./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-84.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_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6814e4b1182b075f519057bacd5c07f341f45068ab378c95bdf1e389d807335f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:07:51,169 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:07:51,267 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:07:51,276 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:07:51,276 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:07:51,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:07:51,318 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:07:51,319 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:07:51,319 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:07:51,320 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:07:51,321 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:07:51,321 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:07:51,321 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:07:51,322 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:07:51,322 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:07:51,323 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:07:51,323 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:07:51,323 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:07:51,323 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:07:51,323 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:07:51,323 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:07:51,323 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:07:51,323 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:07:51,323 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:07:51,323 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:07:51,323 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:07:51,324 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:07:51,324 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:07:51,324 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:07:51,325 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:07:51,325 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:07:51,325 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:07:51,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:07:51,325 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:07:51,326 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:07:51,326 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:07:51,326 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:07:51,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:07:51,326 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:07:51,326 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:07:51,326 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:07:51,326 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:07:51,326 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:07:51,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:07:51,327 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:07:51,327 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:07:51,327 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:07:51,327 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:07:51,327 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_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6814e4b1182b075f519057bacd5c07f341f45068ab378c95bdf1e389d807335f [2024-11-28 04:07:51,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:07:51,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:07:51,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:07:51,692 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:07:51,693 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:07:51,694 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-84.i [2024-11-28 04:07:54,841 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/data/c38933d08/128492f3247a4e649bd31cda0b0bd863/FLAGde1f20469 [2024-11-28 04:07:55,227 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:07:55,229 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-84.i [2024-11-28 04:07:55,247 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/data/c38933d08/128492f3247a4e649bd31cda0b0bd863/FLAGde1f20469 [2024-11-28 04:07:55,280 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/data/c38933d08/128492f3247a4e649bd31cda0b0bd863 [2024-11-28 04:07:55,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:07:55,287 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:07:55,291 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:07:55,291 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:07:55,297 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:07:55,299 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:07:55" (1/1) ... [2024-11-28 04:07:55,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d409199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:55, skipping insertion in model container [2024-11-28 04:07:55,303 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:07:55" (1/1) ... [2024-11-28 04:07:55,331 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:07:55,485 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_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-84.i[913,926] [2024-11-28 04:07:55,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:07:55,584 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:07:55,596 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_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-84.i[913,926] [2024-11-28 04:07:55,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:07:55,682 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:07:55,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:55 WrapperNode [2024-11-28 04:07:55,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:07:55,684 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:07:55,684 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:07:55,684 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:07:55,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:55" (1/1) ... [2024-11-28 04:07:55,704 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:55" (1/1) ... [2024-11-28 04:07:55,758 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 189 [2024-11-28 04:07:55,758 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:07:55,759 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:07:55,759 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:07:55,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:07:55,778 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:55" (1/1) ... [2024-11-28 04:07:55,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:55" (1/1) ... [2024-11-28 04:07:55,782 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:55" (1/1) ... [2024-11-28 04:07:55,801 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 04:07:55,802 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:55" (1/1) ... [2024-11-28 04:07:55,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:55" (1/1) ... [2024-11-28 04:07:55,812 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:55" (1/1) ... [2024-11-28 04:07:55,814 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:55" (1/1) ... [2024-11-28 04:07:55,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:55" (1/1) ... [2024-11-28 04:07:55,821 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:55" (1/1) ... [2024-11-28 04:07:55,823 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:55" (1/1) ... [2024-11-28 04:07:55,828 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:07:55,829 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:07:55,829 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:07:55,830 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:07:55,831 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:55" (1/1) ... [2024-11-28 04:07:55,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:07:55,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:07:55,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:07:55,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:07:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:07:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:07:55,930 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:07:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:07:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:07:55,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:07:56,041 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:07:56,043 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:07:56,657 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-28 04:07:56,657 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:07:56,668 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:07:56,668 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:07:56,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:07:56 BoogieIcfgContainer [2024-11-28 04:07:56,669 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:07:56,672 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:07:56,672 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:07:56,678 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:07:56,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:07:55" (1/3) ... [2024-11-28 04:07:56,679 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758c6836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:07:56, skipping insertion in model container [2024-11-28 04:07:56,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:55" (2/3) ... [2024-11-28 04:07:56,680 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758c6836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:07:56, skipping insertion in model container [2024-11-28 04:07:56,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:07:56" (3/3) ... [2024-11-28 04:07:56,681 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-84.i [2024-11-28 04:07:56,698 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:07:56,700 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_normal_file-84.i that has 2 procedures, 84 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:07:56,770 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:07:56,790 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;@498b176a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:07:56,791 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:07:56,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 56 states have internal predecessors, (78), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-28 04:07:56,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-28 04:07:56,816 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:07:56,817 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:07:56,817 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:07:56,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:56,824 INFO L85 PathProgramCache]: Analyzing trace with hash -561344740, now seen corresponding path program 1 times [2024-11-28 04:07:56,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:07:56,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947178232] [2024-11-28 04:07:56,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:56,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:07:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:57,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2024-11-28 04:07:57,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:07:57,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947178232] [2024-11-28 04:07:57,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947178232] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:07:57,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561995212] [2024-11-28 04:07:57,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:57,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:07:57,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:07:57,340 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:07:57,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:07:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:57,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:07:57,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:07:57,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2024-11-28 04:07:57,580 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:07:57,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561995212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:57,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:07:57,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:07:57,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406125498] [2024-11-28 04:07:57,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:57,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:07:57,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:07:57,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:07:57,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:07:57,614 INFO L87 Difference]: Start difference. First operand has 84 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 56 states have internal predecessors, (78), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-28 04:07:57,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:07:57,661 INFO L93 Difference]: Finished difference Result 161 states and 280 transitions. [2024-11-28 04:07:57,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:07:57,665 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 164 [2024-11-28 04:07:57,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:07:57,673 INFO L225 Difference]: With dead ends: 161 [2024-11-28 04:07:57,674 INFO L226 Difference]: Without dead ends: 80 [2024-11-28 04:07:57,680 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:07:57,685 INFO L435 NwaCegarLoop]: 123 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, 123 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:07:57,686 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:07:57,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-28 04:07:57,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-28 04:07:57,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 52 states have (on average 1.3653846153846154) internal successors, (71), 52 states have internal predecessors, (71), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-28 04:07:57,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 123 transitions. [2024-11-28 04:07:57,736 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 123 transitions. Word has length 164 [2024-11-28 04:07:57,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:07:57,738 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 123 transitions. [2024-11-28 04:07:57,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-28 04:07:57,739 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 123 transitions. [2024-11-28 04:07:57,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-28 04:07:57,745 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:07:57,746 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:07:57,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 04:07:57,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 04:07:57,947 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:07:57,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:57,948 INFO L85 PathProgramCache]: Analyzing trace with hash -512118624, now seen corresponding path program 1 times [2024-11-28 04:07:57,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:07:57,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632979938] [2024-11-28 04:07:57,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:57,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:07:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:04,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-28 04:08:04,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:04,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632979938] [2024-11-28 04:08:04,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632979938] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:04,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:04,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:08:04,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254593662] [2024-11-28 04:08:04,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:04,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:08:04,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:04,348 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:08:04,349 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:08:04,349 INFO L87 Difference]: Start difference. First operand 80 states and 123 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-28 04:08:06,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:08:06,863 INFO L93 Difference]: Finished difference Result 221 states and 337 transitions. [2024-11-28 04:08:06,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:08:06,865 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-28 04:08:06,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:08:06,868 INFO L225 Difference]: With dead ends: 221 [2024-11-28 04:08:06,868 INFO L226 Difference]: Without dead ends: 144 [2024-11-28 04:08:06,869 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:08:06,870 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 108 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:08:06,871 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 296 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-28 04:08:06,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-28 04:08:06,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 94. [2024-11-28 04:08:06,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 66 states have (on average 1.4242424242424243) internal successors, (94), 66 states have internal predecessors, (94), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-28 04:08:06,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 146 transitions. [2024-11-28 04:08:06,889 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 146 transitions. Word has length 164 [2024-11-28 04:08:06,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:08:06,891 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 146 transitions. [2024-11-28 04:08:06,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-28 04:08:06,892 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 146 transitions. [2024-11-28 04:08:06,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-28 04:08:06,895 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:08:06,895 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:06,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:08:06,896 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:08:06,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:06,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1114100680, now seen corresponding path program 1 times [2024-11-28 04:08:06,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:06,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650719583] [2024-11-28 04:08:06,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:06,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:12,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-28 04:08:12,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:12,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650719583] [2024-11-28 04:08:12,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650719583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:12,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:12,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:08:12,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483488835] [2024-11-28 04:08:12,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:12,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:08:12,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:12,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:08:12,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:08:12,724 INFO L87 Difference]: Start difference. First operand 94 states and 146 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-28 04:08:14,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:08:14,779 INFO L93 Difference]: Finished difference Result 237 states and 361 transitions. [2024-11-28 04:08:14,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:08:14,780 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 165 [2024-11-28 04:08:14,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:08:14,784 INFO L225 Difference]: With dead ends: 237 [2024-11-28 04:08:14,784 INFO L226 Difference]: Without dead ends: 146 [2024-11-28 04:08:14,785 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:08:14,785 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 153 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:08:14,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 334 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-28 04:08:14,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-28 04:08:14,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 94. [2024-11-28 04:08:14,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 66 states have (on average 1.4242424242424243) internal successors, (94), 66 states have internal predecessors, (94), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-28 04:08:14,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 146 transitions. [2024-11-28 04:08:14,801 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 146 transitions. Word has length 165 [2024-11-28 04:08:14,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:08:14,802 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 146 transitions. [2024-11-28 04:08:14,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-28 04:08:14,802 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 146 transitions. [2024-11-28 04:08:14,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-28 04:08:14,805 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:08:14,805 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:14,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:08:14,805 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:08:14,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:14,806 INFO L85 PathProgramCache]: Analyzing trace with hash -2135169034, now seen corresponding path program 1 times [2024-11-28 04:08:14,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:14,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703839009] [2024-11-28 04:08:14,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:14,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:20,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-28 04:08:20,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:20,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703839009] [2024-11-28 04:08:20,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703839009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:20,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:20,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:08:20,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200292136] [2024-11-28 04:08:20,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:20,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:08:20,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:20,490 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:08:20,490 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:08:20,490 INFO L87 Difference]: Start difference. First operand 94 states and 146 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-28 04:08:22,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:08:22,521 INFO L93 Difference]: Finished difference Result 235 states and 358 transitions. [2024-11-28 04:08:22,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:08:22,522 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 165 [2024-11-28 04:08:22,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:08:22,524 INFO L225 Difference]: With dead ends: 235 [2024-11-28 04:08:22,525 INFO L226 Difference]: Without dead ends: 144 [2024-11-28 04:08:22,526 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:08:22,526 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 84 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:08:22,527 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 282 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-28 04:08:22,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-28 04:08:22,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 80. [2024-11-28 04:08:22,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 52 states have internal predecessors, (70), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-28 04:08:22,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 122 transitions. [2024-11-28 04:08:22,543 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 122 transitions. Word has length 165 [2024-11-28 04:08:22,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:08:22,544 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 122 transitions. [2024-11-28 04:08:22,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-28 04:08:22,544 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 122 transitions. [2024-11-28 04:08:22,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-28 04:08:22,548 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:08:22,548 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:22,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:08:22,548 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:08:22,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:22,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1566076539, now seen corresponding path program 1 times [2024-11-28 04:08:22,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:22,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451992317] [2024-11-28 04:08:22,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:22,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:27,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-28 04:08:27,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:27,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451992317] [2024-11-28 04:08:27,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451992317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:27,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:27,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 04:08:27,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612146856] [2024-11-28 04:08:27,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:27,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:08:27,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:27,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:08:27,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:08:27,065 INFO L87 Difference]: Start difference. First operand 80 states and 122 transitions. Second operand has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-28 04:08:28,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:08:28,636 INFO L93 Difference]: Finished difference Result 307 states and 457 transitions. [2024-11-28 04:08:28,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:08:28,637 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 166 [2024-11-28 04:08:28,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:08:28,640 INFO L225 Difference]: With dead ends: 307 [2024-11-28 04:08:28,640 INFO L226 Difference]: Without dead ends: 230 [2024-11-28 04:08:28,641 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2024-11-28 04:08:28,642 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 254 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:08:28,643 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 564 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 04:08:28,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-28 04:08:28,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 222. [2024-11-28 04:08:28,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 159 states have (on average 1.3584905660377358) internal successors, (216), 161 states have internal predecessors, (216), 58 states have call successors, (58), 4 states have call predecessors, (58), 4 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-28 04:08:28,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 332 transitions. [2024-11-28 04:08:28,685 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 332 transitions. Word has length 166 [2024-11-28 04:08:28,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:08:28,686 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 332 transitions. [2024-11-28 04:08:28,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-28 04:08:28,686 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 332 transitions. [2024-11-28 04:08:28,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-28 04:08:28,689 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:08:28,689 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:28,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:08:28,690 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:08:28,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:28,690 INFO L85 PathProgramCache]: Analyzing trace with hash 286212861, now seen corresponding path program 1 times [2024-11-28 04:08:28,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:28,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093985579] [2024-11-28 04:08:28,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:28,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:31,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-28 04:08:31,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:31,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093985579] [2024-11-28 04:08:31,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093985579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:31,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:31,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 04:08:31,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726680781] [2024-11-28 04:08:31,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:31,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:08:31,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:31,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:08:31,925 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:08:31,925 INFO L87 Difference]: Start difference. First operand 222 states and 332 transitions. Second operand has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-28 04:08:33,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:08:33,516 INFO L93 Difference]: Finished difference Result 492 states and 720 transitions. [2024-11-28 04:08:33,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:08:33,517 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 166 [2024-11-28 04:08:33,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:08:33,522 INFO L225 Difference]: With dead ends: 492 [2024-11-28 04:08:33,523 INFO L226 Difference]: Without dead ends: 273 [2024-11-28 04:08:33,524 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:08:33,525 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 233 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:08:33,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 569 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 04:08:33,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-28 04:08:33,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 209. [2024-11-28 04:08:33,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 146 states have (on average 1.356164383561644) internal successors, (198), 148 states have internal predecessors, (198), 58 states have call successors, (58), 4 states have call predecessors, (58), 4 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-28 04:08:33,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 314 transitions. [2024-11-28 04:08:33,568 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 314 transitions. Word has length 166 [2024-11-28 04:08:33,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:08:33,569 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 314 transitions. [2024-11-28 04:08:33,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-28 04:08:33,570 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 314 transitions. [2024-11-28 04:08:33,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-28 04:08:33,572 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:08:33,573 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:33,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:08:33,573 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:08:33,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:33,574 INFO L85 PathProgramCache]: Analyzing trace with hash -724904389, now seen corresponding path program 1 times [2024-11-28 04:08:33,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:33,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530512133] [2024-11-28 04:08:33,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:33,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:33,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:35,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-28 04:08:35,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:35,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530512133] [2024-11-28 04:08:35,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530512133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:35,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:35,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 04:08:35,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893197332] [2024-11-28 04:08:35,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:35,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:08:35,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:35,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:08:35,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:08:35,843 INFO L87 Difference]: Start difference. First operand 209 states and 314 transitions. Second operand has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-28 04:08:36,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:08:36,772 INFO L93 Difference]: Finished difference Result 454 states and 670 transitions. [2024-11-28 04:08:36,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:08:36,773 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 166 [2024-11-28 04:08:36,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:08:36,776 INFO L225 Difference]: With dead ends: 454 [2024-11-28 04:08:36,776 INFO L226 Difference]: Without dead ends: 252 [2024-11-28 04:08:36,777 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:08:36,778 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 181 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:08:36,778 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 512 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 04:08:36,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-28 04:08:36,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 200. [2024-11-28 04:08:36,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 137 states have (on average 1.3430656934306568) internal successors, (184), 139 states have internal predecessors, (184), 58 states have call successors, (58), 4 states have call predecessors, (58), 4 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-28 04:08:36,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 300 transitions. [2024-11-28 04:08:36,810 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 300 transitions. Word has length 166 [2024-11-28 04:08:36,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:08:36,811 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 300 transitions. [2024-11-28 04:08:36,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-28 04:08:36,811 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 300 transitions. [2024-11-28 04:08:36,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-28 04:08:36,825 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:08:36,825 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:36,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:08:36,825 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:08:36,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:36,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1649899491, now seen corresponding path program 1 times [2024-11-28 04:08:36,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:36,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095582890] [2024-11-28 04:08:36,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:36,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:36,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:37,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-28 04:08:37,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:37,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095582890] [2024-11-28 04:08:37,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095582890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:37,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:37,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:08:37,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671679626] [2024-11-28 04:08:37,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:37,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:08:37,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:37,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:08:37,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:08:37,054 INFO L87 Difference]: Start difference. First operand 200 states and 300 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-28 04:08:37,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:08:37,227 INFO L93 Difference]: Finished difference Result 396 states and 594 transitions. [2024-11-28 04:08:37,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:08:37,228 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 167 [2024-11-28 04:08:37,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:08:37,230 INFO L225 Difference]: With dead ends: 396 [2024-11-28 04:08:37,230 INFO L226 Difference]: Without dead ends: 203 [2024-11-28 04:08:37,231 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:08:37,232 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 76 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:08:37,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 292 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:08:37,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-28 04:08:37,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 201. [2024-11-28 04:08:37,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 138 states have (on average 1.3405797101449275) internal successors, (185), 140 states have internal predecessors, (185), 58 states have call successors, (58), 4 states have call predecessors, (58), 4 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-28 04:08:37,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 301 transitions. [2024-11-28 04:08:37,261 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 301 transitions. Word has length 167 [2024-11-28 04:08:37,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:08:37,261 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 301 transitions. [2024-11-28 04:08:37,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-28 04:08:37,262 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 301 transitions. [2024-11-28 04:08:37,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-28 04:08:37,263 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:08:37,264 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:37,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:08:37,264 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:08:37,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:37,265 INFO L85 PathProgramCache]: Analyzing trace with hash 2087392201, now seen corresponding path program 1 times [2024-11-28 04:08:37,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:37,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703859895] [2024-11-28 04:08:37,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:37,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:37,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-28 04:08:37,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:37,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703859895] [2024-11-28 04:08:37,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703859895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:37,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:37,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:08:37,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113811896] [2024-11-28 04:08:37,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:37,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:08:37,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:37,353 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:08:37,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:08:37,353 INFO L87 Difference]: Start difference. First operand 201 states and 301 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-28 04:08:37,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:08:37,477 INFO L93 Difference]: Finished difference Result 488 states and 718 transitions. [2024-11-28 04:08:37,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:08:37,478 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 167 [2024-11-28 04:08:37,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:08:37,481 INFO L225 Difference]: With dead ends: 488 [2024-11-28 04:08:37,481 INFO L226 Difference]: Without dead ends: 294 [2024-11-28 04:08:37,483 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:08:37,483 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 41 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:08:37,484 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 200 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:08:37,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-11-28 04:08:37,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 279. [2024-11-28 04:08:37,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 205 states have (on average 1.3414634146341464) internal successors, (275), 209 states have internal predecessors, (275), 66 states have call successors, (66), 7 states have call predecessors, (66), 7 states have return successors, (66), 62 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-28 04:08:37,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 407 transitions. [2024-11-28 04:08:37,526 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 407 transitions. Word has length 167 [2024-11-28 04:08:37,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:08:37,528 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 407 transitions. [2024-11-28 04:08:37,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-28 04:08:37,528 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 407 transitions. [2024-11-28 04:08:37,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-28 04:08:37,532 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:08:37,532 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:37,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:08:37,532 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:08:37,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:37,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1413061613, now seen corresponding path program 1 times [2024-11-28 04:08:37,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:37,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14905262] [2024-11-28 04:08:37,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:37,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:43,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-28 04:08:43,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:43,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14905262] [2024-11-28 04:08:43,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14905262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:43,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:43,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 04:08:43,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229402146] [2024-11-28 04:08:43,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:43,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 04:08:43,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:43,272 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 04:08:43,272 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:08:43,273 INFO L87 Difference]: Start difference. First operand 279 states and 407 transitions. Second operand has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-28 04:08:47,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:08:47,042 INFO L93 Difference]: Finished difference Result 806 states and 1145 transitions. [2024-11-28 04:08:47,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 04:08:47,044 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 167 [2024-11-28 04:08:47,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:08:47,048 INFO L225 Difference]: With dead ends: 806 [2024-11-28 04:08:47,048 INFO L226 Difference]: Without dead ends: 695 [2024-11-28 04:08:47,049 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-28 04:08:47,050 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 374 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 1178 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 1199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:08:47,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 549 Invalid, 1199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1178 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-28 04:08:47,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2024-11-28 04:08:47,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 433. [2024-11-28 04:08:47,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 344 states have (on average 1.3895348837209303) internal successors, (478), 351 states have internal predecessors, (478), 78 states have call successors, (78), 10 states have call predecessors, (78), 10 states have return successors, (78), 71 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-28 04:08:47,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 634 transitions. [2024-11-28 04:08:47,127 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 634 transitions. Word has length 167 [2024-11-28 04:08:47,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:08:47,128 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 634 transitions. [2024-11-28 04:08:47,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-28 04:08:47,128 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 634 transitions. [2024-11-28 04:08:47,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-28 04:08:47,132 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:08:47,133 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:47,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:08:47,133 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:08:47,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:47,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1602042005, now seen corresponding path program 1 times [2024-11-28 04:08:47,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:47,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691622830] [2024-11-28 04:08:47,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:47,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:53,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-28 04:08:53,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:53,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691622830] [2024-11-28 04:08:53,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691622830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:53,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:53,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-28 04:08:53,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309074567] [2024-11-28 04:08:53,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:53,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 04:08:53,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:53,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 04:08:53,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:08:53,870 INFO L87 Difference]: Start difference. First operand 433 states and 634 transitions. Second operand has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-28 04:08:57,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:08:57,322 INFO L93 Difference]: Finished difference Result 880 states and 1257 transitions. [2024-11-28 04:08:57,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:08:57,323 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 167 [2024-11-28 04:08:57,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:08:57,327 INFO L225 Difference]: With dead ends: 880 [2024-11-28 04:08:57,328 INFO L226 Difference]: Without dead ends: 632 [2024-11-28 04:08:57,329 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:08:57,330 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 315 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:08:57,330 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 806 Invalid, 698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 679 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-28 04:08:57,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2024-11-28 04:08:57,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 578. [2024-11-28 04:08:57,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 578 states, 461 states have (on average 1.3644251626898047) internal successors, (629), 472 states have internal predecessors, (629), 98 states have call successors, (98), 18 states have call predecessors, (98), 18 states have return successors, (98), 87 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-28 04:08:57,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 825 transitions. [2024-11-28 04:08:57,436 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 825 transitions. Word has length 167 [2024-11-28 04:08:57,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:08:57,437 INFO L471 AbstractCegarLoop]: Abstraction has 578 states and 825 transitions. [2024-11-28 04:08:57,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-28 04:08:57,437 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 825 transitions. [2024-11-28 04:08:57,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-28 04:08:57,440 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:08:57,440 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:57,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 04:08:57,441 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:08:57,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:57,441 INFO L85 PathProgramCache]: Analyzing trace with hash 926849622, now seen corresponding path program 1 times [2024-11-28 04:08:57,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:57,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812065552] [2024-11-28 04:08:57,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:57,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:08:57,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1888369282] [2024-11-28 04:08:57,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:57,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:08:57,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:08:57,537 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:08:57,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:08:57,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:08:57,710 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:08:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:08:57,960 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 04:08:57,960 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 04:08:57,962 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 04:08:57,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:08:58,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-28 04:08:58,172 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:58,366 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:08:58,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:08:58 BoogieIcfgContainer [2024-11-28 04:08:58,375 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:08:58,376 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:08:58,377 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:08:58,377 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:08:58,378 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:07:56" (3/4) ... [2024-11-28 04:08:58,384 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:08:58,385 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:08:58,388 INFO L158 Benchmark]: Toolchain (without parser) took 63099.59ms. Allocated memory was 142.6MB in the beginning and 528.5MB in the end (delta: 385.9MB). Free memory was 118.7MB in the beginning and 232.9MB in the end (delta: -114.2MB). Peak memory consumption was 270.1MB. Max. memory is 16.1GB. [2024-11-28 04:08:58,388 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 142.6MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:08:58,389 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.50ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 104.4MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:08:58,389 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.39ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 101.1MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:08:58,390 INFO L158 Benchmark]: Boogie Preprocessor took 69.69ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 96.4MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:08:58,390 INFO L158 Benchmark]: RCFGBuilder took 840.07ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 71.5MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 04:08:58,390 INFO L158 Benchmark]: TraceAbstraction took 61703.87ms. Allocated memory was 142.6MB in the beginning and 528.5MB in the end (delta: 385.9MB). Free memory was 71.1MB in the beginning and 233.0MB in the end (delta: -161.9MB). Peak memory consumption was 228.2MB. Max. memory is 16.1GB. [2024-11-28 04:08:58,391 INFO L158 Benchmark]: Witness Printer took 8.93ms. Allocated memory is still 528.5MB. Free memory was 233.0MB in the beginning and 232.9MB in the end (delta: 107.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:08:58,394 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 142.6MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.50ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 104.4MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.39ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 101.1MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 69.69ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 96.4MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 840.07ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 71.5MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 61703.87ms. Allocated memory was 142.6MB in the beginning and 528.5MB in the end (delta: 385.9MB). Free memory was 71.1MB in the beginning and 233.0MB in the end (delta: -161.9MB). Peak memory consumption was 228.2MB. Max. memory is 16.1GB. * Witness Printer took 8.93ms. Allocated memory is still 528.5MB. Free memory was 233.0MB in the beginning and 232.9MB in the end (delta: 107.9kB). 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 someBinaryDOUBLEComparisonOperation at line 121, overapproximation of someBinaryDOUBLEComparisonOperation at line 116. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -10; [L23] unsigned char var_1_2 = 1; [L24] signed char var_1_3 = -16; [L25] signed char var_1_4 = 50; [L26] signed char var_1_5 = 4; [L27] unsigned long int var_1_6 = 50; [L28] signed long int var_1_7 = -8; [L29] signed long int var_1_8 = -4; [L30] signed char var_1_9 = 50; [L31] unsigned char var_1_10 = 128; [L32] unsigned char var_1_11 = 5; [L33] unsigned long int var_1_12 = 10; [L34] signed char var_1_13 = 16; [L35] signed long int var_1_14 = 1; [L36] unsigned short int var_1_15 = 128; [L37] signed long int var_1_16 = 2; [L38] unsigned short int var_1_17 = 61498; [L39] unsigned long int var_1_18 = 1; [L40] unsigned char var_1_19 = 0; [L41] double var_1_20 = 4.9; [L42] double var_1_21 = 1.5; VAL [isInitial=0, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=-16, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L125] isInitial = 1 [L126] FCALL initially() [L128] FCALL updateLastVariables() [L129] CALL updateVariables() [L79] var_1_2 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-16, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-16, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L80] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-16, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L81] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=-16, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=-16, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L81] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=-16, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L82] var_1_3 = __VERIFIER_nondet_char() [L83] CALL assume_abort_if_not(var_1_3 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L83] RET assume_abort_if_not(var_1_3 >= -63) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L84] CALL assume_abort_if_not(var_1_3 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L84] RET assume_abort_if_not(var_1_3 <= 63) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L85] var_1_4 = __VERIFIER_nondet_char() [L86] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L86] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L87] CALL assume_abort_if_not(var_1_4 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L87] RET assume_abort_if_not(var_1_4 <= 63) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L88] var_1_5 = __VERIFIER_nondet_char() [L89] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L89] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L90] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L90] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L91] var_1_7 = __VERIFIER_nondet_long() [L92] CALL assume_abort_if_not(var_1_7 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L92] RET assume_abort_if_not(var_1_7 >= -2147483648) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L93] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L93] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L94] CALL assume_abort_if_not(var_1_7 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L94] RET assume_abort_if_not(var_1_7 != 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L95] var_1_8 = __VERIFIER_nondet_long() [L96] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L96] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L97] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L97] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L98] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L98] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L99] var_1_10 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_10 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L100] RET assume_abort_if_not(var_1_10 >= 127) VAL [isInitial=1, var_1_10=127, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L101] CALL assume_abort_if_not(var_1_10 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L101] RET assume_abort_if_not(var_1_10 <= 255) VAL [isInitial=1, var_1_10=127, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L102] var_1_11 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L103] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L104] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L104] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L105] CALL assume_abort_if_not(var_1_11 != 127) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L105] RET assume_abort_if_not(var_1_11 != 127) VAL [isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L106] var_1_14 = __VERIFIER_nondet_long() [L107] CALL assume_abort_if_not(var_1_14 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L107] RET assume_abort_if_not(var_1_14 >= -2147483648) VAL [isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L108] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L108] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L109] var_1_16 = __VERIFIER_nondet_long() [L110] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L110] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L111] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L111] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L112] var_1_17 = __VERIFIER_nondet_ushort() [L113] CALL assume_abort_if_not(var_1_17 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L113] RET assume_abort_if_not(var_1_17 >= 32767) VAL [isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L114] CALL assume_abort_if_not(var_1_17 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L114] RET assume_abort_if_not(var_1_17 <= 65534) VAL [isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L115] var_1_21 = __VERIFIER_nondet_double() [L116] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L116] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L129] RET updateVariables() [L130] CALL step() [L46] COND TRUE \read(var_1_2) [L47] var_1_1 = (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))) VAL [isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=1, var_1_20=49/10, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L49] COND FALSE !(-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) VAL [isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=1, var_1_20=49/10, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L54] EXPR var_1_8 & var_1_4 VAL [isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=1, var_1_20=49/10, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L54] COND FALSE !(var_1_6 <= (var_1_8 & var_1_4)) [L59] var_1_9 = var_1_4 VAL [isInitial=1, var_1_10=127, var_1_11=2, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=1, var_1_20=49/10, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L61] COND TRUE var_1_3 <= var_1_1 [L62] var_1_12 = var_1_4 VAL [isInitial=1, var_1_10=127, var_1_11=2, var_1_12=0, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=1, var_1_20=49/10, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L66] COND TRUE (~ var_1_3) < var_1_14 [L67] var_1_13 = (((((var_1_4 + var_1_3)) > (-5)) ? ((var_1_4 + var_1_3)) : (-5))) VAL [isInitial=1, var_1_10=127, var_1_11=2, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=1, var_1_20=49/10, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L69] EXPR (var_1_4 + var_1_14) & var_1_7 VAL [isInitial=1, var_1_10=127, var_1_11=2, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=1, var_1_20=49/10, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L69] COND TRUE ((var_1_4 + var_1_14) & var_1_7) <= (var_1_10 - ((((var_1_11) < (var_1_16)) ? (var_1_11) : (var_1_16)))) [L70] var_1_15 = (var_1_11 + 64) VAL [isInitial=1, var_1_10=127, var_1_11=2, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=66, var_1_16=0, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=1, var_1_20=49/10, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L74] var_1_18 = var_1_17 [L75] var_1_19 = 0 [L76] var_1_20 = var_1_21 VAL [isInitial=1, var_1_10=127, var_1_11=2, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=66, var_1_16=0, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=1, var_1_20=2, var_1_21=2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L130] RET step() [L131] CALL, EXPR property() [L121] EXPR ((var_1_2 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((var_1_6 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4))) VAL [isInitial=1, var_1_10=127, var_1_11=2, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=66, var_1_16=0, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=1, var_1_20=2, var_1_21=2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L121] EXPR var_1_8 & var_1_4 VAL [isInitial=1, var_1_10=127, var_1_11=2, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=66, var_1_16=0, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=1, var_1_20=2, var_1_21=2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L121] EXPR ((var_1_2 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((var_1_6 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4))) VAL [isInitial=1, var_1_10=127, var_1_11=2, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=66, var_1_16=0, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=1, var_1_20=2, var_1_21=2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L121] EXPR (((((var_1_2 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((var_1_6 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4)))) && ((var_1_3 <= var_1_1) ? (var_1_12 == ((unsigned long int) var_1_4)) : (var_1_12 == ((unsigned long int) (((((var_1_11 + var_1_4)) < (var_1_10)) ? ((var_1_11 + var_1_4)) : (var_1_10))))))) && (((~ var_1_3) < var_1_14) ? (var_1_13 == ((signed char) (((((var_1_4 + var_1_3)) > (-5)) ? ((var_1_4 + var_1_3)) : (-5))))) : 1)) && ((((var_1_4 + var_1_14) & var_1_7) <= (var_1_10 - ((((var_1_11) < (var_1_16)) ? (var_1_11) : (var_1_16))))) ? (var_1_15 == ((unsigned short int) (var_1_11 + 64))) : (var_1_15 == ((unsigned short int) ((((((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) > (var_1_11)) ? (((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) : (var_1_11)))))) VAL [isInitial=1, var_1_10=127, var_1_11=2, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=66, var_1_16=0, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=1, var_1_20=2, var_1_21=2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L121] EXPR (var_1_4 + var_1_14) & var_1_7 VAL [isInitial=1, var_1_10=127, var_1_11=2, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=66, var_1_16=0, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=1, var_1_20=2, var_1_21=2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L121] EXPR (((((var_1_2 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((var_1_6 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4)))) && ((var_1_3 <= var_1_1) ? (var_1_12 == ((unsigned long int) var_1_4)) : (var_1_12 == ((unsigned long int) (((((var_1_11 + var_1_4)) < (var_1_10)) ? ((var_1_11 + var_1_4)) : (var_1_10))))))) && (((~ var_1_3) < var_1_14) ? (var_1_13 == ((signed char) (((((var_1_4 + var_1_3)) > (-5)) ? ((var_1_4 + var_1_3)) : (-5))))) : 1)) && ((((var_1_4 + var_1_14) & var_1_7) <= (var_1_10 - ((((var_1_11) < (var_1_16)) ? (var_1_11) : (var_1_16))))) ? (var_1_15 == ((unsigned short int) (var_1_11 + 64))) : (var_1_15 == ((unsigned short int) ((((((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) > (var_1_11)) ? (((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) : (var_1_11)))))) VAL [isInitial=1, var_1_10=127, var_1_11=2, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=66, var_1_16=0, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=1, var_1_20=2, var_1_21=2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L121-L122] return ((((((((var_1_2 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((var_1_6 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4)))) && ((var_1_3 <= var_1_1) ? (var_1_12 == ((unsigned long int) var_1_4)) : (var_1_12 == ((unsigned long int) (((((var_1_11 + var_1_4)) < (var_1_10)) ? ((var_1_11 + var_1_4)) : (var_1_10))))))) && (((~ var_1_3) < var_1_14) ? (var_1_13 == ((signed char) (((((var_1_4 + var_1_3)) > (-5)) ? ((var_1_4 + var_1_3)) : (-5))))) : 1)) && ((((var_1_4 + var_1_14) & var_1_7) <= (var_1_10 - ((((var_1_11) < (var_1_16)) ? (var_1_11) : (var_1_16))))) ? (var_1_15 == ((unsigned short int) (var_1_11 + 64))) : (var_1_15 == ((unsigned short int) ((((((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) > (var_1_11)) ? (((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) : (var_1_11))))))) && (var_1_18 == ((unsigned long int) var_1_17))) && (var_1_19 == ((unsigned char) 0))) && (var_1_20 == ((double) var_1_21)) ; [L131] RET, EXPR property() [L131] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=127, var_1_11=2, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=66, var_1_16=0, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=1, var_1_20=2, var_1_21=2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_10=127, var_1_11=2, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=66, var_1_16=0, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=1, var_1_20=2, var_1_21=2, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 61.4s, OverallIterations: 12, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 18.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1819 SdHoareTripleChecker+Valid, 14.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1819 mSDsluCounter, 4527 SdHoareTripleChecker+Invalid, 13.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3179 mSDsCounter, 106 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4299 IncrementalHoareTripleChecker+Invalid, 4405 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 106 mSolverCounterUnsat, 1348 mSDtfsCounter, 4299 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 281 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 12.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=578occurred in iteration=11, InterpolantAutomatonStates: 74, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 623 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 40.3s InterpolantComputationTime, 2324 NumberOfCodeBlocks, 2324 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1976 ConstructedInterpolants, 0 QuantifiedInterpolants, 14353 SizeOfPredicates, 0 NumberOfNonLiveVariables, 368 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 15550/15600 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 04:08:58,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6814e4b1182b075f519057bacd5c07f341f45068ab378c95bdf1e389d807335f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:09:01,570 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:09:01,741 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 04:09:01,748 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:09:01,748 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:09:01,798 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:09:01,799 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:09:01,799 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:09:01,799 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:09:01,799 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:09:01,799 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:09:01,800 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:09:01,800 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:09:01,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:09:01,800 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:09:01,800 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:09:01,800 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:09:01,801 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:09:01,801 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:09:01,801 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:09:01,801 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:09:01,801 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:09:01,801 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:09:01,801 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:09:01,801 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 04:09:01,801 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 04:09:01,801 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:09:01,802 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:09:01,802 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:09:01,802 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:09:01,802 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:09:01,802 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:09:01,802 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:09:01,802 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:09:01,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:09:01,802 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:09:01,802 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:09:01,802 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:09:01,803 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:09:01,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:09:01,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:09:01,803 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:09:01,803 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:09:01,803 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:09:01,803 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 04:09:01,803 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 04:09:01,803 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:09:01,803 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:09:01,803 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:09:01,804 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:09:01,804 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_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6814e4b1182b075f519057bacd5c07f341f45068ab378c95bdf1e389d807335f [2024-11-28 04:09:02,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:09:02,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:09:02,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:09:02,148 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:09:02,148 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:09:02,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-84.i [2024-11-28 04:09:05,237 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/data/d41d6266c/4bf026689735418fa50a110bc2d83986/FLAG26a67260a [2024-11-28 04:09:05,505 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:09:05,507 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-84.i [2024-11-28 04:09:05,515 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/data/d41d6266c/4bf026689735418fa50a110bc2d83986/FLAG26a67260a [2024-11-28 04:09:05,533 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/data/d41d6266c/4bf026689735418fa50a110bc2d83986 [2024-11-28 04:09:05,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:09:05,538 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:09:05,540 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:09:05,540 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:09:05,545 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:09:05,546 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:09:05" (1/1) ... [2024-11-28 04:09:05,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23d37c4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:05, skipping insertion in model container [2024-11-28 04:09:05,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:09:05" (1/1) ... [2024-11-28 04:09:05,569 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:09:05,710 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_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-84.i[913,926] [2024-11-28 04:09:05,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:09:05,798 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:09:05,814 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_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-84.i[913,926] [2024-11-28 04:09:05,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:09:05,874 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:09:05,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:05 WrapperNode [2024-11-28 04:09:05,875 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:09:05,876 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:09:05,876 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:09:05,876 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:09:05,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:05" (1/1) ... [2024-11-28 04:09:05,892 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:05" (1/1) ... [2024-11-28 04:09:05,922 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 136 [2024-11-28 04:09:05,922 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:09:05,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:09:05,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:09:05,923 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:09:05,930 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:05" (1/1) ... [2024-11-28 04:09:05,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:05" (1/1) ... [2024-11-28 04:09:05,934 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:05" (1/1) ... [2024-11-28 04:09:05,945 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 04:09:05,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:05" (1/1) ... [2024-11-28 04:09:05,945 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:05" (1/1) ... [2024-11-28 04:09:05,954 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:05" (1/1) ... [2024-11-28 04:09:05,955 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:05" (1/1) ... [2024-11-28 04:09:05,958 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:05" (1/1) ... [2024-11-28 04:09:05,960 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:05" (1/1) ... [2024-11-28 04:09:05,961 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:05" (1/1) ... [2024-11-28 04:09:05,964 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:09:05,965 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:09:05,965 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:09:05,965 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:09:05,966 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:05" (1/1) ... [2024-11-28 04:09:05,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:09:05,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:06,008 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:06,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:09:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:09:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 04:09:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:09:06,042 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:09:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:09:06,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:09:06,154 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:09:06,156 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:09:06,734 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-28 04:09:06,734 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:09:06,745 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:09:06,745 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:09:06,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:09:06 BoogieIcfgContainer [2024-11-28 04:09:06,746 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:09:06,748 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:09:06,748 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:09:06,753 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:09:06,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:09:05" (1/3) ... [2024-11-28 04:09:06,754 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7702c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:09:06, skipping insertion in model container [2024-11-28 04:09:06,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:05" (2/3) ... [2024-11-28 04:09:06,755 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7702c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:09:06, skipping insertion in model container [2024-11-28 04:09:06,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:09:06" (3/3) ... [2024-11-28 04:09:06,756 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-84.i [2024-11-28 04:09:06,771 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:09:06,773 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_normal_file-84.i that has 2 procedures, 66 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:09:06,842 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:09:06,854 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;@60270bd5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:09:06,855 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:09:06,860 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 38 states have internal predecessors, (50), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-28 04:09:06,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-28 04:09:06,872 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:09:06,873 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:09:06,874 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:09:06,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:06,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1717553308, now seen corresponding path program 1 times [2024-11-28 04:09:06,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:09:06,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1746403558] [2024-11-28 04:09:06,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:06,889 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:09:06,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:09:06,891 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:09:06,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-28 04:09:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:07,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:09:07,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:07,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2024-11-28 04:09:07,296 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:09:07,296 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:09:07,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1746403558] [2024-11-28 04:09:07,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1746403558] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:09:07,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:09:07,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:09:07,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850061128] [2024-11-28 04:09:07,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:09:07,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:09:07,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:09:07,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:09:07,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:09:07,334 INFO L87 Difference]: Start difference. First operand has 66 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 38 states have internal predecessors, (50), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-28 04:09:07,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:09:07,373 INFO L93 Difference]: Finished difference Result 125 states and 224 transitions. [2024-11-28 04:09:07,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:09:07,376 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 158 [2024-11-28 04:09:07,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:09:07,385 INFO L225 Difference]: With dead ends: 125 [2024-11-28 04:09:07,385 INFO L226 Difference]: Without dead ends: 62 [2024-11-28 04:09:07,389 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:09:07,393 INFO L435 NwaCegarLoop]: 95 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, 95 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:09:07,394 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:09:07,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-28 04:09:07,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-28 04:09:07,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 34 states have internal predecessors, (43), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-28 04:09:07,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 95 transitions. [2024-11-28 04:09:07,449 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 95 transitions. Word has length 158 [2024-11-28 04:09:07,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:09:07,451 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 95 transitions. [2024-11-28 04:09:07,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-28 04:09:07,451 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 95 transitions. [2024-11-28 04:09:07,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-28 04:09:07,459 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:09:07,459 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:09:07,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-28 04:09:07,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:09:07,660 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:09:07,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:07,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1919460064, now seen corresponding path program 1 times [2024-11-28 04:09:07,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:09:07,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1897689575] [2024-11-28 04:09:07,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:07,663 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:09:07,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:09:07,666 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:09:07,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcbc70bd-65fe-4a7a-acfe-e5149776c84d/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-28 04:09:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:07,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-28 04:09:07,991 INFO L279 TraceCheckSpWp]: Computing forward predicates...