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [754 Valid, 936 Invalid, 1409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [430 Valid, 979 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 12:03:10,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2564 states. [2024-12-02 12:03:10,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2564 to 1240. [2024-12-02 12:03:10,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1240 states, 861 states have (on average 1.2473867595818815) internal successors, (1074), 873 states have internal predecessors, (1074), 343 states have call successors, (343), 35 states have call predecessors, (343), 35 states have return successors, (343), 331 states have call predecessors, (343), 343 states have call successors, (343) [2024-12-02 12:03:10,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 1760 transitions. [2024-12-02 12:03:10,364 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 1760 transitions. Word has length 178 [2024-12-02 12:03:10,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:03:10,365 INFO L471 AbstractCegarLoop]: Abstraction has 1240 states and 1760 transitions. [2024-12-02 12:03:10,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.722222222222222) internal successors, (121), 18 states have internal predecessors, (121), 5 states have call successors, (68), 3 states have call predecessors, (68), 6 states have return successors, (69), 5 states have call predecessors, (69), 5 states have call successors, (69) [2024-12-02 12:03:10,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1760 transitions. [2024-12-02 12:03:10,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-12-02 12:03:10,368 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:03:10,368 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:03:10,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 12:03:10,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:03:10,569 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:03:10,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:03:10,569 INFO L85 PathProgramCache]: Analyzing trace with hash 323789251, now seen corresponding path program 1 times [2024-12-02 12:03:10,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:03:10,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485123435] [2024-12-02 12:03:10,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:03:10,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:03:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 12:03:10,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [949019949] [2024-12-02 12:03:10,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:03:10,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:03:10,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:03:10,718 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:03:10,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 12:03:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:03:10,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-12-02 12:03:10,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:03:13,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 338 proven. 300 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2024-12-02 12:03:13,652 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:03:32,795 WARN L286 SmtUtils]: Spent 6.80s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:03:48,686 WARN L286 SmtUtils]: Spent 7.82s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 12:04:28,592 WARN L286 SmtUtils]: Spent 5.11s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 12:04:56,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:04:56,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485123435] [2024-12-02 12:04:56,830 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 12:04:56,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949019949] [2024-12-02 12:04:56,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949019949] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:04:56,830 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:04:56,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2024-12-02 12:04:56,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379547734] [2024-12-02 12:04:56,830 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 12:04:56,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-02 12:04:56,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:04:56,831 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-02 12:04:56,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=860, Unknown=2, NotChecked=0, Total=1122 [2024-12-02 12:04:56,832 INFO L87 Difference]: Start difference. First operand 1240 states and 1760 transitions. Second operand has 24 states, 24 states have (on average 2.6666666666666665) internal successors, (64), 21 states have internal predecessors, (64), 6 states have call successors, (27), 6 states have call predecessors, (27), 7 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2024-12-02 12:05:14,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:05:14,789 INFO L93 Difference]: Finished difference Result 2112 states and 2864 transitions. [2024-12-02 12:05:14,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-02 12:05:14,790 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.6666666666666665) internal successors, (64), 21 states have internal predecessors, (64), 6 states have call successors, (27), 6 states have call predecessors, (27), 7 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) Word has length 178 [2024-12-02 12:05:14,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:05:14,796 INFO L225 Difference]: With dead ends: 2112 [2024-12-02 12:05:14,796 INFO L226 Difference]: Without dead ends: 1542 [2024-12-02 12:05:14,798 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 818 ImplicationChecksByTransitivity, 68.7s TimeCoverageRelationStatistics Valid=722, Invalid=2581, Unknown=3, NotChecked=0, Total=3306 [2024-12-02 12:05:14,799 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 190 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 805 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 796 SdHoareTripleChecker+Invalid, 876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:05:14,799 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 796 Invalid, 876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 805 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 12:05:14,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1542 states. [2024-12-02 12:05:14,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1542 to 1444. [2024-12-02 12:05:14,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1444 states, 1020 states have (on average 1.2088235294117646) internal successors, (1233), 1032 states have internal predecessors, (1233), 343 states have call successors, (343), 80 states have call predecessors, (343), 80 states have return successors, (343), 331 states have call predecessors, (343), 343 states have call successors, (343) [2024-12-02 12:05:14,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1444 states and 1919 transitions. [2024-12-02 12:05:14,970 INFO L78 Accepts]: Start accepts. Automaton has 1444 states and 1919 transitions. Word has length 178 [2024-12-02 12:05:14,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:05:14,970 INFO L471 AbstractCegarLoop]: Abstraction has 1444 states and 1919 transitions. [2024-12-02 12:05:14,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.6666666666666665) internal successors, (64), 21 states have internal predecessors, (64), 6 states have call successors, (27), 6 states have call predecessors, (27), 7 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2024-12-02 12:05:14,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 1919 transitions. [2024-12-02 12:05:14,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-12-02 12:05:14,973 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:05:14,973 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:05:14,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 12:05:15,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:05:15,174 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:05:15,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:05:15,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1938005245, now seen corresponding path program 1 times [2024-12-02 12:05:15,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:05:15,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120443589] [2024-12-02 12:05:15,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:15,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:05:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 12:05:15,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1678363614] [2024-12-02 12:05:15,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:15,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:05:15,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:05:15,296 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:05:15,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 12:05:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:05:15,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-02 12:05:15,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:05:16,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 276 proven. 198 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2024-12-02 12:05:16,994 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:05:35,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:05:35,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120443589] [2024-12-02 12:05:35,985 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 12:05:35,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678363614] [2024-12-02 12:05:35,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678363614] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:05:35,986 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:05:35,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-12-02 12:05:35,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913233569] [2024-12-02 12:05:35,986 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 12:05:35,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 12:05:35,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:05:35,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 12:05:35,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2024-12-02 12:05:35,987 INFO L87 Difference]: Start difference. First operand 1444 states and 1919 transitions. Second operand has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 12 states have internal predecessors, (58), 4 states have call successors, (27), 4 states have call predecessors, (27), 5 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2024-12-02 12:05:36,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:05:36,700 INFO L93 Difference]: Finished difference Result 2798 states and 3719 transitions. [2024-12-02 12:05:36,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 12:05:36,701 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 12 states have internal predecessors, (58), 4 states have call successors, (27), 4 states have call predecessors, (27), 5 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 178 [2024-12-02 12:05:36,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:05:36,710 INFO L225 Difference]: With dead ends: 2798 [2024-12-02 12:05:36,710 INFO L226 Difference]: Without dead ends: 1484 [2024-12-02 12:05:36,714 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=176, Invalid=424, Unknown=0, NotChecked=0, Total=600 [2024-12-02 12:05:36,715 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 46 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:05:36,715 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 609 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 12:05:36,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1484 states. [2024-12-02 12:05:36,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1484 to 1444. [2024-12-02 12:05:36,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1444 states, 1020 states have (on average 1.2009803921568627) internal successors, (1225), 1032 states have internal predecessors, (1225), 343 states have call successors, (343), 80 states have call predecessors, (343), 80 states have return successors, (343), 331 states have call predecessors, (343), 343 states have call successors, (343) [2024-12-02 12:05:36,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1444 states and 1911 transitions. [2024-12-02 12:05:36,898 INFO L78 Accepts]: Start accepts. Automaton has 1444 states and 1911 transitions. Word has length 178 [2024-12-02 12:05:36,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:05:36,899 INFO L471 AbstractCegarLoop]: Abstraction has 1444 states and 1911 transitions. [2024-12-02 12:05:36,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 12 states have internal predecessors, (58), 4 states have call successors, (27), 4 states have call predecessors, (27), 5 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2024-12-02 12:05:36,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 1911 transitions. [2024-12-02 12:05:36,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-12-02 12:05:36,902 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:05:36,902 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:05:36,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 12:05:37,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:05:37,102 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:05:37,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:05:37,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1211971989, now seen corresponding path program 1 times [2024-12-02 12:05:37,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:05:37,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823884477] [2024-12-02 12:05:37,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:37,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:05:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 12:05:37,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1261943395] [2024-12-02 12:05:37,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:37,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:05:37,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:05:37,215 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:05:37,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 12:05:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:05:37,438 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:05:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:05:37,614 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 12:05:37,615 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 12:05:37,615 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 12:05:37,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 12:05:37,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:05:37,820 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:05:37,908 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 12:05:37,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:05:37 BoogieIcfgContainer [2024-12-02 12:05:37,911 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 12:05:37,911 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 12:05:37,911 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 12:05:37,912 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 12:05:37,912 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:03:02" (3/4) ... [2024-12-02 12:05:37,914 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 12:05:37,914 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 12:05:37,915 INFO L158 Benchmark]: Toolchain (without parser) took 156514.35ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 118.0MB in the beginning and 245.3MB in the end (delta: -127.3MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. [2024-12-02 12:05:37,915 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:05:37,915 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.20ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 102.4MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 12:05:37,915 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.33ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 98.1MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:05:37,916 INFO L158 Benchmark]: Boogie Preprocessor took 50.54ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 91.6MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:05:37,916 INFO L158 Benchmark]: RCFGBuilder took 511.24ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 64.6MB in the end (delta: 26.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 12:05:37,916 INFO L158 Benchmark]: TraceAbstraction took 155632.28ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 64.1MB in the beginning and 245.3MB in the end (delta: -181.2MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-12-02 12:05:37,916 INFO L158 Benchmark]: Witness Printer took 2.81ms. Allocated memory is still 343.9MB. Free memory was 245.3MB in the beginning and 245.3MB in the end (delta: 45.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:05:37,918 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.20ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 102.4MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.33ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 98.1MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.54ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 91.6MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 511.24ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 64.6MB in the end (delta: 26.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 155632.28ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 64.1MB in the beginning and 245.3MB in the end (delta: -181.2MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * Witness Printer took 2.81ms. Allocated memory is still 343.9MB. Free memory was 245.3MB in the beginning and 245.3MB in the end (delta: 45.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of someBinaryFLOATComparisonOperation at line 154, overapproximation of someBinaryFLOATComparisonOperation at line 152, overapproximation of someBinaryFLOATComparisonOperation at line 61, overapproximation of someBinaryDOUBLEComparisonOperation at line 171, overapproximation of someBinaryDOUBLEComparisonOperation at line 78, overapproximation of someBinaryDOUBLEComparisonOperation at line 140, overapproximation of someBinaryDOUBLEComparisonOperation at line 144, overapproximation of someBinaryDOUBLEComparisonOperation at line 142, overapproximation of someBinaryDOUBLEComparisonOperation at line 180, overapproximation of someBinaryDOUBLEComparisonOperation at line 85. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 1; [L23] unsigned char var_1_4 = 25; [L24] unsigned short int var_1_5 = 0; [L25] unsigned short int var_1_6 = 62100; [L26] unsigned short int var_1_7 = 27651; [L27] double var_1_8 = 128.9; [L28] double var_1_10 = 16.5; [L29] double var_1_11 = 25.5; [L30] double var_1_12 = 199.75; [L31] unsigned char var_1_13 = 2; [L32] unsigned char var_1_14 = 1; [L33] unsigned char var_1_15 = 1; [L34] unsigned char var_1_16 = 1; [L35] unsigned short int var_1_17 = 32; [L36] unsigned char var_1_18 = 1; [L37] unsigned long int var_1_19 = 1; [L38] unsigned short int var_1_20 = 25; [L39] float var_1_21 = 0.65; [L40] float var_1_22 = 7.579; [L41] unsigned short int var_1_23 = 50; [L42] signed long int var_1_24 = -25; [L43] signed short int var_1_25 = -100; [L44] signed short int var_1_26 = -256; [L45] unsigned char var_1_27 = 8; [L46] unsigned char var_1_28 = 200; [L47] unsigned char var_1_29 = 10; [L48] unsigned char var_1_30 = 0; [L49] double var_1_31 = 4.25; [L50] double var_1_32 = 2.75; [L51] unsigned short int last_1_var_1_5 = 0; [L52] unsigned char last_1_var_1_15 = 1; [L53] unsigned char last_1_var_1_18 = 1; [L54] unsigned long int last_1_var_1_19 = 1; VAL [isInitial=0, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L184] isInitial = 1 [L185] FCALL initially() [L187] CALL updateLastVariables() [L174] last_1_var_1_5 = var_1_5 [L175] last_1_var_1_15 = var_1_15 [L176] last_1_var_1_18 = var_1_18 [L177] last_1_var_1_19 = var_1_19 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L187] RET updateLastVariables() [L188] CALL updateVariables() [L129] var_1_4 = __VERIFIER_nondet_uchar() [L130] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L130] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L131] CALL assume_abort_if_not(var_1_4 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L131] RET assume_abort_if_not(var_1_4 <= 255) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L132] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L132] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L133] var_1_6 = __VERIFIER_nondet_ushort() [L134] CALL assume_abort_if_not(var_1_6 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=27651, var_1_8=1289/10] [L134] RET assume_abort_if_not(var_1_6 >= 32767) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=27651, var_1_8=1289/10] [L135] CALL assume_abort_if_not(var_1_6 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=27651, var_1_8=1289/10] [L135] RET assume_abort_if_not(var_1_6 <= 65534) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=27651, var_1_8=1289/10] [L136] var_1_7 = __VERIFIER_nondet_ushort() [L137] CALL assume_abort_if_not(var_1_7 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L137] RET assume_abort_if_not(var_1_7 >= 16383) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L138] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L138] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L139] var_1_10 = __VERIFIER_nondet_double() [L140] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L140] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L141] var_1_11 = __VERIFIER_nondet_double() [L142] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L142] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L143] var_1_12 = __VERIFIER_nondet_double() [L144] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L144] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L145] var_1_14 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L146] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L147] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L147] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L148] var_1_16 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L149] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L150] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L150] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L151] var_1_21 = __VERIFIER_nondet_float() [L152] CALL assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L152] RET assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L153] var_1_22 = __VERIFIER_nondet_float() [L154] CALL assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L154] RET assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L155] var_1_23 = __VERIFIER_nondet_ushort() [L156] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L156] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L157] CALL assume_abort_if_not(var_1_23 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L157] RET assume_abort_if_not(var_1_23 <= 65534) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L158] var_1_26 = __VERIFIER_nondet_short() [L159] CALL assume_abort_if_not(var_1_26 >= -32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L159] RET assume_abort_if_not(var_1_26 >= -32766) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L160] CALL assume_abort_if_not(var_1_26 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L160] RET assume_abort_if_not(var_1_26 <= 32766) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L161] var_1_28 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_28 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L162] RET assume_abort_if_not(var_1_28 >= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L163] CALL assume_abort_if_not(var_1_28 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L163] RET assume_abort_if_not(var_1_28 <= 255) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L164] var_1_29 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_29 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L165] RET assume_abort_if_not(var_1_29 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L166] CALL assume_abort_if_not(var_1_29 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L166] RET assume_abort_if_not(var_1_29 <= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L167] var_1_30 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L168] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L169] CALL assume_abort_if_not(var_1_30 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L169] RET assume_abort_if_not(var_1_30 <= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_32=11/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L170] var_1_32 = __VERIFIER_nondet_double() [L171] CALL assume_abort_if_not((var_1_32 >= -922337.2036854765600e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854765600e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L171] RET assume_abort_if_not((var_1_32 >= -922337.2036854765600e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854765600e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L188] RET updateVariables() [L189] CALL step() [L58] COND FALSE !(var_1_21 == var_1_22) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L61] COND TRUE ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))) > ((((128.5f) < (((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))))) ? (128.5f) : (((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))))) [L62] var_1_24 = ((((var_1_20) > (var_1_23)) ? (var_1_20) : (var_1_23))) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=26, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L64] COND FALSE !(var_1_20 > var_1_24) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=26, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L67] COND TRUE (var_1_28 - var_1_29) >= (~ var_1_23) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=26, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L68] COND TRUE \read(var_1_30) [L69] var_1_27 = var_1_29 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=26, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L72] EXPR var_1_27 ^ (~ var_1_29) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=26, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L72] COND FALSE !((var_1_27 ^ (~ var_1_29)) >= var_1_28) [L75] unsigned char stepLocal_3 = last_1_var_1_19 < var_1_6; VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_3=1, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=26, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L76] COND TRUE \read(last_1_var_1_18) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_3=1, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=26, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=1289/10] [L77] COND TRUE (! last_1_var_1_15) || stepLocal_3 [L78] var_1_8 = ((((127.25) > (var_1_10)) ? (127.25) : (var_1_10))) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=26, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=509/4] [L85] COND TRUE var_1_12 != var_1_8 [L86] var_1_15 = (! var_1_16) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=26, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=509/4] [L90] var_1_17 = var_1_4 [L91] var_1_18 = var_1_16 [L92] var_1_19 = var_1_4 [L93] unsigned short int stepLocal_1 = var_1_17; [L94] unsigned char stepLocal_0 = var_1_17 != (16 / var_1_4); VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_0=1, stepLocal_1=5, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=5, var_1_18=1, var_1_19=5, var_1_1=1, var_1_20=25, var_1_23=26, var_1_24=26, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=509/4] [L95] COND FALSE !(stepLocal_0 && var_1_15) [L106] var_1_1 = var_1_17 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=5, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=5, var_1_18=1, var_1_19=5, var_1_1=5, var_1_20=25, var_1_23=26, var_1_24=26, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=509/4] [L108] unsigned short int stepLocal_2 = var_1_17; VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=5, stepLocal_2=5, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=5, var_1_18=1, var_1_19=5, var_1_1=5, var_1_20=25, var_1_23=26, var_1_24=26, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=509/4] [L109] COND FALSE !(stepLocal_2 < last_1_var_1_5) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=5, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=5, var_1_18=1, var_1_19=5, var_1_1=5, var_1_20=25, var_1_23=26, var_1_24=26, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=5, var_1_5=0, var_1_6=32775, var_1_7=-109228, var_1_8=509/4] [L112] COND TRUE ! var_1_15 [L113] var_1_5 = ((((last_1_var_1_5) > ((var_1_7 + var_1_4))) ? (last_1_var_1_5) : ((var_1_7 + var_1_4)))) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=5, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=5, var_1_18=1, var_1_19=5, var_1_1=5, var_1_20=25, var_1_23=26, var_1_24=26, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=5, var_1_5=21849, var_1_6=32775, var_1_7=-109228, var_1_8=509/4] [L116] unsigned short int stepLocal_5 = var_1_6; [L117] unsigned short int stepLocal_4 = var_1_5; VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=5, stepLocal_4=21849, stepLocal_5=32775, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=5, var_1_18=1, var_1_19=5, var_1_1=5, var_1_20=25, var_1_23=26, var_1_24=26, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=5, var_1_5=21849, var_1_6=32775, var_1_7=-109228, var_1_8=509/4] [L118] COND TRUE stepLocal_4 != ((var_1_6 / var_1_4) * ((((var_1_5) > (var_1_19)) ? (var_1_5) : (var_1_19)))) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=5, stepLocal_5=32775, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=5, var_1_18=1, var_1_19=5, var_1_1=5, var_1_20=25, var_1_23=26, var_1_24=26, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=5, var_1_5=21849, var_1_6=32775, var_1_7=-109228, var_1_8=509/4] [L119] COND TRUE var_1_5 <= stepLocal_5 [L120] var_1_13 = 32 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=5, var_1_10=0, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=5, var_1_18=1, var_1_19=5, var_1_1=5, var_1_20=25, var_1_23=26, var_1_24=26, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=5, var_1_5=21849, var_1_6=32775, var_1_7=-109228, var_1_8=509/4] [L189] RET step() [L190] CALL, EXPR property() [L180-L181] return (((((((((var_1_17 != (16 / var_1_4)) && var_1_15) ? ((var_1_17 > var_1_4) ? (var_1_1 == ((unsigned short int) (var_1_4 + var_1_17))) : (var_1_15 ? (var_1_1 == ((unsigned short int) var_1_17)) : (var_1_1 == ((unsigned short int) var_1_4)))) : (var_1_1 == ((unsigned short int) var_1_17))) && ((var_1_17 < last_1_var_1_5) ? (var_1_5 == ((unsigned short int) (var_1_6 - (var_1_7 - last_1_var_1_5)))) : ((! var_1_15) ? (var_1_5 == ((unsigned short int) ((((last_1_var_1_5) > ((var_1_7 + var_1_4))) ? (last_1_var_1_5) : ((var_1_7 + var_1_4)))))) : 1))) && (last_1_var_1_18 ? (((! last_1_var_1_15) || (last_1_var_1_19 < var_1_6)) ? (var_1_8 == ((double) ((((127.25) > (var_1_10)) ? (127.25) : (var_1_10))))) : (var_1_8 == ((double) (var_1_11 + var_1_12)))) : (var_1_8 == ((double) var_1_11)))) && ((var_1_5 != ((var_1_6 / var_1_4) * ((((var_1_5) > (var_1_19)) ? (var_1_5) : (var_1_19))))) ? ((var_1_5 <= var_1_6) ? (var_1_13 == ((unsigned char) 32)) : (var_1_13 == ((unsigned char) var_1_14))) : (var_1_13 == ((unsigned char) var_1_14)))) && ((var_1_12 != var_1_8) ? (var_1_15 == ((unsigned char) (! var_1_16))) : (var_1_15 == ((unsigned char) var_1_16)))) && (var_1_17 == ((unsigned short int) var_1_4))) && (var_1_18 == ((unsigned char) var_1_16))) && (var_1_19 == ((unsigned long int) var_1_4)) ; VAL [\result=0, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=0, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=5, var_1_18=1, var_1_19=5, var_1_1=5, var_1_20=25, var_1_23=26, var_1_24=26, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=5, var_1_5=21849, var_1_6=32775, var_1_7=-109228, var_1_8=509/4] [L190] RET, EXPR property() [L190] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=0, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=5, var_1_18=1, var_1_19=5, var_1_1=5, var_1_20=25, var_1_23=26, var_1_24=26, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=5, var_1_5=21849, var_1_6=32775, var_1_7=-109228, var_1_8=509/4] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=0, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=5, var_1_18=1, var_1_19=5, var_1_1=5, var_1_20=25, var_1_23=26, var_1_24=26, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=5, var_1_5=21849, var_1_6=32775, var_1_7=-109228, var_1_8=509/4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 86 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 155.5s, OverallIterations: 11, TraceHistogramMax: 27, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 21.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1544 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1505 mSDsluCounter, 4538 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3264 mSDsCounter, 758 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2463 IncrementalHoareTripleChecker+Invalid, 3221 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 758 mSolverCounterUnsat, 1274 mSDtfsCounter, 2463 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1279 GetRequests, 1141 SyntacticMatches, 1 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1413 ImplicationChecksByTransitivity, 78.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1444occurred in iteration=9, InterpolantAutomatonStates: 103, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 1595 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 130.0s InterpolantComputationTime, 2832 NumberOfCodeBlocks, 2832 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2283 ConstructedInterpolants, 0 QuantifiedInterpolants, 12084 SizeOfPredicates, 21 NumberOfNonLiveVariables, 1693 ConjunctsInSsa, 88 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 17576/18252 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 12:05:38,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/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_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b8b9ffa0f086760a52bbb5b7ce872ecb50536a94abf6bed664eac71cc82e5722 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:05:39,831 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:05:39,918 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 12:05:39,924 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:05:39,925 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:05:39,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:05:39,950 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:05:39,950 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:05:39,951 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:05:39,951 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:05:39,951 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:05:39,951 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:05:39,951 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:05:39,952 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:05:39,952 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:05:39,952 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:05:39,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:05:39,952 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:05:39,952 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:05:39,952 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:05:39,952 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:05:39,952 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:05:39,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:05:39,953 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 12:05:39,953 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 12:05:39,953 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 12:05:39,953 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:05:39,953 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:05:39,953 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:05:39,953 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:05:39,953 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:05:39,953 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:05:39,953 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:05:39,954 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:05:39,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:05:39,954 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:05:39,954 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:05:39,954 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:05:39,954 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:05:39,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:05:39,955 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:05:39,955 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:05:39,955 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:05:39,955 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:05:39,955 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 12:05:39,955 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 12:05:39,955 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:05:39,955 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:05:39,955 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:05:39,955 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:05:39,955 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_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8b9ffa0f086760a52bbb5b7ce872ecb50536a94abf6bed664eac71cc82e5722 [2024-12-02 12:05:40,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:05:40,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:05:40,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:05:40,229 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:05:40,229 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:05:40,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.i [2024-12-02 12:05:42,949 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/data/950a9ca32/238d33df1c2042978706b96bc687b095/FLAGa76274c44 [2024-12-02 12:05:43,139 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:05:43,140 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.i [2024-12-02 12:05:43,149 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/data/950a9ca32/238d33df1c2042978706b96bc687b095/FLAGa76274c44 [2024-12-02 12:05:43,497 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/data/950a9ca32/238d33df1c2042978706b96bc687b095 [2024-12-02 12:05:43,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:05:43,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:05:43,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:05:43,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:05:43,504 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:05:43,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:05:43" (1/1) ... [2024-12-02 12:05:43,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47a7a6f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:43, skipping insertion in model container [2024-12-02 12:05:43,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:05:43" (1/1) ... [2024-12-02 12:05:43,523 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:05:43,640 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_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.i[915,928] [2024-12-02 12:05:43,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:05:43,704 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:05:43,711 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_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.i[915,928] [2024-12-02 12:05:43,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:05:43,754 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:05:43,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:43 WrapperNode [2024-12-02 12:05:43,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:05:43,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:05:43,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:05:43,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:05:43,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:43" (1/1) ... [2024-12-02 12:05:43,773 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:43" (1/1) ... [2024-12-02 12:05:43,799 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 189 [2024-12-02 12:05:43,799 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:05:43,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:05:43,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:05:43,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:05:43,806 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:43" (1/1) ... [2024-12-02 12:05:43,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:43" (1/1) ... [2024-12-02 12:05:43,810 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:43" (1/1) ... [2024-12-02 12:05:43,819 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 12:05:43,819 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:43" (1/1) ... [2024-12-02 12:05:43,819 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:43" (1/1) ... [2024-12-02 12:05:43,828 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:43" (1/1) ... [2024-12-02 12:05:43,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:43" (1/1) ... [2024-12-02 12:05:43,832 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:43" (1/1) ... [2024-12-02 12:05:43,835 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:43" (1/1) ... [2024-12-02 12:05:43,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:43" (1/1) ... [2024-12-02 12:05:43,839 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:05:43,840 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:05:43,840 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:05:43,841 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:05:43,842 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:43" (1/1) ... [2024-12-02 12:05:43,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:05:43,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:05:43,869 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:05:43,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:05:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:05:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 12:05:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 12:05:43,897 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 12:05:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:05:43,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:05:43,971 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:05:43,973 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:05:44,660 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-12-02 12:05:44,660 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:05:44,668 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:05:44,668 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 12:05:44,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:05:44 BoogieIcfgContainer [2024-12-02 12:05:44,668 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:05:44,671 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:05:44,671 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:05:44,676 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:05:44,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:05:43" (1/3) ... [2024-12-02 12:05:44,676 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1edc2a59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:05:44, skipping insertion in model container [2024-12-02 12:05:44,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:43" (2/3) ... [2024-12-02 12:05:44,677 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1edc2a59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:05:44, skipping insertion in model container [2024-12-02 12:05:44,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:05:44" (3/3) ... [2024-12-02 12:05:44,678 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-59.i [2024-12-02 12:05:44,693 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:05:44,695 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-59.i that has 2 procedures, 82 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 12:05:44,739 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:05:44,748 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;@69f5c663, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:05:44,748 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 12:05:44,752 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 53 states have internal predecessors, (73), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 12:05:44,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-12-02 12:05:44,765 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:05:44,765 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:05:44,766 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:05:44,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:05:44,770 INFO L85 PathProgramCache]: Analyzing trace with hash -736216076, now seen corresponding path program 1 times [2024-12-02 12:05:44,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:05:44,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [212552608] [2024-12-02 12:05:44,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:44,781 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:05:44,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:05:44,782 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:05:44,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 12:05:45,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:05:45,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 12:05:45,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:05:45,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 584 proven. 0 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2024-12-02 12:05:45,186 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:05:45,186 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:05:45,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [212552608] [2024-12-02 12:05:45,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [212552608] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:05:45,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:05:45,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:05:45,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412228657] [2024-12-02 12:05:45,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:05:45,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 12:05:45,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:05:45,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 12:05:45,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:05:45,210 INFO L87 Difference]: Start difference. First operand has 82 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 53 states have internal predecessors, (73), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 12:05:45,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:05:45,236 INFO L93 Difference]: Finished difference Result 157 states and 275 transitions. [2024-12-02 12:05:45,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 12:05:45,237 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 174 [2024-12-02 12:05:45,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:05:45,243 INFO L225 Difference]: With dead ends: 157 [2024-12-02 12:05:45,243 INFO L226 Difference]: Without dead ends: 78 [2024-12-02 12:05:45,246 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:05:45,248 INFO L435 NwaCegarLoop]: 119 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, 119 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:05:45,249 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:05:45,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-12-02 12:05:45,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-12-02 12:05:45,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 49 states have internal predecessors, (65), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 12:05:45,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 119 transitions. [2024-12-02 12:05:45,293 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 119 transitions. Word has length 174 [2024-12-02 12:05:45,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:05:45,294 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 119 transitions. [2024-12-02 12:05:45,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 12:05:45,294 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 119 transitions. [2024-12-02 12:05:45,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-12-02 12:05:45,298 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:05:45,298 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:05:45,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 12:05:45,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:05:45,499 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:05:45,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:05:45,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1693631740, now seen corresponding path program 1 times [2024-12-02 12:05:45,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:05:45,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1435799643] [2024-12-02 12:05:45,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:45,501 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:05:45,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:05:45,503 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:05:45,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 12:05:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:05:45,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 12:05:45,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:05:46,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 582 proven. 24 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2024-12-02 12:05:46,250 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:05:46,344 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:05:46,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1435799643] [2024-12-02 12:05:46,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1435799643] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:05:46,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [260043651] [2024-12-02 12:05:46,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:46,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 12:05:46,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 12:05:46,347 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 12:05:46,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-02 12:05:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:05:46,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 12:05:46,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:05:47,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-12-02 12:05:47,446 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:05:47,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [260043651] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:05:47,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:05:47,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2024-12-02 12:05:47,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780193859] [2024-12-02 12:05:47,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:05:47,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:05:47,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:05:47,450 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:05:47,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-12-02 12:05:47,450 INFO L87 Difference]: Start difference. First operand 78 states and 119 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-12-02 12:05:48,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:05:48,261 INFO L93 Difference]: Finished difference Result 229 states and 352 transitions. [2024-12-02 12:05:48,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:05:48,271 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-12-02 12:05:48,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:05:48,274 INFO L225 Difference]: With dead ends: 229 [2024-12-02 12:05:48,274 INFO L226 Difference]: Without dead ends: 154 [2024-12-02 12:05:48,274 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-12-02 12:05:48,275 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 72 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:05:48,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 333 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 12:05:48,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-12-02 12:05:48,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 135. [2024-12-02 12:05:48,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 78 states have (on average 1.2692307692307692) internal successors, (99), 78 states have internal predecessors, (99), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-12-02 12:05:48,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 207 transitions. [2024-12-02 12:05:48,314 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 207 transitions. Word has length 174 [2024-12-02 12:05:48,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:05:48,315 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 207 transitions. [2024-12-02 12:05:48,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-12-02 12:05:48,315 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 207 transitions. [2024-12-02 12:05:48,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-12-02 12:05:48,319 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:05:48,319 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:05:48,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-02 12:05:48,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-02 12:05:48,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 12:05:48,720 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:05:48,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:05:48,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1289475940, now seen corresponding path program 1 times [2024-12-02 12:05:48,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:05:48,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [138512156] [2024-12-02 12:05:48,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:48,722 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:05:48,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:05:48,723 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:05:48,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-12-02 12:05:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:05:49,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 12:05:49,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:05:49,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 582 proven. 24 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2024-12-02 12:05:49,402 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:05:49,485 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:05:49,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [138512156] [2024-12-02 12:05:49,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [138512156] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:05:49,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1866271091] [2024-12-02 12:05:49,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:49,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 12:05:49,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 12:05:49,488 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 12:05:49,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-02 12:05:50,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:05:50,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 12:05:50,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:05:50,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-12-02 12:05:50,939 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:05:50,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1866271091] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:05:50,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:05:50,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2024-12-02 12:05:50,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593144070] [2024-12-02 12:05:50,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:05:50,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:05:50,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:05:50,941 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:05:50,941 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-12-02 12:05:50,942 INFO L87 Difference]: Start difference. First operand 135 states and 207 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-12-02 12:05:52,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:05:52,162 INFO L93 Difference]: Finished difference Result 295 states and 451 transitions. [2024-12-02 12:05:52,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:05:52,170 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-12-02 12:05:52,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:05:52,173 INFO L225 Difference]: With dead ends: 295 [2024-12-02 12:05:52,173 INFO L226 Difference]: Without dead ends: 220 [2024-12-02 12:05:52,174 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-12-02 12:05:52,174 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 89 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:05:52,175 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 339 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 12:05:52,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-12-02 12:05:52,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 208. [2024-12-02 12:05:52,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 123 states have (on average 1.2845528455284554) internal successors, (158), 123 states have internal predecessors, (158), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-12-02 12:05:52,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 320 transitions. [2024-12-02 12:05:52,211 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 320 transitions. Word has length 175 [2024-12-02 12:05:52,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:05:52,212 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 320 transitions. [2024-12-02 12:05:52,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-12-02 12:05:52,212 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 320 transitions. [2024-12-02 12:05:52,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-12-02 12:05:52,215 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:05:52,215 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:05:52,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-02 12:05:52,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-12-02 12:05:52,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:05:52,616 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:05:52,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:05:52,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1700272595, now seen corresponding path program 1 times [2024-12-02 12:05:52,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:05:52,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2019240092] [2024-12-02 12:05:52,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:52,617 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:05:52,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:05:52,618 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:05:52,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-12-02 12:05:52,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:05:52,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 12:05:52,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:05:53,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 582 proven. 24 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2024-12-02 12:05:53,170 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:05:53,241 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:05:53,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2019240092] [2024-12-02 12:05:53,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2019240092] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:05:53,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [532166462] [2024-12-02 12:05:53,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:53,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 12:05:53,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 12:05:53,244 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 12:05:53,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-02 12:05:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:05:54,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 12:05:54,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:05:54,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 722 proven. 42 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2024-12-02 12:05:54,616 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:05:54,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 36 proven. 42 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2024-12-02 12:05:54,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [532166462] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:05:54,990 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:05:54,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 12 [2024-12-02 12:05:54,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018551555] [2024-12-02 12:05:54,990 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:05:54,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 12:05:54,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:05:54,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 12:05:54,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-12-02 12:05:54,993 INFO L87 Difference]: Start difference. First operand 208 states and 320 transitions. Second operand has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 4 states have call successors, (55), 4 states have call predecessors, (55), 7 states have return successors, (57), 4 states have call predecessors, (57), 4 states have call successors, (57) [2024-12-02 12:05:57,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:05:57,001 INFO L93 Difference]: Finished difference Result 501 states and 723 transitions. [2024-12-02 12:05:57,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-02 12:05:57,002 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 4 states have call successors, (55), 4 states have call predecessors, (55), 7 states have return successors, (57), 4 states have call predecessors, (57), 4 states have call successors, (57) Word has length 176 [2024-12-02 12:05:57,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:05:57,005 INFO L225 Difference]: With dead ends: 501 [2024-12-02 12:05:57,005 INFO L226 Difference]: Without dead ends: 350 [2024-12-02 12:05:57,007 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 577 GetRequests, 539 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=385, Invalid=1097, Unknown=0, NotChecked=0, Total=1482 [2024-12-02 12:05:57,007 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 394 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 292 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 292 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:05:57,008 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 342 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [292 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 12:05:57,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-12-02 12:05:57,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 254. [2024-12-02 12:05:57,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 160 states have (on average 1.20625) internal successors, (193), 160 states have internal predecessors, (193), 81 states have call successors, (81), 12 states have call predecessors, (81), 12 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-12-02 12:05:57,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 355 transitions. [2024-12-02 12:05:57,038 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 355 transitions. Word has length 176 [2024-12-02 12:05:57,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:05:57,039 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 355 transitions. [2024-12-02 12:05:57,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 4 states have call successors, (55), 4 states have call predecessors, (55), 7 states have return successors, (57), 4 states have call predecessors, (57), 4 states have call successors, (57) [2024-12-02 12:05:57,039 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 355 transitions. [2024-12-02 12:05:57,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-12-02 12:05:57,041 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:05:57,042 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:05:57,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-02 12:05:57,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-12-02 12:05:57,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:05:57,443 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:05:57,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:05:57,443 INFO L85 PathProgramCache]: Analyzing trace with hash -2002865434, now seen corresponding path program 1 times [2024-12-02 12:05:57,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:05:57,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1528406746] [2024-12-02 12:05:57,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:57,444 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:05:57,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:05:57,446 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:05:57,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-12-02 12:05:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:05:57,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 12:05:57,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:06:01,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 762 proven. 204 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-12-02 12:06:01,818 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:06:35,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 75 proven. 150 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2024-12-02 12:06:35,762 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:06:35,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1528406746] [2024-12-02 12:06:35,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1528406746] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:06:35,762 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:06:35,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 15] total 32 [2024-12-02 12:06:35,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361402996] [2024-12-02 12:06:35,762 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:06:35,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-12-02 12:06:35,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:06:35,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-12-02 12:06:35,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=714, Unknown=0, NotChecked=0, Total=992 [2024-12-02 12:06:35,765 INFO L87 Difference]: Start difference. First operand 254 states and 355 transitions. Second operand has 32 states, 31 states have (on average 3.6451612903225805) internal successors, (113), 30 states have internal predecessors, (113), 9 states have call successors, (54), 6 states have call predecessors, (54), 11 states have return successors, (54), 9 states have call predecessors, (54), 9 states have call successors, (54) [2024-12-02 12:07:24,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:07:24,418 INFO L93 Difference]: Finished difference Result 575 states and 751 transitions. [2024-12-02 12:07:24,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-12-02 12:07:24,430 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 3.6451612903225805) internal successors, (113), 30 states have internal predecessors, (113), 9 states have call successors, (54), 6 states have call predecessors, (54), 11 states have return successors, (54), 9 states have call predecessors, (54), 9 states have call successors, (54) Word has length 177 [2024-12-02 12:07:24,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:07:24,432 INFO L225 Difference]: With dead ends: 575 [2024-12-02 12:07:24,432 INFO L226 Difference]: Without dead ends: 393 [2024-12-02 12:07:24,434 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1660 ImplicationChecksByTransitivity, 36.6s TimeCoverageRelationStatistics Valid=1349, Invalid=3207, Unknown=0, NotChecked=0, Total=4556 [2024-12-02 12:07:24,434 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 419 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 1295 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 1446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 1295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.9s IncrementalHoareTripleChecker+Time [2024-12-02 12:07:24,435 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 717 Invalid, 1446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 1295 Invalid, 0 Unknown, 0 Unchecked, 25.9s Time] [2024-12-02 12:07:24,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-12-02 12:07:24,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 299. [2024-12-02 12:07:24,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 195 states have (on average 1.1692307692307693) internal successors, (228), 195 states have internal predecessors, (228), 81 states have call successors, (81), 22 states have call predecessors, (81), 22 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-12-02 12:07:24,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 390 transitions. [2024-12-02 12:07:24,476 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 390 transitions. Word has length 177 [2024-12-02 12:07:24,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:07:24,476 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 390 transitions. [2024-12-02 12:07:24,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 3.6451612903225805) internal successors, (113), 30 states have internal predecessors, (113), 9 states have call successors, (54), 6 states have call predecessors, (54), 11 states have return successors, (54), 9 states have call predecessors, (54), 9 states have call successors, (54) [2024-12-02 12:07:24,477 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 390 transitions. [2024-12-02 12:07:24,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-12-02 12:07:24,478 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:07:24,478 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:07:24,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2024-12-02 12:07:24,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:07:24,678 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:07:24,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:07:24,679 INFO L85 PathProgramCache]: Analyzing trace with hash 258929062, now seen corresponding path program 1 times [2024-12-02 12:07:24,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:07:24,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1365332043] [2024-12-02 12:07:24,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:07:24,679 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:07:24,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:07:24,681 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:07:24,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-12-02 12:07:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:07:24,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 12:07:24,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:07:29,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 391 proven. 246 refuted. 0 times theorem prover too weak. 767 trivial. 0 not checked. [2024-12-02 12:07:29,379 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:08:44,507 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:08:44,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1365332043] [2024-12-02 12:08:44,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1365332043] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:08:44,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1941967823] [2024-12-02 12:08:44,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:08:44,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 12:08:44,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 12:08:44,509 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 12:08:44,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-02 12:08:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:08:45,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 12:08:45,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:08:47,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-12-02 12:08:47,898 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:08:47,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1941967823] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:08:47,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:08:47,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 20 [2024-12-02 12:08:47,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947953339] [2024-12-02 12:08:47,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:08:47,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:08:47,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:08:47,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:08:47,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=640, Unknown=0, NotChecked=0, Total=812 [2024-12-02 12:08:47,899 INFO L87 Difference]: Start difference. First operand 299 states and 390 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-12-02 12:08:48,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:08:48,467 INFO L93 Difference]: Finished difference Result 950 states and 1251 transitions. [2024-12-02 12:08:48,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:08:48,468 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-12-02 12:08:48,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:08:48,472 INFO L225 Difference]: With dead ends: 950 [2024-12-02 12:08:48,472 INFO L226 Difference]: Without dead ends: 734 [2024-12-02 12:08:48,473 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 493 GetRequests, 466 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 36.4s TimeCoverageRelationStatistics Valid=172, Invalid=640, Unknown=0, NotChecked=0, Total=812 [2024-12-02 12:08:48,474 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 147 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 12:08:48,474 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 362 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 12:08:48,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2024-12-02 12:08:48,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 730. [2024-12-02 12:08:48,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 730 states, 490 states have (on average 1.189795918367347) internal successors, (583), 490 states have internal predecessors, (583), 189 states have call successors, (189), 50 states have call predecessors, (189), 50 states have return successors, (189), 189 states have call predecessors, (189), 189 states have call successors, (189) [2024-12-02 12:08:48,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 961 transitions. [2024-12-02 12:08:48,577 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 961 transitions. Word has length 177 [2024-12-02 12:08:48,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:08:48,577 INFO L471 AbstractCegarLoop]: Abstraction has 730 states and 961 transitions. [2024-12-02 12:08:48,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-12-02 12:08:48,577 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 961 transitions. [2024-12-02 12:08:48,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-12-02 12:08:48,579 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:08:48,579 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:08:48,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-02 12:08:48,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-12-02 12:08:48,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:08:48,980 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:08:48,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:08:48,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1430014680, now seen corresponding path program 1 times [2024-12-02 12:08:48,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:08:48,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1715723716] [2024-12-02 12:08:48,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:08:48,981 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:08:48,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:08:48,983 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:08:48,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-12-02 12:08:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:08:49,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 12:08:49,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:08:55,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 391 proven. 246 refuted. 0 times theorem prover too weak. 767 trivial. 0 not checked. [2024-12-02 12:08:55,299 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:10:22,487 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:10:22,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1715723716] [2024-12-02 12:10:22,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1715723716] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:10:22,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1197554585] [2024-12-02 12:10:22,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:10:22,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 12:10:22,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 12:10:22,489 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 12:10:22,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07410a6-9aee-4a5f-9166-7aca3b2a58f1/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-02 12:10:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:10:24,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-02 12:10:24,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:11:28,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 422 proven. 291 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2024-12-02 12:11:28,240 INFO L312 TraceCheckSpWp]: Computing backward predicates...