./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC --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 7b3c7435982770834cfc131463d786948517df0041a2df466feb43cba8dfce9a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:55:47,574 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:55:47,665 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 00:55:47,677 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:55:47,677 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:55:47,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:55:47,704 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:55:47,704 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:55:47,704 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:55:47,704 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:55:47,704 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:55:47,704 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:55:47,705 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:55:47,705 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:55:47,705 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:55:47,705 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:55:47,705 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:55:47,705 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:55:47,705 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:55:47,705 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:55:47,706 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:55:47,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:55:47,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:55:47,706 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:55:47,706 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:55:47,706 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:55:47,706 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:55:47,706 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:55:47,706 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:55:47,706 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:55:47,707 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:55:47,707 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:55:47,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:55:47,707 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:55:47,707 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:55:47,707 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:55:47,707 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:55:47,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:55:47,707 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:55:47,708 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:55:47,708 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:55:47,708 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:55:47,708 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:55:47,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:55:47,708 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:55:47,708 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:55:47,708 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:55:47,708 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:55:47,708 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_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC 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 -> 7b3c7435982770834cfc131463d786948517df0041a2df466feb43cba8dfce9a [2024-11-24 00:55:48,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:55:48,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:55:48,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:55:48,043 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:55:48,044 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:55:48,045 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i [2024-11-24 00:55:51,116 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/data/de495a011/93315d7f2228434f93870568f886bd5b/FLAG8157a5aef [2024-11-24 00:55:51,447 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:55:51,449 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i [2024-11-24 00:55:51,479 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/data/de495a011/93315d7f2228434f93870568f886bd5b/FLAG8157a5aef [2024-11-24 00:55:51,684 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/data/de495a011/93315d7f2228434f93870568f886bd5b [2024-11-24 00:55:51,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:55:51,687 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:55:51,689 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:55:51,689 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:55:51,694 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:55:51,695 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:55:51" (1/1) ... [2024-11-24 00:55:51,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f15c65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:55:51, skipping insertion in model container [2024-11-24 00:55:51,696 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:55:51" (1/1) ... [2024-11-24 00:55:51,719 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:55:51,866 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_9025e670-34d9-43df-914e-767d3b326c09/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i[915,928] [2024-11-24 00:55:51,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:55:51,940 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:55:51,952 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_9025e670-34d9-43df-914e-767d3b326c09/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i[915,928] [2024-11-24 00:55:51,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:55:51,997 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:55:51,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:55:51 WrapperNode [2024-11-24 00:55:51,998 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:55:51,999 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:55:51,999 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:55:51,999 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:55:52,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:55:51" (1/1) ... [2024-11-24 00:55:52,016 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:55:51" (1/1) ... [2024-11-24 00:55:52,043 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 102 [2024-11-24 00:55:52,047 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:55:52,048 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:55:52,048 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:55:52,048 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:55:52,059 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:55:51" (1/1) ... [2024-11-24 00:55:52,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:55:51" (1/1) ... [2024-11-24 00:55:52,061 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:55:51" (1/1) ... [2024-11-24 00:55:52,077 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]. [2024-11-24 00:55:52,077 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:55:51" (1/1) ... [2024-11-24 00:55:52,077 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:55:51" (1/1) ... [2024-11-24 00:55:52,086 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:55:51" (1/1) ... [2024-11-24 00:55:52,090 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:55:51" (1/1) ... [2024-11-24 00:55:52,093 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:55:51" (1/1) ... [2024-11-24 00:55:52,099 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:55:51" (1/1) ... [2024-11-24 00:55:52,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:55:51" (1/1) ... [2024-11-24 00:55:52,105 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:55:52,106 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:55:52,106 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:55:52,106 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:55:52,107 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:55:51" (1/1) ... [2024-11-24 00:55:52,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:55:52,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:55:52,158 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:55:52,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:55:52,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:55:52,186 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:55:52,186 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:55:52,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:55:52,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:55:52,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:55:52,266 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:55:52,268 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:55:52,523 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-24 00:55:52,523 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:55:52,539 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:55:52,539 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:55:52,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:55:52 BoogieIcfgContainer [2024-11-24 00:55:52,540 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:55:52,544 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:55:52,544 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:55:52,549 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:55:52,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:55:51" (1/3) ... [2024-11-24 00:55:52,551 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b34df1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:55:52, skipping insertion in model container [2024-11-24 00:55:52,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:55:51" (2/3) ... [2024-11-24 00:55:52,552 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b34df1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:55:52, skipping insertion in model container [2024-11-24 00:55:52,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:55:52" (3/3) ... [2024-11-24 00:55:52,554 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-62.i [2024-11-24 00:55:52,575 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:55:52,579 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-62.i that has 2 procedures, 46 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:55:52,663 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:55:52,680 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;@19b4d53e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:55:52,680 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:55:52,686 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-24 00:55:52,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-24 00:55:52,696 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:55:52,697 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:55:52,697 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:55:52,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:55:52,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1942112404, now seen corresponding path program 1 times [2024-11-24 00:55:52,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:55:52,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787993205] [2024-11-24 00:55:52,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:55:52,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:55:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:55:52,917 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-24 00:55:52,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:55:52,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787993205] [2024-11-24 00:55:52,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787993205] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:55:52,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796537313] [2024-11-24 00:55:52,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:55:52,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:55:52,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:55:52,930 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:55:52,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:55:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:55:53,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:55:53,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:55:53,132 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-24 00:55:53,135 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:55:53,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796537313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:55:53,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:55:53,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 00:55:53,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063341197] [2024-11-24 00:55:53,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:55:53,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:55:53,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:55:53,160 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:55:53,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:55:53,163 INFO L87 Difference]: Start difference. First operand has 46 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-24 00:55:53,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:55:53,196 INFO L93 Difference]: Finished difference Result 85 states and 140 transitions. [2024-11-24 00:55:53,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:55:53,197 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 91 [2024-11-24 00:55:53,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:55:53,203 INFO L225 Difference]: With dead ends: 85 [2024-11-24 00:55:53,203 INFO L226 Difference]: Without dead ends: 42 [2024-11-24 00:55:53,208 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:55:53,213 INFO L435 NwaCegarLoop]: 59 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, 59 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 [2024-11-24 00:55:53,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:55:53,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-24 00:55:53,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-11-24 00:55:53,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-24 00:55:53,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 59 transitions. [2024-11-24 00:55:53,257 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 59 transitions. Word has length 91 [2024-11-24 00:55:53,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:55:53,258 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 59 transitions. [2024-11-24 00:55:53,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-24 00:55:53,258 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2024-11-24 00:55:53,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-24 00:55:53,261 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:55:53,262 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:55:53,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-24 00:55:53,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 00:55:53,463 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:55:53,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:55:53,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1958631132, now seen corresponding path program 1 times [2024-11-24 00:55:53,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:55:53,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113340689] [2024-11-24 00:55:53,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:55:53,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:55:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:55:53,567 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:55:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:55:53,778 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 00:55:53,778 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 00:55:53,779 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:55:53,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:55:53,786 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-24 00:55:53,881 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:55:53,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:55:53 BoogieIcfgContainer [2024-11-24 00:55:53,887 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:55:53,887 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:55:53,888 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:55:53,888 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:55:53,888 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:55:52" (3/4) ... [2024-11-24 00:55:53,891 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 00:55:53,892 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:55:53,893 INFO L158 Benchmark]: Toolchain (without parser) took 2205.13ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 104.7MB in the end (delta: 14.4MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-11-24 00:55:53,893 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:55:53,894 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.22ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 106.5MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:55:53,894 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.28ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:55:53,894 INFO L158 Benchmark]: Boogie Preprocessor took 58.06ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 103.3MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:55:53,895 INFO L158 Benchmark]: RCFGBuilder took 433.38ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 89.4MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:55:53,895 INFO L158 Benchmark]: TraceAbstraction took 1343.06ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 104.8MB in the end (delta: -15.9MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2024-11-24 00:55:53,895 INFO L158 Benchmark]: Witness Printer took 4.35ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 104.7MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:55:53,900 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.22ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 106.5MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.28ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 58.06ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 103.3MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 433.38ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 89.4MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1343.06ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 104.8MB in the end (delta: -15.9MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. * Witness Printer took 4.35ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 104.7MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 87, overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryFLOATComparisonOperation at line 78, overapproximation of someBinaryFLOATComparisonOperation at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 32; [L23] signed char var_1_2 = -128; [L24] unsigned char var_1_3 = 1; [L25] signed char var_1_4 = -5; [L26] unsigned char var_1_5 = 16; [L27] unsigned char var_1_9 = 25; [L28] float var_1_10 = 2.5; [L29] signed char var_1_11 = 1; [L30] signed char var_1_12 = 4; [L31] float var_1_13 = 7.75; [L32] float var_1_14 = 64.75; [L33] float var_1_15 = 256.52; [L34] float var_1_16 = 3.25; VAL [isInitial=0, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-5, var_1_5=16, var_1_9=25] [L91] isInitial = 1 [L92] FCALL initially() [L94] FCALL updateLastVariables() [L95] CALL updateVariables() [L60] var_1_3 = __VERIFIER_nondet_uchar() [L61] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_4=-5, var_1_5=16, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_4=-5, var_1_5=16, var_1_9=25] [L61] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_4=-5, var_1_5=16, var_1_9=25] [L62] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-5, var_1_5=16, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-5, var_1_5=16, var_1_9=25] [L62] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-5, var_1_5=16, var_1_9=25] [L63] var_1_4 = __VERIFIER_nondet_char() [L64] CALL assume_abort_if_not(var_1_4 >= -126) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=25] [L64] RET assume_abort_if_not(var_1_4 >= -126) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=25] [L65] CALL assume_abort_if_not(var_1_4 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=25] [L65] RET assume_abort_if_not(var_1_4 <= 126) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=25] [L66] var_1_9 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16] [L67] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16] [L68] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L68] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L69] var_1_11 = __VERIFIER_nondet_char() [L70] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L70] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L71] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L71] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L72] var_1_12 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L73] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L74] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L74] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L75] var_1_13 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_13 >= -230584.3009213691390e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 2305843.009213691390e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L76] RET assume_abort_if_not((var_1_13 >= -230584.3009213691390e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 2305843.009213691390e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L77] var_1_14 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L78] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L79] var_1_15 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L80] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L81] var_1_16 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L82] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L95] RET updateVariables() [L96] CALL step() [L38] var_1_1 = (16 - 2) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_1=14, var_1_2=-128, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L39] COND TRUE \read(var_1_3) [L40] var_1_2 = ((((-4) < 0 ) ? -(-4) : (-4))) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=17, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L44] COND FALSE !(var_1_4 < ((16 + var_1_11) - var_1_12)) [L51] var_1_10 = var_1_14 VAL [isInitial=1, var_1_10=261, var_1_11=0, var_1_12=17, var_1_14=261, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=-1, var_1_5=16, var_1_9=254] [L53] COND TRUE (var_1_10 * var_1_10) > var_1_10 [L54] var_1_5 = (((((25) < (5)) ? (25) : (5))) + 10) VAL [isInitial=1, var_1_10=261, var_1_11=0, var_1_12=17, var_1_14=261, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=-1, var_1_5=15, var_1_9=254] [L96] RET step() [L97] CALL, EXPR property() [L87-L88] return (((var_1_1 == ((signed char) (16 - 2))) && (var_1_3 ? (var_1_2 == ((signed char) ((((-4) < 0 ) ? -(-4) : (-4))))) : (var_1_2 == ((signed char) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))))) && (((var_1_10 * var_1_10) > var_1_10) ? (var_1_5 == ((unsigned char) (((((25) < (5)) ? (25) : (5))) + 10))) : (var_1_5 == ((unsigned char) var_1_9)))) && ((var_1_4 < ((16 + var_1_11) - var_1_12)) ? (var_1_3 ? (var_1_10 == ((float) ((var_1_13 + 50.6f) + var_1_14))) : (var_1_10 == ((float) (var_1_15 - var_1_16)))) : (var_1_10 == ((float) var_1_14))) ; VAL [\result=0, isInitial=1, var_1_10=261, var_1_11=0, var_1_12=17, var_1_14=261, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=-1, var_1_5=15, var_1_9=254] [L97] RET, EXPR property() [L97] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=261, var_1_11=0, var_1_12=17, var_1_14=261, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=-1, var_1_5=15, var_1_9=254] [L19] reach_error() VAL [isInitial=1, var_1_10=261, var_1_11=0, var_1_12=17, var_1_14=261, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=-1, var_1_5=15, var_1_9=254] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 59 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 59 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 273 NumberOfCodeBlocks, 273 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 215 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 702/728 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 [2024-11-24 00:55:53,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC --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 7b3c7435982770834cfc131463d786948517df0041a2df466feb43cba8dfce9a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:55:56,660 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:55:56,789 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 00:55:56,795 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:55:56,796 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:55:56,841 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:55:56,843 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:55:56,843 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:55:56,844 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:55:56,844 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:55:56,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:55:56,844 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:55:56,845 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:55:56,845 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:55:56,845 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:55:56,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:55:56,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:55:56,845 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:55:56,845 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:55:56,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:55:56,845 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:55:56,845 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:55:56,846 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:55:56,846 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 00:55:56,846 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 00:55:56,846 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 00:55:56,846 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:55:56,846 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:55:56,846 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:55:56,846 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:55:56,846 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:55:56,847 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:55:56,847 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:55:56,850 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:55:56,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:55:56,850 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:55:56,850 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:55:56,850 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:55:56,851 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:55:56,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:55:56,851 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:55:56,851 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:55:56,851 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:55:56,851 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:55:56,852 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 00:55:56,852 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 00:55:56,852 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:55:56,852 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:55:56,852 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:55:56,853 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:55:56,853 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_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC 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 -> 7b3c7435982770834cfc131463d786948517df0041a2df466feb43cba8dfce9a [2024-11-24 00:55:57,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:55:57,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:55:57,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:55:57,208 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:55:57,210 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:55:57,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i [2024-11-24 00:56:00,385 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/data/f29975b0e/53367402b23349de8b13dbf48bfe1bb0/FLAG946b2344b [2024-11-24 00:56:00,645 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:56:00,646 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i [2024-11-24 00:56:00,654 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/data/f29975b0e/53367402b23349de8b13dbf48bfe1bb0/FLAG946b2344b [2024-11-24 00:56:00,671 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/data/f29975b0e/53367402b23349de8b13dbf48bfe1bb0 [2024-11-24 00:56:00,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:56:00,675 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:56:00,677 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:56:00,677 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:56:00,682 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:56:00,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:56:00" (1/1) ... [2024-11-24 00:56:00,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1536940f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:00, skipping insertion in model container [2024-11-24 00:56:00,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:56:00" (1/1) ... [2024-11-24 00:56:00,701 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:56:00,865 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_9025e670-34d9-43df-914e-767d3b326c09/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i[915,928] [2024-11-24 00:56:00,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:56:00,931 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:56:00,944 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_9025e670-34d9-43df-914e-767d3b326c09/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i[915,928] [2024-11-24 00:56:00,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:56:01,003 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:56:01,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:01 WrapperNode [2024-11-24 00:56:01,004 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:56:01,005 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:56:01,005 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:56:01,005 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:56:01,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:01" (1/1) ... [2024-11-24 00:56:01,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:01" (1/1) ... [2024-11-24 00:56:01,060 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 99 [2024-11-24 00:56:01,064 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:56:01,065 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:56:01,065 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:56:01,065 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:56:01,075 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:01" (1/1) ... [2024-11-24 00:56:01,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:01" (1/1) ... [2024-11-24 00:56:01,083 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:01" (1/1) ... [2024-11-24 00:56:01,107 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]. [2024-11-24 00:56:01,108 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:01" (1/1) ... [2024-11-24 00:56:01,108 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:01" (1/1) ... [2024-11-24 00:56:01,126 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:01" (1/1) ... [2024-11-24 00:56:01,127 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:01" (1/1) ... [2024-11-24 00:56:01,134 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:01" (1/1) ... [2024-11-24 00:56:01,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:01" (1/1) ... [2024-11-24 00:56:01,139 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:01" (1/1) ... [2024-11-24 00:56:01,146 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:56:01,147 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:56:01,151 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:56:01,151 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:56:01,152 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:01" (1/1) ... [2024-11-24 00:56:01,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:56:01,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:56:01,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:56:01,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:56:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:56:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 00:56:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:56:01,237 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:56:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:56:01,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:56:01,339 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:56:01,341 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:56:03,835 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-24 00:56:03,835 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:56:03,846 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:56:03,847 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:56:03,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:56:03 BoogieIcfgContainer [2024-11-24 00:56:03,847 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:56:03,850 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:56:03,850 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:56:03,856 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:56:03,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:56:00" (1/3) ... [2024-11-24 00:56:03,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35f67186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:56:03, skipping insertion in model container [2024-11-24 00:56:03,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:01" (2/3) ... [2024-11-24 00:56:03,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35f67186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:56:03, skipping insertion in model container [2024-11-24 00:56:03,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:56:03" (3/3) ... [2024-11-24 00:56:03,860 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-62.i [2024-11-24 00:56:03,877 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:56:03,879 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-62.i that has 2 procedures, 46 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:56:03,954 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:56:03,968 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;@33ec6b90, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:56:03,969 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:56:03,973 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-24 00:56:03,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-24 00:56:03,984 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:03,985 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:03,986 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:03,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:03,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1942112404, now seen corresponding path program 1 times [2024-11-24 00:56:04,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:56:04,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [193175615] [2024-11-24 00:56:04,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:04,012 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 [2024-11-24 00:56:04,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:56:04,018 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:56:04,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:56:04,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:04,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:56:04,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:56:04,535 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-24 00:56:04,536 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:56:04,540 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:56:04,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [193175615] [2024-11-24 00:56:04,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [193175615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:04,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:04,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:56:04,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911834744] [2024-11-24 00:56:04,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:04,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:56:04,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:56:04,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:56:04,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:56:04,568 INFO L87 Difference]: Start difference. First operand has 46 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-24 00:56:04,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:04,590 INFO L93 Difference]: Finished difference Result 85 states and 140 transitions. [2024-11-24 00:56:04,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:56:04,592 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 91 [2024-11-24 00:56:04,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:04,598 INFO L225 Difference]: With dead ends: 85 [2024-11-24 00:56:04,599 INFO L226 Difference]: Without dead ends: 42 [2024-11-24 00:56:04,602 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:56:04,606 INFO L435 NwaCegarLoop]: 59 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, 59 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 [2024-11-24 00:56:04,607 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:56:04,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-24 00:56:04,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-11-24 00:56:04,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-24 00:56:04,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 59 transitions. [2024-11-24 00:56:04,647 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 59 transitions. Word has length 91 [2024-11-24 00:56:04,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:04,647 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 59 transitions. [2024-11-24 00:56:04,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-24 00:56:04,648 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2024-11-24 00:56:04,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-24 00:56:04,651 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:04,651 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:04,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-24 00:56:04,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:56:04,852 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:04,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:04,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1958631132, now seen corresponding path program 1 times [2024-11-24 00:56:04,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:56:04,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [581071460] [2024-11-24 00:56:04,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:04,854 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 [2024-11-24 00:56:04,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:56:04,858 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:56:04,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9025e670-34d9-43df-914e-767d3b326c09/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:56:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:05,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-24 00:56:05,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:56:49,837 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 123 proven. 6 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-24 00:56:49,838 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:57:21,192 WARN L286 SmtUtils]: Spent 5.26s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)