./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-63.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_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/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_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/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_e5b9dfd3-c005-4404-b9d7-ffce15c29577/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 0b36356817ea264db31a3e9ba1b92ddfdfece23d12079947455c2435bf39a20c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:52:41,023 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:52:41,079 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 10:52:41,084 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:52:41,084 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:52:41,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:52:41,105 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:52:41,105 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:52:41,106 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:52:41,106 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:52:41,106 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:52:41,106 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:52:41,106 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:52:41,107 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:52:41,107 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:52:41,107 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:52:41,107 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:52:41,107 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:52:41,107 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:52:41,107 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:52:41,107 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:52:41,107 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:52:41,107 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:52:41,107 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:52:41,108 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:52:41,108 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:52:41,108 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:52:41,108 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:52:41,108 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:52:41,108 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:52:41,108 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:52:41,108 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:52:41,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:52:41,108 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:52:41,108 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:52:41,108 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:52:41,109 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:52:41,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:52:41,109 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:52:41,109 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:52:41,109 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:52:41,109 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:52:41,109 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 10:52:41,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 10:52:41,109 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:52:41,109 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:52:41,109 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:52:41,109 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:52:41,110 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_e5b9dfd3-c005-4404-b9d7-ffce15c29577/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 -> 0b36356817ea264db31a3e9ba1b92ddfdfece23d12079947455c2435bf39a20c [2024-12-02 10:52:41,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:52:41,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:52:41,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:52:41,372 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:52:41,372 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:52:41,373 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-63.i [2024-12-02 10:52:44,081 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/data/c6d3a8d85/dfd1106065f541d7a610445d7032bc75/FLAG6c2f60be9 [2024-12-02 10:52:44,268 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:52:44,269 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-63.i [2024-12-02 10:52:44,277 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/data/c6d3a8d85/dfd1106065f541d7a610445d7032bc75/FLAG6c2f60be9 [2024-12-02 10:52:44,291 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/data/c6d3a8d85/dfd1106065f541d7a610445d7032bc75 [2024-12-02 10:52:44,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:52:44,295 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:52:44,296 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:52:44,296 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:52:44,299 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:52:44,300 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:52:44" (1/1) ... [2024-12-02 10:52:44,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1371c976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:44, skipping insertion in model container [2024-12-02 10:52:44,301 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:52:44" (1/1) ... [2024-12-02 10:52:44,322 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:52:44,444 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_e5b9dfd3-c005-4404-b9d7-ffce15c29577/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-63.i[919,932] [2024-12-02 10:52:44,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:52:44,536 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:52:44,545 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_e5b9dfd3-c005-4404-b9d7-ffce15c29577/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-63.i[919,932] [2024-12-02 10:52:44,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:52:44,602 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:52:44,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:44 WrapperNode [2024-12-02 10:52:44,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:52:44,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:52:44,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:52:44,604 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:52:44,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:44" (1/1) ... [2024-12-02 10:52:44,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:44" (1/1) ... [2024-12-02 10:52:44,661 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 284 [2024-12-02 10:52:44,661 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:52:44,662 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:52:44,662 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:52:44,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:52:44,671 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:44" (1/1) ... [2024-12-02 10:52:44,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:44" (1/1) ... [2024-12-02 10:52:44,675 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:44" (1/1) ... [2024-12-02 10:52:44,694 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 10:52:44,695 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:44" (1/1) ... [2024-12-02 10:52:44,695 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:44" (1/1) ... [2024-12-02 10:52:44,707 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:44" (1/1) ... [2024-12-02 10:52:44,709 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:44" (1/1) ... [2024-12-02 10:52:44,713 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:44" (1/1) ... [2024-12-02 10:52:44,716 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:44" (1/1) ... [2024-12-02 10:52:44,718 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:44" (1/1) ... [2024-12-02 10:52:44,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:52:44,723 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:52:44,723 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:52:44,723 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:52:44,724 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:44" (1/1) ... [2024-12-02 10:52:44,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:52:44,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:52:44,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:52:44,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:52:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:52:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 10:52:44,774 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 10:52:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 10:52:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:52:44,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:52:44,852 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:52:44,854 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:52:45,296 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-12-02 10:52:45,296 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:52:45,307 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:52:45,307 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 10:52:45,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:52:45 BoogieIcfgContainer [2024-12-02 10:52:45,308 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:52:45,310 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:52:45,310 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:52:45,315 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:52:45,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:52:44" (1/3) ... [2024-12-02 10:52:45,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@172911af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:52:45, skipping insertion in model container [2024-12-02 10:52:45,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:44" (2/3) ... [2024-12-02 10:52:45,316 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@172911af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:52:45, skipping insertion in model container [2024-12-02 10:52:45,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:52:45" (3/3) ... [2024-12-02 10:52:45,317 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-63.i [2024-12-02 10:52:45,333 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:52:45,335 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-63.i that has 2 procedures, 116 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 10:52:45,392 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:52:45,405 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;@34bbbd4c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:52:45,405 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:52:45,409 INFO L276 IsEmpty]: Start isEmpty. Operand has 116 states, 81 states have (on average 1.4320987654320987) internal successors, (116), 82 states have internal predecessors, (116), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-12-02 10:52:45,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-12-02 10:52:45,424 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:52:45,425 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:52:45,425 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:52:45,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:52:45,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1206602897, now seen corresponding path program 1 times [2024-12-02 10:52:45,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:52:45,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293669514] [2024-12-02 10:52:45,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:45,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:52:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:52:45,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 1922 trivial. 0 not checked. [2024-12-02 10:52:45,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:52:45,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293669514] [2024-12-02 10:52:45,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293669514] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:52:45,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548580650] [2024-12-02 10:52:45,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:45,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:52:45,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:52:45,744 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:52:45,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 10:52:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:52:45,936 INFO L256 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 10:52:45,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:52:45,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 1922 trivial. 0 not checked. [2024-12-02 10:52:45,975 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:52:45,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548580650] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:52:45,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:52:45,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 10:52:45,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348078802] [2024-12-02 10:52:45,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:52:45,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 10:52:45,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:52:46,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 10:52:46,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:52:46,022 INFO L87 Difference]: Start difference. First operand has 116 states, 81 states have (on average 1.4320987654320987) internal successors, (116), 82 states have internal predecessors, (116), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 10:52:46,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:52:46,050 INFO L93 Difference]: Finished difference Result 225 states and 386 transitions. [2024-12-02 10:52:46,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 10:52:46,051 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) Word has length 216 [2024-12-02 10:52:46,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:52:46,057 INFO L225 Difference]: With dead ends: 225 [2024-12-02 10:52:46,058 INFO L226 Difference]: Without dead ends: 112 [2024-12-02 10:52:46,061 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 217 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 10:52:46,064 INFO L435 NwaCegarLoop]: 173 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, 173 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 10:52:46,065 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:52:46,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-12-02 10:52:46,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-12-02 10:52:46,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 78 states have internal predecessors, (109), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-12-02 10:52:46,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 173 transitions. [2024-12-02 10:52:46,106 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 173 transitions. Word has length 216 [2024-12-02 10:52:46,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:52:46,107 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 173 transitions. [2024-12-02 10:52:46,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 10:52:46,107 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 173 transitions. [2024-12-02 10:52:46,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-12-02 10:52:46,110 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:52:46,110 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:52:46,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 10:52:46,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 10:52:46,311 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:52:46,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:52:46,311 INFO L85 PathProgramCache]: Analyzing trace with hash -259858405, now seen corresponding path program 1 times [2024-12-02 10:52:46,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:52:46,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921955277] [2024-12-02 10:52:46,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:46,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:52:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:52:46,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 10:52:46,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:52:46,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921955277] [2024-12-02 10:52:46,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921955277] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:52:46,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:52:46,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:52:46,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006462111] [2024-12-02 10:52:46,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:52:46,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:52:46,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:52:46,588 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:52:46,588 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:52:46,588 INFO L87 Difference]: Start difference. First operand 112 states and 173 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:46,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:52:46,667 INFO L93 Difference]: Finished difference Result 312 states and 489 transitions. [2024-12-02 10:52:46,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:52:46,668 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 216 [2024-12-02 10:52:46,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:52:46,671 INFO L225 Difference]: With dead ends: 312 [2024-12-02 10:52:46,671 INFO L226 Difference]: Without dead ends: 203 [2024-12-02 10:52:46,672 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 10:52:46,673 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 87 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:52:46,674 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 322 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:52:46,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-12-02 10:52:46,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 172. [2024-12-02 10:52:46,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 105 states have (on average 1.2952380952380953) internal successors, (136), 105 states have internal predecessors, (136), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 10:52:46,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 264 transitions. [2024-12-02 10:52:46,707 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 264 transitions. Word has length 216 [2024-12-02 10:52:46,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:52:46,708 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 264 transitions. [2024-12-02 10:52:46,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:46,709 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 264 transitions. [2024-12-02 10:52:46,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-12-02 10:52:46,719 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:52:46,720 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:52:46,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 10:52:46,720 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:52:46,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:52:46,721 INFO L85 PathProgramCache]: Analyzing trace with hash -364039194, now seen corresponding path program 1 times [2024-12-02 10:52:46,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:52:46,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271320430] [2024-12-02 10:52:46,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:46,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:52:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:52:46,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 10:52:46,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:52:46,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271320430] [2024-12-02 10:52:46,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271320430] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:52:46,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:52:46,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:52:46,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900488109] [2024-12-02 10:52:46,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:52:46,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:52:46,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:52:46,861 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:52:46,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:52:46,862 INFO L87 Difference]: Start difference. First operand 172 states and 264 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:46,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:52:46,914 INFO L93 Difference]: Finished difference Result 311 states and 477 transitions. [2024-12-02 10:52:46,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:52:46,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 217 [2024-12-02 10:52:46,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:52:46,918 INFO L225 Difference]: With dead ends: 311 [2024-12-02 10:52:46,918 INFO L226 Difference]: Without dead ends: 202 [2024-12-02 10:52:46,919 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 10:52:46,920 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 33 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:52:46,920 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 347 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:52:46,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-12-02 10:52:46,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 185. [2024-12-02 10:52:46,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 118 states have (on average 1.3135593220338984) internal successors, (155), 118 states have internal predecessors, (155), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 10:52:46,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 283 transitions. [2024-12-02 10:52:46,946 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 283 transitions. Word has length 217 [2024-12-02 10:52:46,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:52:46,947 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 283 transitions. [2024-12-02 10:52:46,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:46,947 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 283 transitions. [2024-12-02 10:52:46,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-12-02 10:52:46,950 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:52:46,950 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:52:46,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 10:52:46,951 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:52:46,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:52:46,951 INFO L85 PathProgramCache]: Analyzing trace with hash 348435494, now seen corresponding path program 1 times [2024-12-02 10:52:46,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:52:46,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375514524] [2024-12-02 10:52:46,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:46,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:52:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:52:47,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 10:52:47,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:52:47,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375514524] [2024-12-02 10:52:47,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375514524] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:52:47,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:52:47,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 10:52:47,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747224088] [2024-12-02 10:52:47,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:52:47,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 10:52:47,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:52:47,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 10:52:47,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 10:52:47,200 INFO L87 Difference]: Start difference. First operand 185 states and 283 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:47,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:52:47,436 INFO L93 Difference]: Finished difference Result 384 states and 603 transitions. [2024-12-02 10:52:47,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 10:52:47,437 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 217 [2024-12-02 10:52:47,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:52:47,439 INFO L225 Difference]: With dead ends: 384 [2024-12-02 10:52:47,440 INFO L226 Difference]: Without dead ends: 262 [2024-12-02 10:52:47,440 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 10:52:47,441 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 160 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:52:47,441 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 378 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:52:47,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-12-02 10:52:47,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 193. [2024-12-02 10:52:47,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 126 states have (on average 1.3412698412698412) internal successors, (169), 126 states have internal predecessors, (169), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 10:52:47,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 297 transitions. [2024-12-02 10:52:47,470 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 297 transitions. Word has length 217 [2024-12-02 10:52:47,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:52:47,470 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 297 transitions. [2024-12-02 10:52:47,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:47,471 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 297 transitions. [2024-12-02 10:52:47,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-12-02 10:52:47,474 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:52:47,474 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:52:47,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 10:52:47,474 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:52:47,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:52:47,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1204358622, now seen corresponding path program 1 times [2024-12-02 10:52:47,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:52:47,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255826829] [2024-12-02 10:52:47,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:47,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:52:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:52:47,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 10:52:47,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:52:47,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255826829] [2024-12-02 10:52:47,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255826829] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:52:47,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:52:47,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:52:47,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916886948] [2024-12-02 10:52:47,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:52:47,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:52:47,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:52:47,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:52:47,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:52:47,809 INFO L87 Difference]: Start difference. First operand 193 states and 297 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:48,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:52:48,130 INFO L93 Difference]: Finished difference Result 337 states and 524 transitions. [2024-12-02 10:52:48,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:52:48,130 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 217 [2024-12-02 10:52:48,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:52:48,133 INFO L225 Difference]: With dead ends: 337 [2024-12-02 10:52:48,133 INFO L226 Difference]: Without dead ends: 212 [2024-12-02 10:52:48,134 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:52:48,135 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 80 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 10:52:48,135 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 527 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 10:52:48,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-12-02 10:52:48,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 194. [2024-12-02 10:52:48,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 127 states have (on average 1.3385826771653544) internal successors, (170), 127 states have internal predecessors, (170), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 10:52:48,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 298 transitions. [2024-12-02 10:52:48,159 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 298 transitions. Word has length 217 [2024-12-02 10:52:48,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:52:48,159 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 298 transitions. [2024-12-02 10:52:48,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:48,160 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 298 transitions. [2024-12-02 10:52:48,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-12-02 10:52:48,163 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:52:48,163 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:52:48,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 10:52:48,163 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:52:48,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:52:48,164 INFO L85 PathProgramCache]: Analyzing trace with hash 694885532, now seen corresponding path program 1 times [2024-12-02 10:52:48,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:52:48,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440387584] [2024-12-02 10:52:48,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:48,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:52:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:52:48,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 10:52:48,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:52:48,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440387584] [2024-12-02 10:52:48,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440387584] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:52:48,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:52:48,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:52:48,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390324360] [2024-12-02 10:52:48,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:52:48,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:52:48,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:52:48,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:52:48,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:52:48,471 INFO L87 Difference]: Start difference. First operand 194 states and 298 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:48,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:52:48,549 INFO L93 Difference]: Finished difference Result 339 states and 525 transitions. [2024-12-02 10:52:48,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:52:48,550 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 217 [2024-12-02 10:52:48,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:52:48,552 INFO L225 Difference]: With dead ends: 339 [2024-12-02 10:52:48,552 INFO L226 Difference]: Without dead ends: 209 [2024-12-02 10:52:48,553 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 10:52:48,553 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 71 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:52:48,554 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 309 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:52:48,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-12-02 10:52:48,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 186. [2024-12-02 10:52:48,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 119 states have (on average 1.3109243697478992) internal successors, (156), 119 states have internal predecessors, (156), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 10:52:48,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 284 transitions. [2024-12-02 10:52:48,578 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 284 transitions. Word has length 217 [2024-12-02 10:52:48,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:52:48,579 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 284 transitions. [2024-12-02 10:52:48,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:48,579 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 284 transitions. [2024-12-02 10:52:48,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-12-02 10:52:48,582 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:52:48,582 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:52:48,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 10:52:48,582 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:52:48,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:52:48,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1470378966, now seen corresponding path program 1 times [2024-12-02 10:52:48,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:52:48,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748971405] [2024-12-02 10:52:48,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:48,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:52:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:52:48,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 10:52:48,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:52:48,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748971405] [2024-12-02 10:52:48,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748971405] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:52:48,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:52:48,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:52:48,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761404467] [2024-12-02 10:52:48,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:52:48,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:52:48,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:52:48,927 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:52:48,927 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:52:48,927 INFO L87 Difference]: Start difference. First operand 186 states and 284 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:49,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:52:49,172 INFO L93 Difference]: Finished difference Result 331 states and 513 transitions. [2024-12-02 10:52:49,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:52:49,172 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 218 [2024-12-02 10:52:49,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:52:49,174 INFO L225 Difference]: With dead ends: 331 [2024-12-02 10:52:49,174 INFO L226 Difference]: Without dead ends: 209 [2024-12-02 10:52:49,175 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:52:49,176 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 71 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:52:49,176 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 527 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:52:49,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-12-02 10:52:49,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 195. [2024-12-02 10:52:49,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 128 states have (on average 1.3203125) internal successors, (169), 128 states have internal predecessors, (169), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 10:52:49,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 297 transitions. [2024-12-02 10:52:49,218 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 297 transitions. Word has length 218 [2024-12-02 10:52:49,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:52:49,218 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 297 transitions. [2024-12-02 10:52:49,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:49,219 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 297 transitions. [2024-12-02 10:52:49,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-12-02 10:52:49,222 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:52:49,222 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:52:49,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 10:52:49,222 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:52:49,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:52:49,223 INFO L85 PathProgramCache]: Analyzing trace with hash 960905876, now seen corresponding path program 1 times [2024-12-02 10:52:49,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:52:49,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929916642] [2024-12-02 10:52:49,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:49,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:52:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:52:49,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 10:52:49,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:52:49,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929916642] [2024-12-02 10:52:49,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929916642] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:52:49,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:52:49,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:52:49,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380834] [2024-12-02 10:52:49,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:52:49,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:52:49,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:52:49,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:52:49,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:52:49,545 INFO L87 Difference]: Start difference. First operand 195 states and 297 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:49,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:52:49,627 INFO L93 Difference]: Finished difference Result 330 states and 508 transitions. [2024-12-02 10:52:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:52:49,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 218 [2024-12-02 10:52:49,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:52:49,630 INFO L225 Difference]: With dead ends: 330 [2024-12-02 10:52:49,630 INFO L226 Difference]: Without dead ends: 205 [2024-12-02 10:52:49,630 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 10:52:49,631 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 60 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:52:49,631 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 312 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:52:49,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-12-02 10:52:49,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 193. [2024-12-02 10:52:49,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 126 states have (on average 1.3095238095238095) internal successors, (165), 126 states have internal predecessors, (165), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 10:52:49,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 293 transitions. [2024-12-02 10:52:49,663 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 293 transitions. Word has length 218 [2024-12-02 10:52:49,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:52:49,664 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 293 transitions. [2024-12-02 10:52:49,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:49,664 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 293 transitions. [2024-12-02 10:52:49,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-12-02 10:52:49,667 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:52:49,667 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:52:49,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 10:52:49,667 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:52:49,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:52:49,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1335918233, now seen corresponding path program 1 times [2024-12-02 10:52:49,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:52:49,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413445874] [2024-12-02 10:52:49,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:49,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:52:49,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:52:49,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 10:52:49,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:52:49,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413445874] [2024-12-02 10:52:49,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413445874] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:52:49,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:52:49,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:52:49,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340624232] [2024-12-02 10:52:49,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:52:49,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:52:49,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:52:49,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:52:49,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:52:49,913 INFO L87 Difference]: Start difference. First operand 193 states and 293 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:50,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:52:50,129 INFO L93 Difference]: Finished difference Result 331 states and 507 transitions. [2024-12-02 10:52:50,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:52:50,129 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 220 [2024-12-02 10:52:50,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:52:50,131 INFO L225 Difference]: With dead ends: 331 [2024-12-02 10:52:50,132 INFO L226 Difference]: Without dead ends: 208 [2024-12-02 10:52:50,132 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:52:50,133 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 64 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:52:50,133 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 528 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:52:50,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-12-02 10:52:50,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 197. [2024-12-02 10:52:50,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 130 states have (on average 1.3) internal successors, (169), 130 states have internal predecessors, (169), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 10:52:50,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 297 transitions. [2024-12-02 10:52:50,157 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 297 transitions. Word has length 220 [2024-12-02 10:52:50,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:52:50,158 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 297 transitions. [2024-12-02 10:52:50,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:50,158 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 297 transitions. [2024-12-02 10:52:50,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-12-02 10:52:50,161 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:52:50,161 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:52:50,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 10:52:50,161 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:52:50,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:52:50,162 INFO L85 PathProgramCache]: Analyzing trace with hash 826445143, now seen corresponding path program 1 times [2024-12-02 10:52:50,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:52:50,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000731593] [2024-12-02 10:52:50,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:50,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:52:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:52:50,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 10:52:50,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:52:50,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000731593] [2024-12-02 10:52:50,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000731593] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:52:50,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:52:50,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:52:50,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244016257] [2024-12-02 10:52:50,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:52:50,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:52:50,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:52:50,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:52:50,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:52:50,666 INFO L87 Difference]: Start difference. First operand 197 states and 297 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:51,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:52:51,183 INFO L93 Difference]: Finished difference Result 436 states and 670 transitions. [2024-12-02 10:52:51,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:52:51,184 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 220 [2024-12-02 10:52:51,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:52:51,187 INFO L225 Difference]: With dead ends: 436 [2024-12-02 10:52:51,187 INFO L226 Difference]: Without dead ends: 314 [2024-12-02 10:52:51,188 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:52:51,188 INFO L435 NwaCegarLoop]: 270 mSDtfsCounter, 366 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 10:52:51,188 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 474 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 10:52:51,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-12-02 10:52:51,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 219. [2024-12-02 10:52:51,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 152 states have (on average 1.3223684210526316) internal successors, (201), 152 states have internal predecessors, (201), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 10:52:51,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 329 transitions. [2024-12-02 10:52:51,226 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 329 transitions. Word has length 220 [2024-12-02 10:52:51,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:52:51,227 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 329 transitions. [2024-12-02 10:52:51,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:51,227 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 329 transitions. [2024-12-02 10:52:51,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-12-02 10:52:51,230 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:52:51,230 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:52:51,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 10:52:51,230 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:52:51,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:52:51,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1085106537, now seen corresponding path program 1 times [2024-12-02 10:52:51,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:52:51,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975064034] [2024-12-02 10:52:51,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:51,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:52:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:52:51,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 10:52:51,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:52:51,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975064034] [2024-12-02 10:52:51,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975064034] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:52:51,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:52:51,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 10:52:51,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630574834] [2024-12-02 10:52:51,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:52:51,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 10:52:51,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:52:51,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 10:52:51,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-12-02 10:52:51,960 INFO L87 Difference]: Start difference. First operand 219 states and 329 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:52,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:52:52,368 INFO L93 Difference]: Finished difference Result 416 states and 615 transitions. [2024-12-02 10:52:52,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 10:52:52,368 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 221 [2024-12-02 10:52:52,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:52:52,371 INFO L225 Difference]: With dead ends: 416 [2024-12-02 10:52:52,371 INFO L226 Difference]: Without dead ends: 272 [2024-12-02 10:52:52,372 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-12-02 10:52:52,372 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 122 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 10:52:52,373 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 767 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 10:52:52,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-12-02 10:52:52,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 225. [2024-12-02 10:52:52,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 158 states have (on average 1.2848101265822784) internal successors, (203), 158 states have internal predecessors, (203), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 10:52:52,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 331 transitions. [2024-12-02 10:52:52,405 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 331 transitions. Word has length 221 [2024-12-02 10:52:52,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:52:52,406 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 331 transitions. [2024-12-02 10:52:52,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:52,406 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 331 transitions. [2024-12-02 10:52:52,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-12-02 10:52:52,408 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:52:52,408 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:52:52,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 10:52:52,409 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:52:52,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:52:52,409 INFO L85 PathProgramCache]: Analyzing trace with hash -268621745, now seen corresponding path program 1 times [2024-12-02 10:52:52,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:52:52,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203692979] [2024-12-02 10:52:52,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:52,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:52:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:52:52,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 10:52:52,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:52:52,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203692979] [2024-12-02 10:52:52,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203692979] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:52:52,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:52:52,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:52:52,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295056968] [2024-12-02 10:52:52,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:52:52,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:52:52,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:52:52,544 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:52:52,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:52:52,545 INFO L87 Difference]: Start difference. First operand 225 states and 331 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:52,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:52:52,664 INFO L93 Difference]: Finished difference Result 487 states and 721 transitions. [2024-12-02 10:52:52,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:52:52,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 221 [2024-12-02 10:52:52,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:52:52,668 INFO L225 Difference]: With dead ends: 487 [2024-12-02 10:52:52,668 INFO L226 Difference]: Without dead ends: 337 [2024-12-02 10:52:52,668 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 10:52:52,669 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 150 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:52:52,669 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 330 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:52:52,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-12-02 10:52:52,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 243. [2024-12-02 10:52:52,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 176 states have (on average 1.2784090909090908) internal successors, (225), 176 states have internal predecessors, (225), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 10:52:52,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 353 transitions. [2024-12-02 10:52:52,724 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 353 transitions. Word has length 221 [2024-12-02 10:52:52,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:52:52,725 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 353 transitions. [2024-12-02 10:52:52,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:52,725 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 353 transitions. [2024-12-02 10:52:52,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-12-02 10:52:52,727 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:52:52,727 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:52:52,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 10:52:52,727 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:52:52,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:52:52,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1710232172, now seen corresponding path program 1 times [2024-12-02 10:52:52,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:52:52,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798719199] [2024-12-02 10:52:52,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:52,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:52:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:52:53,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 10:52:53,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:52:53,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798719199] [2024-12-02 10:52:53,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798719199] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:52:53,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:52:53,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 10:52:53,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624312653] [2024-12-02 10:52:53,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:52:53,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 10:52:53,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:52:53,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 10:52:53,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:52:53,164 INFO L87 Difference]: Start difference. First operand 243 states and 353 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:53,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:52:53,771 INFO L93 Difference]: Finished difference Result 515 states and 754 transitions. [2024-12-02 10:52:53,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 10:52:53,772 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 221 [2024-12-02 10:52:53,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:52:53,774 INFO L225 Difference]: With dead ends: 515 [2024-12-02 10:52:53,774 INFO L226 Difference]: Without dead ends: 347 [2024-12-02 10:52:53,775 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-02 10:52:53,776 INFO L435 NwaCegarLoop]: 295 mSDtfsCounter, 148 mSDsluCounter, 819 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 1114 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 10:52:53,776 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 1114 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 10:52:53,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-12-02 10:52:53,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 252. [2024-12-02 10:52:53,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 185 states have (on average 1.2756756756756757) internal successors, (236), 185 states have internal predecessors, (236), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 10:52:53,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 364 transitions. [2024-12-02 10:52:53,859 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 364 transitions. Word has length 221 [2024-12-02 10:52:53,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:52:53,860 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 364 transitions. [2024-12-02 10:52:53,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:53,860 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 364 transitions. [2024-12-02 10:52:53,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-12-02 10:52:53,862 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:52:53,862 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:52:53,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 10:52:53,863 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:52:53,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:52:53,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1302476037, now seen corresponding path program 1 times [2024-12-02 10:52:53,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:52:53,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702501195] [2024-12-02 10:52:53,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:53,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:52:53,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:52:54,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 10:52:54,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:52:54,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702501195] [2024-12-02 10:52:54,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702501195] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:52:54,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:52:54,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 10:52:54,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643752884] [2024-12-02 10:52:54,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:52:54,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 10:52:54,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:52:54,339 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 10:52:54,339 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-12-02 10:52:54,340 INFO L87 Difference]: Start difference. First operand 252 states and 364 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:54,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:52:54,663 INFO L93 Difference]: Finished difference Result 491 states and 693 transitions. [2024-12-02 10:52:54,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 10:52:54,664 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 222 [2024-12-02 10:52:54,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:52:54,665 INFO L225 Difference]: With dead ends: 491 [2024-12-02 10:52:54,665 INFO L226 Difference]: Without dead ends: 314 [2024-12-02 10:52:54,666 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-12-02 10:52:54,666 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 140 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:52:54,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 744 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:52:54,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-12-02 10:52:54,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 250. [2024-12-02 10:52:54,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 183 states have (on average 1.273224043715847) internal successors, (233), 183 states have internal predecessors, (233), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 10:52:54,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 361 transitions. [2024-12-02 10:52:54,694 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 361 transitions. Word has length 222 [2024-12-02 10:52:54,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:52:54,694 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 361 transitions. [2024-12-02 10:52:54,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:54,694 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 361 transitions. [2024-12-02 10:52:54,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-12-02 10:52:54,696 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:52:54,696 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:52:54,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 10:52:54,696 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:52:54,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:52:54,697 INFO L85 PathProgramCache]: Analyzing trace with hash -2047421725, now seen corresponding path program 1 times [2024-12-02 10:52:54,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:52:54,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208800594] [2024-12-02 10:52:54,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:54,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:52:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:52:54,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 10:52:54,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:52:54,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208800594] [2024-12-02 10:52:54,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208800594] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:52:54,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:52:54,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:52:54,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384004894] [2024-12-02 10:52:54,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:52:54,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:52:54,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:52:54,783 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:52:54,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:52:54,784 INFO L87 Difference]: Start difference. First operand 250 states and 361 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:54,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:52:54,886 INFO L93 Difference]: Finished difference Result 513 states and 750 transitions. [2024-12-02 10:52:54,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:52:54,887 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 222 [2024-12-02 10:52:54,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:52:54,889 INFO L225 Difference]: With dead ends: 513 [2024-12-02 10:52:54,889 INFO L226 Difference]: Without dead ends: 338 [2024-12-02 10:52:54,890 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 10:52:54,890 INFO L435 NwaCegarLoop]: 295 mSDtfsCounter, 143 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:52:54,890 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 443 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:52:54,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-12-02 10:52:54,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 241. [2024-12-02 10:52:54,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 174 states have (on average 1.264367816091954) internal successors, (220), 174 states have internal predecessors, (220), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 10:52:54,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 348 transitions. [2024-12-02 10:52:54,921 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 348 transitions. Word has length 222 [2024-12-02 10:52:54,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:52:54,921 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 348 transitions. [2024-12-02 10:52:54,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:54,921 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 348 transitions. [2024-12-02 10:52:54,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-12-02 10:52:54,922 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:52:54,922 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:52:54,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 10:52:54,923 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:52:54,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:52:54,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1063325507, now seen corresponding path program 1 times [2024-12-02 10:52:54,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:52:54,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368159999] [2024-12-02 10:52:54,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:54,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:52:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:52:55,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 10:52:55,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:52:55,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368159999] [2024-12-02 10:52:55,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368159999] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:52:55,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:52:55,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 10:52:55,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342112759] [2024-12-02 10:52:55,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:52:55,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 10:52:55,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:52:55,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 10:52:55,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:52:55,286 INFO L87 Difference]: Start difference. First operand 241 states and 348 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:56,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:52:56,024 INFO L93 Difference]: Finished difference Result 525 states and 764 transitions. [2024-12-02 10:52:56,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 10:52:56,025 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 222 [2024-12-02 10:52:56,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:52:56,028 INFO L225 Difference]: With dead ends: 525 [2024-12-02 10:52:56,028 INFO L226 Difference]: Without dead ends: 359 [2024-12-02 10:52:56,029 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-12-02 10:52:56,029 INFO L435 NwaCegarLoop]: 390 mSDtfsCounter, 304 mSDsluCounter, 1091 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 1481 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 10:52:56,029 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 1481 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 10:52:56,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-12-02 10:52:56,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 330. [2024-12-02 10:52:56,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 230 states have (on average 1.2347826086956522) internal successors, (284), 230 states have internal predecessors, (284), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-12-02 10:52:56,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 476 transitions. [2024-12-02 10:52:56,132 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 476 transitions. Word has length 222 [2024-12-02 10:52:56,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:52:56,133 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 476 transitions. [2024-12-02 10:52:56,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:56,133 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 476 transitions. [2024-12-02 10:52:56,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-12-02 10:52:56,135 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:52:56,136 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:52:56,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 10:52:56,136 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:52:56,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:52:56,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1582266636, now seen corresponding path program 1 times [2024-12-02 10:52:56,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:52:56,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598108405] [2024-12-02 10:52:56,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:56,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:52:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:52:56,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 10:52:56,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:52:56,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598108405] [2024-12-02 10:52:56,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598108405] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:52:56,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:52:56,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 10:52:56,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554681360] [2024-12-02 10:52:56,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:52:56,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 10:52:56,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:52:56,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 10:52:56,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-12-02 10:52:56,693 INFO L87 Difference]: Start difference. First operand 330 states and 476 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:57,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:52:57,092 INFO L93 Difference]: Finished difference Result 666 states and 937 transitions. [2024-12-02 10:52:57,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 10:52:57,093 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 222 [2024-12-02 10:52:57,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:52:57,096 INFO L225 Difference]: With dead ends: 666 [2024-12-02 10:52:57,096 INFO L226 Difference]: Without dead ends: 411 [2024-12-02 10:52:57,097 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-12-02 10:52:57,098 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 87 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:52:57,098 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 837 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:52:57,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-12-02 10:52:57,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 327. [2024-12-02 10:52:57,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 227 states have (on average 1.2378854625550662) internal successors, (281), 227 states have internal predecessors, (281), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-12-02 10:52:57,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 473 transitions. [2024-12-02 10:52:57,171 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 473 transitions. Word has length 222 [2024-12-02 10:52:57,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:52:57,172 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 473 transitions. [2024-12-02 10:52:57,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:57,172 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 473 transitions. [2024-12-02 10:52:57,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-12-02 10:52:57,173 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:52:57,174 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:52:57,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 10:52:57,174 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:52:57,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:52:57,175 INFO L85 PathProgramCache]: Analyzing trace with hash -203344048, now seen corresponding path program 1 times [2024-12-02 10:52:57,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:52:57,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235707520] [2024-12-02 10:52:57,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:57,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:52:57,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:52:57,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 10:52:57,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:52:57,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235707520] [2024-12-02 10:52:57,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235707520] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:52:57,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:52:57,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 10:52:57,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592309646] [2024-12-02 10:52:57,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:52:57,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 10:52:57,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:52:57,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 10:52:57,696 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:52:57,696 INFO L87 Difference]: Start difference. First operand 327 states and 473 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:58,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:52:58,972 INFO L93 Difference]: Finished difference Result 966 states and 1416 transitions. [2024-12-02 10:52:58,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 10:52:58,972 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 223 [2024-12-02 10:52:58,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:52:58,977 INFO L225 Difference]: With dead ends: 966 [2024-12-02 10:52:58,977 INFO L226 Difference]: Without dead ends: 714 [2024-12-02 10:52:58,978 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-12-02 10:52:58,979 INFO L435 NwaCegarLoop]: 257 mSDtfsCounter, 631 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 328 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 631 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 328 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:52:58,979 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [631 Valid, 570 Invalid, 796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [328 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 10:52:58,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2024-12-02 10:52:59,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 336. [2024-12-02 10:52:59,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 236 states have (on average 1.2330508474576272) internal successors, (291), 236 states have internal predecessors, (291), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-12-02 10:52:59,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 483 transitions. [2024-12-02 10:52:59,063 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 483 transitions. Word has length 223 [2024-12-02 10:52:59,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:52:59,064 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 483 transitions. [2024-12-02 10:52:59,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:59,064 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 483 transitions. [2024-12-02 10:52:59,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-12-02 10:52:59,065 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:52:59,066 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:52:59,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 10:52:59,066 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:52:59,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:52:59,066 INFO L85 PathProgramCache]: Analyzing trace with hash 476714322, now seen corresponding path program 1 times [2024-12-02 10:52:59,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:52:59,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382237501] [2024-12-02 10:52:59,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:59,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:52:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:52:59,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 10:52:59,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:52:59,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382237501] [2024-12-02 10:52:59,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382237501] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:52:59,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:52:59,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 10:52:59,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068668309] [2024-12-02 10:52:59,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:52:59,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 10:52:59,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:52:59,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 10:52:59,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-12-02 10:52:59,463 INFO L87 Difference]: Start difference. First operand 336 states and 483 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:59,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:52:59,760 INFO L93 Difference]: Finished difference Result 676 states and 949 transitions. [2024-12-02 10:52:59,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 10:52:59,761 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 223 [2024-12-02 10:52:59,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:52:59,764 INFO L225 Difference]: With dead ends: 676 [2024-12-02 10:52:59,764 INFO L226 Difference]: Without dead ends: 415 [2024-12-02 10:52:59,765 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-12-02 10:52:59,766 INFO L435 NwaCegarLoop]: 180 mSDtfsCounter, 91 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:52:59,766 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 710 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:52:59,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-12-02 10:52:59,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 330. [2024-12-02 10:52:59,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 230 states have (on average 1.2391304347826086) internal successors, (285), 230 states have internal predecessors, (285), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-12-02 10:52:59,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 477 transitions. [2024-12-02 10:52:59,847 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 477 transitions. Word has length 223 [2024-12-02 10:52:59,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:52:59,847 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 477 transitions. [2024-12-02 10:52:59,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:52:59,848 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 477 transitions. [2024-12-02 10:52:59,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-12-02 10:52:59,849 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:52:59,849 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:52:59,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 10:52:59,849 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:52:59,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:52:59,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1438121980, now seen corresponding path program 1 times [2024-12-02 10:52:59,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:52:59,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876648235] [2024-12-02 10:52:59,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:59,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:52:59,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:00,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 10:53:00,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:00,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876648235] [2024-12-02 10:53:00,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876648235] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:00,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:00,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 10:53:00,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668004231] [2024-12-02 10:53:00,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:00,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 10:53:00,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:00,212 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 10:53:00,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:53:00,212 INFO L87 Difference]: Start difference. First operand 330 states and 477 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:53:01,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:01,210 INFO L93 Difference]: Finished difference Result 981 states and 1430 transitions. [2024-12-02 10:53:01,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 10:53:01,211 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 223 [2024-12-02 10:53:01,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:01,215 INFO L225 Difference]: With dead ends: 981 [2024-12-02 10:53:01,215 INFO L226 Difference]: Without dead ends: 726 [2024-12-02 10:53:01,217 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-12-02 10:53:01,217 INFO L435 NwaCegarLoop]: 253 mSDtfsCounter, 573 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 573 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:01,218 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [573 Valid, 893 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 10:53:01,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2024-12-02 10:53:01,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 334. [2024-12-02 10:53:01,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 234 states have (on average 1.235042735042735) internal successors, (289), 234 states have internal predecessors, (289), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-12-02 10:53:01,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 481 transitions. [2024-12-02 10:53:01,366 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 481 transitions. Word has length 223 [2024-12-02 10:53:01,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:01,367 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 481 transitions. [2024-12-02 10:53:01,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:53:01,367 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 481 transitions. [2024-12-02 10:53:01,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-12-02 10:53:01,369 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:01,369 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:53:01,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 10:53:01,369 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:01,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:01,370 INFO L85 PathProgramCache]: Analyzing trace with hash -2139713573, now seen corresponding path program 1 times [2024-12-02 10:53:01,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:01,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030279438] [2024-12-02 10:53:01,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:01,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:01,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 10:53:01,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:01,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030279438] [2024-12-02 10:53:01,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030279438] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:01,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:01,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 10:53:01,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650261015] [2024-12-02 10:53:01,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:01,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 10:53:01,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:01,811 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 10:53:01,811 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-12-02 10:53:01,811 INFO L87 Difference]: Start difference. First operand 334 states and 481 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:53:02,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:02,143 INFO L93 Difference]: Finished difference Result 646 states and 914 transitions. [2024-12-02 10:53:02,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 10:53:02,143 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 223 [2024-12-02 10:53:02,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:02,146 INFO L225 Difference]: With dead ends: 646 [2024-12-02 10:53:02,146 INFO L226 Difference]: Without dead ends: 387 [2024-12-02 10:53:02,147 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-12-02 10:53:02,148 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 66 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:02,148 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 733 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:53:02,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2024-12-02 10:53:02,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 337. [2024-12-02 10:53:02,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 237 states have (on average 1.2320675105485233) internal successors, (292), 237 states have internal predecessors, (292), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-12-02 10:53:02,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 484 transitions. [2024-12-02 10:53:02,229 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 484 transitions. Word has length 223 [2024-12-02 10:53:02,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:02,230 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 484 transitions. [2024-12-02 10:53:02,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:53:02,230 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 484 transitions. [2024-12-02 10:53:02,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-12-02 10:53:02,231 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:02,231 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:53:02,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 10:53:02,232 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:02,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:02,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1268497414, now seen corresponding path program 1 times [2024-12-02 10:53:02,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:02,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011493279] [2024-12-02 10:53:02,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:02,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:02,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 10:53:02,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:02,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011493279] [2024-12-02 10:53:02,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011493279] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:02,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:02,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:53:02,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249000106] [2024-12-02 10:53:02,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:02,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:53:02,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:02,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:53:02,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:53:02,604 INFO L87 Difference]: Start difference. First operand 337 states and 484 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:53:03,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:03,016 INFO L93 Difference]: Finished difference Result 784 states and 1140 transitions. [2024-12-02 10:53:03,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:53:03,017 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 223 [2024-12-02 10:53:03,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:03,021 INFO L225 Difference]: With dead ends: 784 [2024-12-02 10:53:03,021 INFO L226 Difference]: Without dead ends: 522 [2024-12-02 10:53:03,022 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:53:03,024 INFO L435 NwaCegarLoop]: 274 mSDtfsCounter, 320 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:03,024 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 683 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 10:53:03,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2024-12-02 10:53:03,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 331. [2024-12-02 10:53:03,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 231 states have (on average 1.2294372294372293) internal successors, (284), 231 states have internal predecessors, (284), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-12-02 10:53:03,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 476 transitions. [2024-12-02 10:53:03,104 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 476 transitions. Word has length 223 [2024-12-02 10:53:03,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:03,104 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 476 transitions. [2024-12-02 10:53:03,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:53:03,104 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 476 transitions. [2024-12-02 10:53:03,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-12-02 10:53:03,106 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:03,106 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:53:03,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 10:53:03,106 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:03,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:03,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1987808185, now seen corresponding path program 1 times [2024-12-02 10:53:03,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:03,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773196498] [2024-12-02 10:53:03,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:03,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:03,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 10:53:03,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:03,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773196498] [2024-12-02 10:53:03,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773196498] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:03,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:03,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:53:03,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622049950] [2024-12-02 10:53:03,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:03,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:53:03,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:03,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:53:03,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:03,186 INFO L87 Difference]: Start difference. First operand 331 states and 476 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:53:03,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:03,364 INFO L93 Difference]: Finished difference Result 775 states and 1120 transitions. [2024-12-02 10:53:03,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:53:03,365 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 223 [2024-12-02 10:53:03,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:03,368 INFO L225 Difference]: With dead ends: 775 [2024-12-02 10:53:03,368 INFO L226 Difference]: Without dead ends: 519 [2024-12-02 10:53:03,369 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 10:53:03,370 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 156 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:03,370 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 320 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:53:03,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2024-12-02 10:53:03,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 494. [2024-12-02 10:53:03,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 328 states have (on average 1.1890243902439024) internal successors, (390), 328 states have internal predecessors, (390), 160 states have call successors, (160), 5 states have call predecessors, (160), 5 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2024-12-02 10:53:03,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 710 transitions. [2024-12-02 10:53:03,511 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 710 transitions. Word has length 223 [2024-12-02 10:53:03,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:03,511 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 710 transitions. [2024-12-02 10:53:03,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:53:03,511 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 710 transitions. [2024-12-02 10:53:03,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-12-02 10:53:03,513 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:03,513 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:53:03,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 10:53:03,513 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:03,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:03,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1644346649, now seen corresponding path program 1 times [2024-12-02 10:53:03,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:03,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205035640] [2024-12-02 10:53:03,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:03,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:04,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 10:53:04,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:04,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205035640] [2024-12-02 10:53:04,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205035640] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:04,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:04,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:53:04,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77932604] [2024-12-02 10:53:04,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:04,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:53:04,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:04,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:53:04,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:53:04,191 INFO L87 Difference]: Start difference. First operand 494 states and 710 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:53:04,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:04,535 INFO L93 Difference]: Finished difference Result 1119 states and 1567 transitions. [2024-12-02 10:53:04,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:53:04,536 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 224 [2024-12-02 10:53:04,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:04,539 INFO L225 Difference]: With dead ends: 1119 [2024-12-02 10:53:04,539 INFO L226 Difference]: Without dead ends: 700 [2024-12-02 10:53:04,540 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:53:04,541 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 74 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:04,541 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 568 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:53:04,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2024-12-02 10:53:04,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 694. [2024-12-02 10:53:04,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 507 states have (on average 1.1952662721893492) internal successors, (606), 511 states have internal predecessors, (606), 176 states have call successors, (176), 10 states have call predecessors, (176), 10 states have return successors, (176), 172 states have call predecessors, (176), 176 states have call successors, (176) [2024-12-02 10:53:04,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 958 transitions. [2024-12-02 10:53:04,702 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 958 transitions. Word has length 224 [2024-12-02 10:53:04,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:04,702 INFO L471 AbstractCegarLoop]: Abstraction has 694 states and 958 transitions. [2024-12-02 10:53:04,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:53:04,702 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 958 transitions. [2024-12-02 10:53:04,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-12-02 10:53:04,704 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:04,704 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:53:04,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 10:53:04,704 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:04,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:04,705 INFO L85 PathProgramCache]: Analyzing trace with hash -349798057, now seen corresponding path program 1 times [2024-12-02 10:53:04,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:04,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850506593] [2024-12-02 10:53:04,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:04,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:04,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:05,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 10:53:05,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:05,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850506593] [2024-12-02 10:53:05,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850506593] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:05,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:05,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 10:53:05,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466624071] [2024-12-02 10:53:05,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:05,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 10:53:05,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:05,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 10:53:05,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-12-02 10:53:05,082 INFO L87 Difference]: Start difference. First operand 694 states and 958 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:53:05,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:05,344 INFO L93 Difference]: Finished difference Result 1447 states and 1961 transitions. [2024-12-02 10:53:05,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 10:53:05,345 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 224 [2024-12-02 10:53:05,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:05,351 INFO L225 Difference]: With dead ends: 1447 [2024-12-02 10:53:05,351 INFO L226 Difference]: Without dead ends: 832 [2024-12-02 10:53:05,352 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-12-02 10:53:05,353 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 65 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:05,353 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 624 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:53:05,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2024-12-02 10:53:05,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 678. [2024-12-02 10:53:05,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 491 states have (on average 1.1975560081466394) internal successors, (588), 495 states have internal predecessors, (588), 176 states have call successors, (176), 10 states have call predecessors, (176), 10 states have return successors, (176), 172 states have call predecessors, (176), 176 states have call successors, (176) [2024-12-02 10:53:05,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 940 transitions. [2024-12-02 10:53:05,525 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 940 transitions. Word has length 224 [2024-12-02 10:53:05,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:05,525 INFO L471 AbstractCegarLoop]: Abstraction has 678 states and 940 transitions. [2024-12-02 10:53:05,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:53:05,526 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 940 transitions. [2024-12-02 10:53:05,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-12-02 10:53:05,528 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:05,528 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:53:05,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 10:53:05,529 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:05,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:05,529 INFO L85 PathProgramCache]: Analyzing trace with hash 2098775702, now seen corresponding path program 1 times [2024-12-02 10:53:05,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:05,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367938524] [2024-12-02 10:53:05,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:05,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:06,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 10:53:06,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:06,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367938524] [2024-12-02 10:53:06,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367938524] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:06,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:06,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 10:53:06,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633291656] [2024-12-02 10:53:06,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:06,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 10:53:06,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:06,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 10:53:06,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:53:06,372 INFO L87 Difference]: Start difference. First operand 678 states and 940 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:53:06,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:06,861 INFO L93 Difference]: Finished difference Result 1281 states and 1764 transitions. [2024-12-02 10:53:06,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 10:53:06,861 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 224 [2024-12-02 10:53:06,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:06,864 INFO L225 Difference]: With dead ends: 1281 [2024-12-02 10:53:06,864 INFO L226 Difference]: Without dead ends: 682 [2024-12-02 10:53:06,865 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-12-02 10:53:06,865 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 131 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:06,866 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 625 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 10:53:06,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2024-12-02 10:53:07,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 663. [2024-12-02 10:53:07,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 478 states have (on average 1.1924686192468619) internal successors, (570), 481 states have internal predecessors, (570), 172 states have call successors, (172), 12 states have call predecessors, (172), 12 states have return successors, (172), 169 states have call predecessors, (172), 172 states have call successors, (172) [2024-12-02 10:53:07,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 914 transitions. [2024-12-02 10:53:07,048 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 914 transitions. Word has length 224 [2024-12-02 10:53:07,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:07,049 INFO L471 AbstractCegarLoop]: Abstraction has 663 states and 914 transitions. [2024-12-02 10:53:07,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:53:07,049 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 914 transitions. [2024-12-02 10:53:07,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-12-02 10:53:07,050 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:07,051 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:53:07,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 10:53:07,051 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:07,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:07,051 INFO L85 PathProgramCache]: Analyzing trace with hash 221481121, now seen corresponding path program 1 times [2024-12-02 10:53:07,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:07,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947356202] [2024-12-02 10:53:07,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:07,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:07,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 10:53:07,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:07,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947356202] [2024-12-02 10:53:07,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947356202] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:07,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:07,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:53:07,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282127924] [2024-12-02 10:53:07,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:07,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:53:07,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:07,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:53:07,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:53:07,425 INFO L87 Difference]: Start difference. First operand 663 states and 914 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:53:07,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:07,742 INFO L93 Difference]: Finished difference Result 1407 states and 1922 transitions. [2024-12-02 10:53:07,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:53:07,742 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 224 [2024-12-02 10:53:07,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:07,745 INFO L225 Difference]: With dead ends: 1407 [2024-12-02 10:53:07,745 INFO L226 Difference]: Without dead ends: 823 [2024-12-02 10:53:07,746 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:53:07,746 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 139 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:07,747 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 559 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:53:07,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2024-12-02 10:53:07,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 673. [2024-12-02 10:53:07,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 488 states have (on average 1.2028688524590163) internal successors, (587), 491 states have internal predecessors, (587), 172 states have call successors, (172), 12 states have call predecessors, (172), 12 states have return successors, (172), 169 states have call predecessors, (172), 172 states have call successors, (172) [2024-12-02 10:53:07,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 931 transitions. [2024-12-02 10:53:07,852 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 931 transitions. Word has length 224 [2024-12-02 10:53:07,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:07,852 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 931 transitions. [2024-12-02 10:53:07,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:53:07,852 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 931 transitions. [2024-12-02 10:53:07,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-12-02 10:53:07,853 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:07,854 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:53:07,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 10:53:07,854 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:07,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:07,854 INFO L85 PathProgramCache]: Analyzing trace with hash -336060394, now seen corresponding path program 1 times [2024-12-02 10:53:07,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:07,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001181931] [2024-12-02 10:53:07,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:07,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:53:07,904 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:53:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:53:08,043 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 10:53:08,043 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 10:53:08,044 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 10:53:08,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 10:53:08,047 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 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 10:53:08,175 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 10:53:08,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 10:53:08 BoogieIcfgContainer [2024-12-02 10:53:08,178 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 10:53:08,179 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 10:53:08,179 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 10:53:08,179 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 10:53:08,180 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:52:45" (3/4) ... [2024-12-02 10:53:08,182 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 10:53:08,183 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 10:53:08,183 INFO L158 Benchmark]: Toolchain (without parser) took 23888.84ms. Allocated memory was 117.4MB in the beginning and 394.3MB in the end (delta: 276.8MB). Free memory was 92.2MB in the beginning and 336.5MB in the end (delta: -244.3MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2024-12-02 10:53:08,184 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:53:08,184 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.48ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 75.7MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 10:53:08,184 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.96ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 71.0MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:53:08,184 INFO L158 Benchmark]: Boogie Preprocessor took 60.24ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 65.0MB in the end (delta: 5.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:53:08,185 INFO L158 Benchmark]: RCFGBuilder took 584.97ms. Allocated memory is still 117.4MB. Free memory was 65.0MB in the beginning and 86.3MB in the end (delta: -21.3MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2024-12-02 10:53:08,185 INFO L158 Benchmark]: TraceAbstraction took 22868.33ms. Allocated memory was 117.4MB in the beginning and 394.3MB in the end (delta: 276.8MB). Free memory was 85.8MB in the beginning and 336.6MB in the end (delta: -250.8MB). Peak memory consumption was 237.3MB. Max. memory is 16.1GB. [2024-12-02 10:53:08,185 INFO L158 Benchmark]: Witness Printer took 4.01ms. Allocated memory is still 394.3MB. Free memory was 336.6MB in the beginning and 336.5MB in the end (delta: 52.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:53:08,187 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.48ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 75.7MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.96ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 71.0MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.24ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 65.0MB in the end (delta: 5.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 584.97ms. Allocated memory is still 117.4MB. Free memory was 65.0MB in the beginning and 86.3MB in the end (delta: -21.3MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. * TraceAbstraction took 22868.33ms. Allocated memory was 117.4MB in the beginning and 394.3MB in the end (delta: 276.8MB). Free memory was 85.8MB in the beginning and 336.6MB in the end (delta: -250.8MB). Peak memory consumption was 237.3MB. Max. memory is 16.1GB. * Witness Printer took 4.01ms. Allocated memory is still 394.3MB. Free memory was 336.6MB in the beginning and 336.5MB in the end (delta: 52.9kB). 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 206, overapproximation of bitwiseOr at line 67, overapproximation of someUnaryDOUBLEoperation at line 48, overapproximation of someBinaryDOUBLEComparisonOperation at line 206, overapproximation of someBinaryDOUBLEComparisonOperation at line 73, overapproximation of someBinaryDOUBLEComparisonOperation at line 163, overapproximation of someBinaryDOUBLEComparisonOperation at line 187, overapproximation of someBinaryDOUBLEComparisonOperation at line 88, overapproximation of someBinaryDOUBLEComparisonOperation at line 159, overapproximation of someBinaryDOUBLEComparisonOperation at line 167, overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 161, overapproximation of someBinaryDOUBLEComparisonOperation at line 181, overapproximation of someBinaryDOUBLEComparisonOperation at line 183, overapproximation of someBinaryDOUBLEComparisonOperation at line 185, overapproximation of someBinaryDOUBLEComparisonOperation at line 77, overapproximation of someBinaryDOUBLEComparisonOperation at line 157, overapproximation of someBinaryDOUBLEComparisonOperation at line 165. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 64; [L23] unsigned char var_1_7 = 0; [L24] unsigned short int var_1_11 = 500; [L25] unsigned char var_1_13 = 64; [L26] unsigned char var_1_15 = 1; [L27] unsigned char var_1_16 = 8; [L28] double var_1_17 = 7.5; [L29] double var_1_18 = 31.125; [L30] double var_1_19 = 10.5; [L31] double var_1_20 = 0.0; [L32] double var_1_21 = 16.75; [L33] double var_1_22 = 2.5; [L34] double var_1_23 = 64.5; [L35] signed long int var_1_24 = 10; [L36] signed char var_1_26 = 16; [L37] signed char var_1_27 = 4; [L38] signed char var_1_28 = -10; [L39] float var_1_29 = 63.794; [L40] unsigned short int var_1_30 = 1; [L41] signed long int var_1_31 = -2; [L42] unsigned char var_1_32 = 64; [L43] unsigned char var_1_33 = 8; [L44] unsigned char var_1_38 = 8; [L45] unsigned char var_1_39 = 10; [L46] double var_1_40 = 8.35; [L47] double var_1_41 = 63.75; [L48] double var_1_42 = -0.125; [L49] double var_1_43 = -0.8; [L50] double var_1_44 = -0.5; [L51] unsigned short int var_1_45 = 50; [L52] unsigned char var_1_46 = 0; [L53] unsigned char var_1_47 = 5; [L54] unsigned char var_1_48 = 1; [L55] signed char var_1_49 = -16; [L56] signed char var_1_50 = 2; [L57] signed char var_1_51 = 16; [L58] signed char var_1_52 = 0; [L59] signed long int var_1_53 = 256; [L60] double var_1_54 = 1.25; [L61] unsigned long int var_1_55 = 5; [L62] signed long int last_1_var_1_1 = 64; [L63] unsigned char last_1_var_1_13 = 64; VAL [isInitial=0, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L210] isInitial = 1 [L211] FCALL initially() [L213] CALL updateLastVariables() [L202] last_1_var_1_1 = var_1_1 [L203] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L213] RET updateLastVariables() [L214] CALL updateVariables() [L147] var_1_7 = __VERIFIER_nondet_uchar() [L148] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5] [L148] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5] [L149] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L149] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L150] var_1_15 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L151] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L152] CALL assume_abort_if_not(var_1_15 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L152] RET assume_abort_if_not(var_1_15 <= 254) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L153] var_1_16 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L154] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L155] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L155] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L156] var_1_18 = __VERIFIER_nondet_double() [L157] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L157] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L158] var_1_19 = __VERIFIER_nondet_double() [L159] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L159] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L160] var_1_20 = __VERIFIER_nondet_double() [L161] CALL assume_abort_if_not((var_1_20 >= 4611686.018427382800e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L161] RET assume_abort_if_not((var_1_20 >= 4611686.018427382800e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L162] var_1_21 = __VERIFIER_nondet_double() [L163] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L163] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L164] var_1_22 = __VERIFIER_nondet_double() [L165] CALL assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L165] RET assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L166] var_1_23 = __VERIFIER_nondet_double() [L167] CALL assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L167] RET assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L168] var_1_27 = __VERIFIER_nondet_char() [L169] CALL assume_abort_if_not(var_1_27 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L169] RET assume_abort_if_not(var_1_27 >= -63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L170] CALL assume_abort_if_not(var_1_27 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L170] RET assume_abort_if_not(var_1_27 <= 63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L171] var_1_28 = __VERIFIER_nondet_char() [L172] CALL assume_abort_if_not(var_1_28 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L172] RET assume_abort_if_not(var_1_28 >= -63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L173] CALL assume_abort_if_not(var_1_28 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L173] RET assume_abort_if_not(var_1_28 <= 63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L174] var_1_38 = __VERIFIER_nondet_uchar() [L175] CALL assume_abort_if_not(var_1_38 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L175] RET assume_abort_if_not(var_1_38 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L176] CALL assume_abort_if_not(var_1_38 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L176] RET assume_abort_if_not(var_1_38 <= 254) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=10, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L177] var_1_39 = __VERIFIER_nondet_uchar() [L178] CALL assume_abort_if_not(var_1_39 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L178] RET assume_abort_if_not(var_1_39 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L179] CALL assume_abort_if_not(var_1_39 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L179] RET assume_abort_if_not(var_1_39 <= 254) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_41=255/4, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L180] var_1_41 = __VERIFIER_nondet_double() [L181] CALL assume_abort_if_not((var_1_41 >= -922337.2036854765600e+13F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 9223372.036854765600e+12F && var_1_41 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L181] RET assume_abort_if_not((var_1_41 >= -922337.2036854765600e+13F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 9223372.036854765600e+12F && var_1_41 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L182] var_1_42 = __VERIFIER_nondet_double() [L183] CALL assume_abort_if_not((var_1_42 >= -922337.2036854765600e+13F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 9223372.036854765600e+12F && var_1_42 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L183] RET assume_abort_if_not((var_1_42 >= -922337.2036854765600e+13F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 9223372.036854765600e+12F && var_1_42 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L184] var_1_43 = __VERIFIER_nondet_double() [L185] CALL assume_abort_if_not((var_1_43 >= -461168.6018427382800e+13F && var_1_43 <= -1.0e-20F) || (var_1_43 <= 4611686.018427382800e+12F && var_1_43 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L185] RET assume_abort_if_not((var_1_43 >= -461168.6018427382800e+13F && var_1_43 <= -1.0e-20F) || (var_1_43 <= 4611686.018427382800e+12F && var_1_43 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L186] var_1_44 = __VERIFIER_nondet_double() [L187] CALL assume_abort_if_not((var_1_44 >= -461168.6018427382800e+13F && var_1_44 <= -1.0e-20F) || (var_1_44 <= 4611686.018427382800e+12F && var_1_44 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L187] RET assume_abort_if_not((var_1_44 >= -461168.6018427382800e+13F && var_1_44 <= -1.0e-20F) || (var_1_44 <= 4611686.018427382800e+12F && var_1_44 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L188] var_1_47 = __VERIFIER_nondet_uchar() [L189] CALL assume_abort_if_not(var_1_47 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L189] RET assume_abort_if_not(var_1_47 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L190] CALL assume_abort_if_not(var_1_47 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L190] RET assume_abort_if_not(var_1_47 <= 127) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L191] var_1_50 = __VERIFIER_nondet_char() [L192] CALL assume_abort_if_not(var_1_50 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L192] RET assume_abort_if_not(var_1_50 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L193] CALL assume_abort_if_not(var_1_50 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L193] RET assume_abort_if_not(var_1_50 <= 63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=16, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L194] var_1_51 = __VERIFIER_nondet_char() [L195] CALL assume_abort_if_not(var_1_51 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=0, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=0, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L195] RET assume_abort_if_not(var_1_51 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=0, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L196] CALL assume_abort_if_not(var_1_51 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=0, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=0, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L196] RET assume_abort_if_not(var_1_51 <= 63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=0, var_1_52=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L197] var_1_52 = __VERIFIER_nondet_char() [L198] CALL assume_abort_if_not(var_1_52 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L198] RET assume_abort_if_not(var_1_52 >= -63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L199] CALL assume_abort_if_not(var_1_52 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L199] RET assume_abort_if_not(var_1_52 <= 63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L214] RET updateVariables() [L215] CALL step() [L67] EXPR var_1_1 ^ var_1_32 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L67] EXPR var_1_13 | var_1_31 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L67] COND FALSE !((var_1_1 ^ var_1_32) < (var_1_13 | var_1_31)) [L70] var_1_33 = (((((((var_1_39) < (var_1_38)) ? (var_1_39) : (var_1_38))) < 0 ) ? -((((var_1_39) < (var_1_38)) ? (var_1_39) : (var_1_38))) : ((((var_1_39) < (var_1_38)) ? (var_1_39) : (var_1_38))))) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=0, var_1_38=-2, var_1_39=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L72] COND TRUE (-32 & var_1_38) > var_1_31 [L73] var_1_40 = ((((var_1_41) > (var_1_42)) ? (var_1_41) : (var_1_42))) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=0, var_1_38=-2, var_1_39=0, var_1_40=505, var_1_41=505, var_1_42=505, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L77] COND TRUE var_1_44 >= ((((var_1_41) < 0 ) ? -(var_1_41) : (var_1_41))) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=0, var_1_38=-2, var_1_39=0, var_1_40=505, var_1_41=505, var_1_42=505, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L78] COND FALSE !(var_1_1 > var_1_32) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=0, var_1_38=-2, var_1_39=0, var_1_40=505, var_1_41=505, var_1_42=505, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L88] COND FALSE !(var_1_44 > (var_1_43 + var_1_41)) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=0, var_1_38=-2, var_1_39=0, var_1_40=505, var_1_41=505, var_1_42=505, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=1, var_1_49=-16, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L95] var_1_48 = var_1_39 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=0, var_1_38=-2, var_1_39=0, var_1_40=505, var_1_41=505, var_1_42=505, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=0, var_1_49=-16, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L96] COND TRUE var_1_41 < var_1_29 [L97] var_1_49 = ((var_1_50 - var_1_51) + var_1_52) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=0, var_1_38=-2, var_1_39=0, var_1_40=505, var_1_41=505, var_1_42=505, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=0, var_1_49=4, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L101] var_1_53 = var_1_32 [L102] var_1_54 = var_1_44 [L103] var_1_55 = var_1_13 [L104] signed long int stepLocal_1 = last_1_var_1_1; VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=0, var_1_38=-2, var_1_39=0, var_1_40=505, var_1_41=505, var_1_42=505, var_1_44=507, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=0, var_1_49=4, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=64, var_1_54=507, var_1_55=64, var_1_7=0] [L105] COND FALSE !(stepLocal_1 != last_1_var_1_13) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=0, var_1_38=-2, var_1_39=0, var_1_40=505, var_1_41=505, var_1_42=505, var_1_44=507, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=0, var_1_49=4, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=64, var_1_54=507, var_1_55=64, var_1_7=0] [L108] var_1_31 = var_1_13 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=64, var_1_32=64, var_1_33=0, var_1_38=-2, var_1_39=0, var_1_40=505, var_1_41=505, var_1_42=505, var_1_44=507, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=0, var_1_49=4, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=64, var_1_54=507, var_1_55=64, var_1_7=0] [L109] COND FALSE !(\read(var_1_7)) [L112] var_1_17 = var_1_22 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=506, var_1_1=64, var_1_22=506, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=64, var_1_32=64, var_1_33=0, var_1_38=-2, var_1_39=0, var_1_40=505, var_1_41=505, var_1_42=505, var_1_44=507, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=0, var_1_49=4, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=64, var_1_54=507, var_1_55=64, var_1_7=0] [L114] COND FALSE !(\read(var_1_7)) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=506, var_1_1=64, var_1_22=506, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=64, var_1_32=64, var_1_33=0, var_1_38=-2, var_1_39=0, var_1_40=505, var_1_41=505, var_1_42=505, var_1_44=507, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=0, var_1_49=4, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=64, var_1_54=507, var_1_55=64, var_1_7=0] [L117] var_1_32 = var_1_16 [L118] var_1_30 = var_1_32 [L119] unsigned char stepLocal_0 = var_1_13; VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_0=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=506, var_1_1=64, var_1_22=506, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=0, var_1_38=-2, var_1_39=0, var_1_40=505, var_1_41=505, var_1_42=505, var_1_44=507, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=0, var_1_49=4, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=64, var_1_54=507, var_1_55=64, var_1_7=0] [L120] EXPR var_1_32 >> var_1_32 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_0=64, var_1_11=500, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=506, var_1_1=64, var_1_22=506, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=0, var_1_38=-2, var_1_39=0, var_1_40=505, var_1_41=505, var_1_42=505, var_1_44=507, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=0, var_1_49=4, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=64, var_1_54=507, var_1_55=64, var_1_7=0] [L120] COND TRUE (var_1_32 >> var_1_32) < stepLocal_0 [L121] var_1_11 = var_1_32 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=0, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=506, var_1_1=64, var_1_22=506, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=0, var_1_38=-2, var_1_39=0, var_1_40=505, var_1_41=505, var_1_42=505, var_1_44=507, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=0, var_1_49=4, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=64, var_1_54=507, var_1_55=64, var_1_7=0] [L123] COND TRUE var_1_11 >= var_1_30 [L124] var_1_26 = (var_1_27 + var_1_28) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=0, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=506, var_1_1=64, var_1_22=506, var_1_24=10, var_1_26=-126, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=0, var_1_38=-2, var_1_39=0, var_1_40=505, var_1_41=505, var_1_42=505, var_1_44=507, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=0, var_1_49=4, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=64, var_1_54=507, var_1_55=64, var_1_7=0] [L126] EXPR (var_1_31 + 4u) | var_1_30 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=0, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=506, var_1_1=64, var_1_22=506, var_1_24=10, var_1_26=-126, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=0, var_1_38=-2, var_1_39=0, var_1_40=505, var_1_41=505, var_1_42=505, var_1_44=507, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=0, var_1_49=4, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=64, var_1_54=507, var_1_55=64, var_1_7=0] [L126] COND TRUE 32u < ((var_1_31 + 4u) | var_1_30) [L127] var_1_1 = (var_1_26 + (var_1_26 + var_1_32)) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=0, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=506, var_1_1=-252, var_1_22=506, var_1_24=10, var_1_26=-126, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=0, var_1_38=-2, var_1_39=0, var_1_40=505, var_1_41=505, var_1_42=505, var_1_44=507, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=0, var_1_49=4, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=64, var_1_54=507, var_1_55=64, var_1_7=0] [L135] unsigned short int stepLocal_2 = var_1_30; VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_2=0, var_1_11=0, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=506, var_1_1=-252, var_1_22=506, var_1_24=10, var_1_26=-126, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=0, var_1_38=-2, var_1_39=0, var_1_40=505, var_1_41=505, var_1_42=505, var_1_44=507, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=0, var_1_49=4, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=64, var_1_54=507, var_1_55=64, var_1_7=0] [L136] COND TRUE ! var_1_7 [L137] var_1_24 = (var_1_11 - ((((((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) < ((var_1_30 + var_1_15))) ? (((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) : ((var_1_30 + var_1_15))))) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_2=0, var_1_11=0, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=506, var_1_1=-252, var_1_22=506, var_1_24=-64, var_1_26=-126, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=0, var_1_38=-2, var_1_39=0, var_1_40=505, var_1_41=505, var_1_42=505, var_1_44=507, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=0, var_1_49=4, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=64, var_1_54=507, var_1_55=64, var_1_7=0] [L215] RET step() [L216] CALL, EXPR property() [L206] EXPR (var_1_31 + 4u) | var_1_30 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=0, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=506, var_1_1=-252, var_1_22=506, var_1_24=-64, var_1_26=-126, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=0, var_1_38=-2, var_1_39=0, var_1_40=505, var_1_41=505, var_1_42=505, var_1_44=507, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=0, var_1_49=4, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=64, var_1_54=507, var_1_55=64, var_1_7=0] [L206] EXPR ((32u < ((var_1_31 + 4u) | var_1_30)) ? (var_1_1 == ((signed long int) (var_1_26 + (var_1_26 + var_1_32)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_26) < ((var_1_11 - var_1_32))) ? (var_1_26) : ((var_1_11 - var_1_32)))))) : (var_1_1 == ((signed long int) (var_1_32 - var_1_13))))) && (((var_1_32 >> var_1_32) < var_1_13) ? (var_1_11 == ((unsigned short int) var_1_32)) : 1) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=0, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=506, var_1_1=-252, var_1_22=506, var_1_24=-64, var_1_26=-126, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=0, var_1_38=-2, var_1_39=0, var_1_40=505, var_1_41=505, var_1_42=505, var_1_44=507, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=0, var_1_49=4, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=64, var_1_54=507, var_1_55=64, var_1_7=0] [L206] EXPR var_1_32 >> var_1_32 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=0, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=506, var_1_1=-252, var_1_22=506, var_1_24=-64, var_1_26=-126, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=0, var_1_38=-2, var_1_39=0, var_1_40=505, var_1_41=505, var_1_42=505, var_1_44=507, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=0, var_1_49=4, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=64, var_1_54=507, var_1_55=64, var_1_7=0] [L206] EXPR ((32u < ((var_1_31 + 4u) | var_1_30)) ? (var_1_1 == ((signed long int) (var_1_26 + (var_1_26 + var_1_32)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_26) < ((var_1_11 - var_1_32))) ? (var_1_26) : ((var_1_11 - var_1_32)))))) : (var_1_1 == ((signed long int) (var_1_32 - var_1_13))))) && (((var_1_32 >> var_1_32) < var_1_13) ? (var_1_11 == ((unsigned short int) var_1_32)) : 1) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=0, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=506, var_1_1=-252, var_1_22=506, var_1_24=-64, var_1_26=-126, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=0, var_1_38=-2, var_1_39=0, var_1_40=505, var_1_41=505, var_1_42=505, var_1_44=507, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=0, var_1_49=4, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=64, var_1_54=507, var_1_55=64, var_1_7=0] [L206-L207] return ((((((((((32u < ((var_1_31 + 4u) | var_1_30)) ? (var_1_1 == ((signed long int) (var_1_26 + (var_1_26 + var_1_32)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_26) < ((var_1_11 - var_1_32))) ? (var_1_26) : ((var_1_11 - var_1_32)))))) : (var_1_1 == ((signed long int) (var_1_32 - var_1_13))))) && (((var_1_32 >> var_1_32) < var_1_13) ? (var_1_11 == ((unsigned short int) var_1_32)) : 1)) && ((last_1_var_1_1 != last_1_var_1_13) ? (var_1_13 == ((unsigned char) ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) : 1)) && (var_1_7 ? (var_1_17 == ((double) ((((((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) < (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))))) ? (((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) : (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23)))))))) : (var_1_17 == ((double) var_1_22)))) && ((! var_1_7) ? (var_1_24 == ((signed long int) (var_1_11 - ((((((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) < ((var_1_30 + var_1_15))) ? (((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) : ((var_1_30 + var_1_15))))))) : ((var_1_11 < var_1_30) ? (var_1_24 == ((signed long int) -4)) : (var_1_24 == ((signed long int) var_1_26))))) && ((var_1_11 >= var_1_30) ? (var_1_26 == ((signed char) (var_1_27 + var_1_28))) : 1)) && (var_1_7 ? (var_1_29 == ((float) var_1_20)) : 1)) && (var_1_30 == ((unsigned short int) var_1_32))) && (var_1_31 == ((signed long int) var_1_13))) && (var_1_32 == ((unsigned char) var_1_16)) ; [L216] RET, EXPR property() [L216] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=0, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=506, var_1_1=-252, var_1_22=506, var_1_24=-64, var_1_26=-126, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=0, var_1_38=-2, var_1_39=0, var_1_40=505, var_1_41=505, var_1_42=505, var_1_44=507, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=0, var_1_49=4, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=64, var_1_54=507, var_1_55=64, var_1_7=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=0, var_1_13=64, var_1_15=254, var_1_16=0, var_1_17=506, var_1_1=-252, var_1_22=506, var_1_24=-64, var_1_26=-126, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=0, var_1_38=-2, var_1_39=0, var_1_40=505, var_1_41=505, var_1_42=505, var_1_44=507, var_1_45=50, var_1_46=0, var_1_47=0, var_1_48=0, var_1_49=4, var_1_50=63, var_1_51=0, var_1_52=-59, var_1_53=64, var_1_54=507, var_1_55=64, var_1_7=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 116 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.7s, OverallIterations: 28, TraceHistogramMax: 32, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 9.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4332 SdHoareTripleChecker+Valid, 6.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4332 mSDsluCounter, 15898 SdHoareTripleChecker+Invalid, 5.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10404 mSDsCounter, 693 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4537 IncrementalHoareTripleChecker+Invalid, 5230 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 693 mSolverCounterUnsat, 5494 mSDtfsCounter, 4537 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 419 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=694occurred in iteration=24, InterpolantAutomatonStates: 144, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 27 MinimizatonAttempts, 2250 StatesRemovedByMinimization, 26 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 8.8s InterpolantComputationTime, 6401 NumberOfCodeBlocks, 6401 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 6149 ConstructedInterpolants, 0 QuantifiedInterpolants, 12368 SizeOfPredicates, 0 NumberOfNonLiveVariables, 510 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 28 InterpolantComputations, 27 PerfectInterpolantSequences, 55490/55552 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 10:53:08,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/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_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/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_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/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_e5b9dfd3-c005-4404-b9d7-ffce15c29577/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 0b36356817ea264db31a3e9ba1b92ddfdfece23d12079947455c2435bf39a20c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:53:10,221 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:53:10,296 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 10:53:10,301 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:53:10,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:53:10,322 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:53:10,323 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:53:10,323 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:53:10,323 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:53:10,323 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:53:10,323 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:53:10,324 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:53:10,324 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:53:10,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:53:10,324 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:53:10,324 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:53:10,324 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:53:10,324 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:53:10,324 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:53:10,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:53:10,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:53:10,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:53:10,325 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:53:10,325 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 10:53:10,325 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 10:53:10,325 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 10:53:10,325 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:53:10,325 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:53:10,325 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:53:10,325 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:53:10,325 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:53:10,325 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:53:10,326 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:53:10,326 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:53:10,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:53:10,326 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:53:10,326 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:53:10,326 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:53:10,327 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:53:10,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:53:10,327 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:53:10,327 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:53:10,327 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:53:10,327 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:53:10,327 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 10:53:10,327 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 10:53:10,327 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:53:10,327 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:53:10,327 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:53:10,328 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:53:10,328 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_e5b9dfd3-c005-4404-b9d7-ffce15c29577/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 -> 0b36356817ea264db31a3e9ba1b92ddfdfece23d12079947455c2435bf39a20c [2024-12-02 10:53:10,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:53:10,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:53:10,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:53:10,580 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:53:10,581 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:53:10,582 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-63.i [2024-12-02 10:53:13,303 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/data/2a3bf8367/b3a2eda915c34a92a1765ac7d8f1d4c8/FLAG0d2eb2a5c [2024-12-02 10:53:13,508 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:53:13,508 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-63.i [2024-12-02 10:53:13,518 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/data/2a3bf8367/b3a2eda915c34a92a1765ac7d8f1d4c8/FLAG0d2eb2a5c [2024-12-02 10:53:13,533 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/data/2a3bf8367/b3a2eda915c34a92a1765ac7d8f1d4c8 [2024-12-02 10:53:13,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:53:13,537 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:53:13,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:53:13,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:53:13,542 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:53:13,542 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:53:13" (1/1) ... [2024-12-02 10:53:13,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@127c4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:13, skipping insertion in model container [2024-12-02 10:53:13,543 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:53:13" (1/1) ... [2024-12-02 10:53:13,563 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:53:13,682 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_e5b9dfd3-c005-4404-b9d7-ffce15c29577/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-63.i[919,932] [2024-12-02 10:53:13,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:53:13,772 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:53:13,782 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_e5b9dfd3-c005-4404-b9d7-ffce15c29577/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-63.i[919,932] [2024-12-02 10:53:13,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:53:13,842 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:53:13,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:13 WrapperNode [2024-12-02 10:53:13,843 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:53:13,844 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:53:13,844 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:53:13,844 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:53:13,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:13" (1/1) ... [2024-12-02 10:53:13,862 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:13" (1/1) ... [2024-12-02 10:53:13,891 INFO L138 Inliner]: procedures = 27, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 222 [2024-12-02 10:53:13,892 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:53:13,892 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:53:13,893 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:53:13,893 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:53:13,903 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:13" (1/1) ... [2024-12-02 10:53:13,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:13" (1/1) ... [2024-12-02 10:53:13,908 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:13" (1/1) ... [2024-12-02 10:53:13,921 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 10:53:13,921 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:13" (1/1) ... [2024-12-02 10:53:13,921 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:13" (1/1) ... [2024-12-02 10:53:13,933 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:13" (1/1) ... [2024-12-02 10:53:13,935 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:13" (1/1) ... [2024-12-02 10:53:13,939 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:13" (1/1) ... [2024-12-02 10:53:13,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:13" (1/1) ... [2024-12-02 10:53:13,943 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:13" (1/1) ... [2024-12-02 10:53:13,948 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:53:13,949 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:53:13,949 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:53:13,949 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:53:13,950 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:13" (1/1) ... [2024-12-02 10:53:13,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:53:13,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:53:13,978 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:53:13,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:53:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:53:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 10:53:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 10:53:14,001 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 10:53:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:53:14,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:53:14,088 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:53:14,090 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:53:22,542 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-02 10:53:22,543 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:53:22,554 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:53:22,554 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 10:53:22,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:53:22 BoogieIcfgContainer [2024-12-02 10:53:22,554 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:53:22,556 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:53:22,556 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:53:22,560 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:53:22,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:53:13" (1/3) ... [2024-12-02 10:53:22,561 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b90363a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:53:22, skipping insertion in model container [2024-12-02 10:53:22,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:13" (2/3) ... [2024-12-02 10:53:22,561 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b90363a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:53:22, skipping insertion in model container [2024-12-02 10:53:22,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:53:22" (3/3) ... [2024-12-02 10:53:22,563 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-63.i [2024-12-02 10:53:22,574 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:53:22,576 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-63.i that has 2 procedures, 95 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 10:53:22,621 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:53:22,631 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;@6fa4df4d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:53:22,631 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:53:22,635 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 60 states have (on average 1.3833333333333333) internal successors, (83), 61 states have internal predecessors, (83), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-12-02 10:53:22,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-12-02 10:53:22,646 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:22,647 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:53:22,647 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:22,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:22,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1991846610, now seen corresponding path program 1 times [2024-12-02 10:53:22,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:53:22,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [118447229] [2024-12-02 10:53:22,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:22,661 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 10:53:22,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:53:22,663 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/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 10:53:22,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/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 10:53:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:23,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 10:53:23,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:53:23,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 942 proven. 0 refuted. 0 times theorem prover too weak. 1042 trivial. 0 not checked. [2024-12-02 10:53:23,380 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:53:23,380 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:53:23,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [118447229] [2024-12-02 10:53:23,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [118447229] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:23,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:23,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 10:53:23,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978866287] [2024-12-02 10:53:23,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:23,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 10:53:23,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:53:23,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 10:53:23,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:53:23,404 INFO L87 Difference]: Start difference. First operand has 95 states, 60 states have (on average 1.3833333333333333) internal successors, (83), 61 states have internal predecessors, (83), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 10:53:23,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:23,433 INFO L93 Difference]: Finished difference Result 183 states and 320 transitions. [2024-12-02 10:53:23,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 10:53:23,434 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 208 [2024-12-02 10:53:23,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:23,440 INFO L225 Difference]: With dead ends: 183 [2024-12-02 10:53:23,440 INFO L226 Difference]: Without dead ends: 91 [2024-12-02 10:53:23,443 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 207 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 10:53:23,446 INFO L435 NwaCegarLoop]: 140 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, 140 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 10:53:23,446 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:53:23,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-12-02 10:53:23,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-12-02 10:53:23,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 57 states have (on average 1.3333333333333333) internal successors, (76), 57 states have internal predecessors, (76), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-12-02 10:53:23,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 140 transitions. [2024-12-02 10:53:23,486 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 140 transitions. Word has length 208 [2024-12-02 10:53:23,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:23,486 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 140 transitions. [2024-12-02 10:53:23,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 10:53:23,486 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 140 transitions. [2024-12-02 10:53:23,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-12-02 10:53:23,490 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:23,491 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:53:23,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/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 10:53:23,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/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 10:53:23,692 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:23,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:23,692 INFO L85 PathProgramCache]: Analyzing trace with hash 709149566, now seen corresponding path program 1 times [2024-12-02 10:53:23,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:53:23,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [683337748] [2024-12-02 10:53:23,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:23,693 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 10:53:23,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:53:23,695 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/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 10:53:23,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/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 10:53:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:24,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 10:53:24,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:53:27,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 10:53:27,441 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:53:27,442 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:53:27,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [683337748] [2024-12-02 10:53:27,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [683337748] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:27,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:27,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 10:53:27,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950168749] [2024-12-02 10:53:27,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:27,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:53:27,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:53:27,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:53:27,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:27,446 INFO L87 Difference]: Start difference. First operand 91 states and 140 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:53:31,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:53:31,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:31,822 INFO L93 Difference]: Finished difference Result 251 states and 390 transitions. [2024-12-02 10:53:31,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:53:31,823 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 208 [2024-12-02 10:53:31,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:31,827 INFO L225 Difference]: With dead ends: 251 [2024-12-02 10:53:31,827 INFO L226 Difference]: Without dead ends: 163 [2024-12-02 10:53:31,828 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 206 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 10:53:31,829 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 20 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:31,829 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 259 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-12-02 10:53:31,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-12-02 10:53:31,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 152. [2024-12-02 10:53:31,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 85 states have (on average 1.223529411764706) internal successors, (104), 85 states have internal predecessors, (104), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 10:53:31,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 232 transitions. [2024-12-02 10:53:31,862 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 232 transitions. Word has length 208 [2024-12-02 10:53:31,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:31,863 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 232 transitions. [2024-12-02 10:53:31,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:53:31,864 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 232 transitions. [2024-12-02 10:53:31,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-12-02 10:53:31,867 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:31,868 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:53:31,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/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 10:53:32,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/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 10:53:32,068 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:32,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:32,069 INFO L85 PathProgramCache]: Analyzing trace with hash 505302458, now seen corresponding path program 1 times [2024-12-02 10:53:32,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:53:32,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [526777999] [2024-12-02 10:53:32,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:32,070 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 10:53:32,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:53:32,071 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/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 10:53:32,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-02 10:53:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:32,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 10:53:32,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:53:32,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 10:53:32,674 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:53:32,674 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:53:32,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [526777999] [2024-12-02 10:53:32,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [526777999] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:32,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:32,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:53:32,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653854675] [2024-12-02 10:53:32,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:32,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:53:32,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:53:32,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:53:32,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:32,676 INFO L87 Difference]: Start difference. First operand 152 states and 232 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:53:36,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:53:37,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:53:37,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:37,658 INFO L93 Difference]: Finished difference Result 256 states and 391 transitions. [2024-12-02 10:53:37,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:53:37,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 208 [2024-12-02 10:53:37,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:37,661 INFO L225 Difference]: With dead ends: 256 [2024-12-02 10:53:37,661 INFO L226 Difference]: Without dead ends: 168 [2024-12-02 10:53:37,661 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 206 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 10:53:37,662 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 14 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:37,662 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 269 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-12-02 10:53:37,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-12-02 10:53:37,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 160. [2024-12-02 10:53:37,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 93 states have (on average 1.2365591397849462) internal successors, (115), 93 states have internal predecessors, (115), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 10:53:37,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 243 transitions. [2024-12-02 10:53:37,689 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 243 transitions. Word has length 208 [2024-12-02 10:53:37,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:37,690 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 243 transitions. [2024-12-02 10:53:37,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-12-02 10:53:37,690 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 243 transitions. [2024-12-02 10:53:37,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-12-02 10:53:37,693 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:37,694 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:53:37,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-02 10:53:37,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/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 10:53:37,894 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:37,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:37,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1464532474, now seen corresponding path program 1 times [2024-12-02 10:53:37,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:53:37,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [82869277] [2024-12-02 10:53:37,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:37,896 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 10:53:37,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:53:37,898 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/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 10:53:37,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b9dfd3-c005-4404-b9d7-ffce15c29577/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 10:53:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:38,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 10:53:38,454 INFO L279 TraceCheckSpWp]: Computing forward predicates...