./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.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_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/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_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/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_58da8269-1827-4a10-8070-fdf9fa90b96a/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 2a8173a95b98f2f1ade3ddbfa72a82a390b4308045cd4f85b878a79ad12c3bb8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:01:11,722 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:01:11,845 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:01:11,850 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:01:11,851 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:01:11,897 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:01:11,898 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:01:11,898 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:01:11,899 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:01:11,899 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:01:11,900 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:01:11,900 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:01:11,901 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:01:11,901 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:01:11,901 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:01:11,901 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:01:11,903 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:01:11,903 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:01:11,903 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:01:11,903 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:01:11,904 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:01:11,904 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:01:11,904 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:01:11,904 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:01:11,904 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:01:11,904 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:01:11,904 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:01:11,905 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:01:11,905 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:01:11,905 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:01:11,905 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:01:11,905 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:01:11,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:01:11,905 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:01:11,905 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:01:11,905 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:01:11,906 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:01:11,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:01:11,906 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:01:11,906 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:01:11,906 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:01:11,906 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:01:11,906 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:01:11,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:01:11,906 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:01:11,906 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:01:11,907 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:01:11,907 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:01:11,907 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_58da8269-1827-4a10-8070-fdf9fa90b96a/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 -> 2a8173a95b98f2f1ade3ddbfa72a82a390b4308045cd4f85b878a79ad12c3bb8 [2024-11-24 01:01:12,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:01:12,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:01:12,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:01:12,332 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:01:12,333 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:01:12,336 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.i [2024-11-24 01:01:15,876 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/data/28b5347d8/443a5ce1b5cd4793bdcf5eb6ebb17b15/FLAGe3bbc410b [2024-11-24 01:01:16,202 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:01:16,203 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.i [2024-11-24 01:01:16,211 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/data/28b5347d8/443a5ce1b5cd4793bdcf5eb6ebb17b15/FLAGe3bbc410b [2024-11-24 01:01:16,473 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/data/28b5347d8/443a5ce1b5cd4793bdcf5eb6ebb17b15 [2024-11-24 01:01:16,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:01:16,477 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:01:16,479 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:01:16,479 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:01:16,487 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:01:16,488 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:01:16" (1/1) ... [2024-11-24 01:01:16,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24aaf659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:16, skipping insertion in model container [2024-11-24 01:01:16,492 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:01:16" (1/1) ... [2024-11-24 01:01:16,513 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:01:16,708 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_58da8269-1827-4a10-8070-fdf9fa90b96a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.i[915,928] [2024-11-24 01:01:16,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:01:16,759 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:01:16,772 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_58da8269-1827-4a10-8070-fdf9fa90b96a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.i[915,928] [2024-11-24 01:01:16,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:01:16,809 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:01:16,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:16 WrapperNode [2024-11-24 01:01:16,810 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:01:16,811 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:01:16,811 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:01:16,812 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:01:16,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:16" (1/1) ... [2024-11-24 01:01:16,829 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:16" (1/1) ... [2024-11-24 01:01:16,863 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 84 [2024-11-24 01:01:16,863 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:01:16,864 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:01:16,864 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:01:16,864 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:01:16,876 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:16" (1/1) ... [2024-11-24 01:01:16,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:16" (1/1) ... [2024-11-24 01:01:16,880 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:16" (1/1) ... [2024-11-24 01:01:16,910 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 01:01:16,910 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:16" (1/1) ... [2024-11-24 01:01:16,910 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:16" (1/1) ... [2024-11-24 01:01:16,924 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:16" (1/1) ... [2024-11-24 01:01:16,925 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:16" (1/1) ... [2024-11-24 01:01:16,933 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:16" (1/1) ... [2024-11-24 01:01:16,934 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:16" (1/1) ... [2024-11-24 01:01:16,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:16" (1/1) ... [2024-11-24 01:01:16,941 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:01:16,942 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:01:16,946 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:01:16,946 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:01:16,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:16" (1/1) ... [2024-11-24 01:01:16,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:01:16,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:01:16,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:01:17,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:01:17,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:01:17,040 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:01:17,041 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:01:17,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:01:17,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:01:17,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:01:17,137 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:01:17,140 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:01:17,363 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-24 01:01:17,364 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:01:17,376 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:01:17,376 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:01:17,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:01:17 BoogieIcfgContainer [2024-11-24 01:01:17,377 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:01:17,380 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:01:17,380 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:01:17,385 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:01:17,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:01:16" (1/3) ... [2024-11-24 01:01:17,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57d36e78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:01:17, skipping insertion in model container [2024-11-24 01:01:17,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:16" (2/3) ... [2024-11-24 01:01:17,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57d36e78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:01:17, skipping insertion in model container [2024-11-24 01:01:17,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:01:17" (3/3) ... [2024-11-24 01:01:17,388 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-28.i [2024-11-24 01:01:17,407 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:01:17,411 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-28.i that has 2 procedures, 39 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:01:17,502 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:01:17,525 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;@20992f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:01:17,525 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:01:17,530 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 25 states have (on average 1.24) internal successors, (31), 26 states have internal predecessors, (31), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-24 01:01:17,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-24 01:01:17,543 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:01:17,544 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:01:17,544 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:01:17,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:01:17,551 INFO L85 PathProgramCache]: Analyzing trace with hash 707699992, now seen corresponding path program 1 times [2024-11-24 01:01:17,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:01:17,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508405075] [2024-11-24 01:01:17,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:01:17,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:01:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:01:17,944 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-24 01:01:17,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:01:17,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508405075] [2024-11-24 01:01:17,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508405075] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:01:17,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367153078] [2024-11-24 01:01:17,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:01:17,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:01:17,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:01:17,950 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:01:17,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:01:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:01:18,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:01:18,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:01:18,197 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-24 01:01:18,197 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:01:18,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367153078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:01:18,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:01:18,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 01:01:18,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294088755] [2024-11-24 01:01:18,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:01:18,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:01:18,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:01:18,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:01:18,242 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:01:18,243 INFO L87 Difference]: Start difference. First operand has 39 states, 25 states have (on average 1.24) internal successors, (31), 26 states have internal predecessors, (31), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 01:01:18,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:01:18,280 INFO L93 Difference]: Finished difference Result 71 states and 111 transitions. [2024-11-24 01:01:18,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:01:18,282 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 73 [2024-11-24 01:01:18,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:01:18,289 INFO L225 Difference]: With dead ends: 71 [2024-11-24 01:01:18,289 INFO L226 Difference]: Without dead ends: 35 [2024-11-24 01:01:18,293 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 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 01:01:18,297 INFO L435 NwaCegarLoop]: 46 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, 46 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 01:01:18,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:01:18,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-24 01:01:18,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-11-24 01:01:18,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 22 states have internal predecessors, (24), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-24 01:01:18,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 46 transitions. [2024-11-24 01:01:18,342 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 46 transitions. Word has length 73 [2024-11-24 01:01:18,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:01:18,343 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 46 transitions. [2024-11-24 01:01:18,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 01:01:18,343 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2024-11-24 01:01:18,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-24 01:01:18,346 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:01:18,346 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:01:18,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:01:18,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 01:01:18,550 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:01:18,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:01:18,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1841486162, now seen corresponding path program 1 times [2024-11-24 01:01:18,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:01:18,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735929987] [2024-11-24 01:01:18,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:01:18,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:01:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:01:18,748 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:01:18,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:01:18,877 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 01:01:18,877 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:01:18,879 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:01:18,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:01:18,888 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-24 01:01:18,950 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:01:18,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:01:18 BoogieIcfgContainer [2024-11-24 01:01:18,954 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:01:18,954 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:01:18,954 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:01:18,955 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:01:18,955 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:01:17" (3/4) ... [2024-11-24 01:01:18,958 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 01:01:18,958 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:01:18,959 INFO L158 Benchmark]: Toolchain (without parser) took 2482.23ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 71.2MB in the end (delta: 21.3MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2024-11-24 01:01:18,959 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:01:18,960 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.66ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 80.4MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:01:18,960 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.95ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 78.9MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:01:18,961 INFO L158 Benchmark]: Boogie Preprocessor took 77.25ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 77.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:01:18,961 INFO L158 Benchmark]: RCFGBuilder took 435.20ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 65.5MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:01:18,961 INFO L158 Benchmark]: TraceAbstraction took 1573.94ms. Allocated memory is still 117.4MB. Free memory was 65.0MB in the beginning and 71.8MB in the end (delta: -6.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:01:18,962 INFO L158 Benchmark]: Witness Printer took 4.00ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 71.2MB in the end (delta: 545.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:01:18,964 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.66ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 80.4MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.95ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 78.9MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.25ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 77.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 435.20ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 65.5MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1573.94ms. Allocated memory is still 117.4MB. Free memory was 65.0MB in the beginning and 71.8MB in the end (delta: -6.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.00ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 71.2MB in the end (delta: 545.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 47, overapproximation of someBinaryDOUBLEComparisonOperation at line 36, overapproximation of someBinaryDOUBLEComparisonOperation at line 54, overapproximation of someBinaryDOUBLEComparisonOperation at line 49, overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of someBinaryDOUBLEComparisonOperation at line 51, overapproximation of someBinaryDOUBLEComparisonOperation at line 68. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -10; [L23] double var_1_2 = 10.6; [L24] double var_1_3 = 1.8; [L25] double var_1_4 = 31.8; [L26] double var_1_5 = 24.25; [L27] signed char var_1_6 = 1; [L28] signed char var_1_7 = -25; [L29] unsigned char var_1_8 = 1; [L30] unsigned char var_1_9 = 0; [L31] unsigned char var_1_10 = 0; [L32] unsigned char var_1_11 = 8; VAL [isInitial=0, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_2=53/5, var_1_3=9/5, var_1_4=159/5, var_1_5=97/4, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L72] isInitial = 1 [L73] FCALL initially() [L75] FCALL updateLastVariables() [L76] CALL updateVariables() [L46] var_1_2 = __VERIFIER_nondet_double() [L47] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_3=9/5, var_1_4=159/5, var_1_5=97/4, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_3=9/5, var_1_4=159/5, var_1_5=97/4, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L47] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_3=9/5, var_1_4=159/5, var_1_5=97/4, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L48] var_1_3 = __VERIFIER_nondet_double() [L49] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_4=159/5, var_1_5=97/4, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_4=159/5, var_1_5=97/4, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L49] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_4=159/5, var_1_5=97/4, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L50] var_1_4 = __VERIFIER_nondet_double() [L51] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_5=97/4, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_5=97/4, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L51] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_5=97/4, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L52] var_1_5 = __VERIFIER_nondet_double() [L53] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L53] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L54] CALL assume_abort_if_not(var_1_5 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L54] RET assume_abort_if_not(var_1_5 != 0.0F) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L55] var_1_6 = __VERIFIER_nondet_char() [L56] CALL assume_abort_if_not(var_1_6 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-25, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-25, var_1_8=1, var_1_9=0] [L56] RET assume_abort_if_not(var_1_6 >= -127) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-25, var_1_8=1, var_1_9=0] [L57] CALL assume_abort_if_not(var_1_6 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-25, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-25, var_1_8=1, var_1_9=0] [L57] RET assume_abort_if_not(var_1_6 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-25, var_1_8=1, var_1_9=0] [L58] var_1_7 = __VERIFIER_nondet_char() [L59] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-1, var_1_8=1, var_1_9=0] [L59] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-1, var_1_8=1, var_1_9=0] [L60] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-1, var_1_8=1, var_1_9=0] [L60] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-1, var_1_8=1, var_1_9=0] [L61] var_1_9 = __VERIFIER_nondet_uchar() [L62] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-1, var_1_8=1] [L62] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-1, var_1_8=1] [L63] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-1, var_1_8=1, var_1_9=0] [L63] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-1, var_1_8=1, var_1_9=0] [L76] RET updateVariables() [L77] CALL step() [L36] COND TRUE var_1_2 > ((var_1_3 * var_1_4) / var_1_5) [L37] var_1_1 = ((((var_1_6) < (var_1_7)) ? (var_1_6) : (var_1_7))) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-2, var_1_6=-2, var_1_7=-1, var_1_8=1, var_1_9=0] [L41] var_1_8 = var_1_9 [L42] var_1_10 = var_1_9 [L43] var_1_11 = 10 VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_1=-2, var_1_6=-2, var_1_7=-1, var_1_8=0, var_1_9=0] [L77] RET step() [L78] CALL, EXPR property() [L68-L69] return ((((var_1_2 > ((var_1_3 * var_1_4) / var_1_5)) ? (var_1_1 == ((signed char) ((((var_1_6) < (var_1_7)) ? (var_1_6) : (var_1_7))))) : (var_1_1 == ((signed char) var_1_7))) && (var_1_8 == ((unsigned char) var_1_9))) && (var_1_10 == ((unsigned char) var_1_9))) && (var_1_11 == ((unsigned char) 10)) ; VAL [\result=0, isInitial=1, var_1_10=0, var_1_11=10, var_1_1=-2, var_1_6=-2, var_1_7=-1, var_1_8=0, var_1_9=0] [L78] RET, EXPR property() [L78] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_1=-2, var_1_6=-2, var_1_7=-1, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_1=-2, var_1_6=-2, var_1_7=-1, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 11, 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, 46 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, 46 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 219 NumberOfCodeBlocks, 219 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 180 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 420/440 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 01:01:18,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/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_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/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_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/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_58da8269-1827-4a10-8070-fdf9fa90b96a/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 2a8173a95b98f2f1ade3ddbfa72a82a390b4308045cd4f85b878a79ad12c3bb8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:01:22,210 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:01:22,387 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 01:01:22,411 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:01:22,411 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:01:22,461 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:01:22,463 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:01:22,463 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:01:22,464 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:01:22,464 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:01:22,465 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:01:22,465 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:01:22,466 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:01:22,466 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:01:22,467 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:01:22,467 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:01:22,467 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:01:22,468 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:01:22,468 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:01:22,468 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:01:22,468 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:01:22,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:01:22,469 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:01:22,469 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 01:01:22,469 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 01:01:22,469 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 01:01:22,469 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:01:22,470 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:01:22,470 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:01:22,470 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:01:22,470 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:01:22,470 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:01:22,470 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:01:22,471 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:01:22,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:01:22,472 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:01:22,472 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:01:22,472 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:01:22,472 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:01:22,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:01:22,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:01:22,473 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:01:22,473 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:01:22,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:01:22,473 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 01:01:22,473 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 01:01:22,473 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:01:22,474 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:01:22,474 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:01:22,474 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:01:22,475 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_58da8269-1827-4a10-8070-fdf9fa90b96a/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 -> 2a8173a95b98f2f1ade3ddbfa72a82a390b4308045cd4f85b878a79ad12c3bb8 [2024-11-24 01:01:22,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:01:22,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:01:22,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:01:22,895 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:01:22,895 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:01:22,897 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.i [2024-11-24 01:01:26,523 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/data/f08bbd525/f6eb6e35405d431fad372236735e6594/FLAG71a0da02c [2024-11-24 01:01:26,853 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:01:26,853 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.i [2024-11-24 01:01:26,862 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/data/f08bbd525/f6eb6e35405d431fad372236735e6594/FLAG71a0da02c [2024-11-24 01:01:26,887 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/data/f08bbd525/f6eb6e35405d431fad372236735e6594 [2024-11-24 01:01:26,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:01:26,895 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:01:26,897 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:01:26,899 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:01:26,905 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:01:26,906 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:01:26" (1/1) ... [2024-11-24 01:01:26,907 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ece095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:26, skipping insertion in model container [2024-11-24 01:01:26,907 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:01:26" (1/1) ... [2024-11-24 01:01:26,931 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:01:27,112 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_58da8269-1827-4a10-8070-fdf9fa90b96a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.i[915,928] [2024-11-24 01:01:27,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:01:27,180 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:01:27,194 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_58da8269-1827-4a10-8070-fdf9fa90b96a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.i[915,928] [2024-11-24 01:01:27,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:01:27,235 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:01:27,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:27 WrapperNode [2024-11-24 01:01:27,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:01:27,237 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:01:27,238 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:01:27,239 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:01:27,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:27" (1/1) ... [2024-11-24 01:01:27,266 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:27" (1/1) ... [2024-11-24 01:01:27,308 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 82 [2024-11-24 01:01:27,311 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:01:27,312 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:01:27,314 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:01:27,314 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:01:27,325 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:27" (1/1) ... [2024-11-24 01:01:27,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:27" (1/1) ... [2024-11-24 01:01:27,335 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:27" (1/1) ... [2024-11-24 01:01:27,357 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 01:01:27,359 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:27" (1/1) ... [2024-11-24 01:01:27,359 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:27" (1/1) ... [2024-11-24 01:01:27,383 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:27" (1/1) ... [2024-11-24 01:01:27,384 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:27" (1/1) ... [2024-11-24 01:01:27,391 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:27" (1/1) ... [2024-11-24 01:01:27,395 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:27" (1/1) ... [2024-11-24 01:01:27,401 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:27" (1/1) ... [2024-11-24 01:01:27,404 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:01:27,405 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:01:27,405 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:01:27,406 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:01:27,407 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:27" (1/1) ... [2024-11-24 01:01:27,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:01:27,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:01:27,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:01:27,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:01:27,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:01:27,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 01:01:27,486 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:01:27,486 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:01:27,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:01:27,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:01:27,599 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:01:27,602 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:01:40,514 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-24 01:01:40,515 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:01:40,526 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:01:40,527 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:01:40,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:01:40 BoogieIcfgContainer [2024-11-24 01:01:40,527 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:01:40,530 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:01:40,531 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:01:40,537 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:01:40,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:01:26" (1/3) ... [2024-11-24 01:01:40,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56453b54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:01:40, skipping insertion in model container [2024-11-24 01:01:40,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:01:27" (2/3) ... [2024-11-24 01:01:40,539 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56453b54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:01:40, skipping insertion in model container [2024-11-24 01:01:40,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:01:40" (3/3) ... [2024-11-24 01:01:40,540 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-28.i [2024-11-24 01:01:40,559 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:01:40,561 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-28.i that has 2 procedures, 39 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:01:40,626 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:01:40,641 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;@4596b1f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:01:40,641 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:01:40,646 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 25 states have (on average 1.24) internal successors, (31), 26 states have internal predecessors, (31), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-24 01:01:40,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-24 01:01:40,657 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:01:40,658 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:01:40,659 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:01:40,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:01:40,665 INFO L85 PathProgramCache]: Analyzing trace with hash 707699992, now seen corresponding path program 1 times [2024-11-24 01:01:40,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:01:40,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1986439574] [2024-11-24 01:01:40,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:01:40,680 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 01:01:40,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:01:40,683 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/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 01:01:40,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/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 01:01:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:01:42,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:01:42,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:01:42,099 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-24 01:01:42,099 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:01:42,100 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:01:42,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1986439574] [2024-11-24 01:01:42,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1986439574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:01:42,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:01:42,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:01:42,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341836968] [2024-11-24 01:01:42,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:01:42,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:01:42,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:01:42,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:01:42,137 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:01:42,138 INFO L87 Difference]: Start difference. First operand has 39 states, 25 states have (on average 1.24) internal successors, (31), 26 states have internal predecessors, (31), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-24 01:01:42,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:01:42,171 INFO L93 Difference]: Finished difference Result 71 states and 111 transitions. [2024-11-24 01:01:42,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:01:42,173 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 73 [2024-11-24 01:01:42,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:01:42,180 INFO L225 Difference]: With dead ends: 71 [2024-11-24 01:01:42,180 INFO L226 Difference]: Without dead ends: 35 [2024-11-24 01:01:42,183 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 72 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 01:01:42,187 INFO L435 NwaCegarLoop]: 46 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, 46 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 01:01:42,188 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:01:42,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-24 01:01:42,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-11-24 01:01:42,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 22 states have internal predecessors, (24), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-24 01:01:42,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 46 transitions. [2024-11-24 01:01:42,236 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 46 transitions. Word has length 73 [2024-11-24 01:01:42,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:01:42,237 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 46 transitions. [2024-11-24 01:01:42,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-24 01:01:42,239 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2024-11-24 01:01:42,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-24 01:01:42,243 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:01:42,244 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:01:42,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/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 01:01:42,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/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 01:01:42,445 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:01:42,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:01:42,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1841486162, now seen corresponding path program 1 times [2024-11-24 01:01:42,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:01:42,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [163421901] [2024-11-24 01:01:42,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:01:42,448 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 01:01:42,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:01:42,450 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/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 01:01:42,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/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 01:01:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:01:43,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 01:01:43,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:01:52,123 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:02:00,741 WARN L286 SmtUtils]: Spent 8.61s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:02:08,989 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:02:17,530 WARN L286 SmtUtils]: Spent 8.54s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:02:26,102 WARN L286 SmtUtils]: Spent 8.57s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:02:30,259 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse2 ((_ sign_extend 24) c_~var_1_6~0)) (.cse0 ((_ sign_extend 24) c_~var_1_7~0))) (let ((.cse1 (bvslt .cse2 .cse0))) (or (and (= c_~var_1_1~0 ((_ extract 7 0) .cse0)) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_1~0) .cse1)))) (fp.gt c_~var_1_2~0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0) c_~var_1_5~0))) is different from false [2024-11-24 01:02:34,401 WARN L873 $PredicateComparison]: unable to prove that (and (let ((.cse2 ((_ sign_extend 24) c_~var_1_6~0)) (.cse0 ((_ sign_extend 24) c_~var_1_7~0))) (let ((.cse1 (bvslt .cse2 .cse0))) (or (and (= c_~var_1_1~0 ((_ extract 7 0) .cse0)) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_1~0) .cse1)))) (fp.gt c_~var_1_2~0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0) c_~var_1_5~0))) is different from true [2024-11-24 01:02:39,904 WARN L286 SmtUtils]: Spent 5.46s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:02:48,468 WARN L286 SmtUtils]: Spent 8.56s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:02:57,125 WARN L286 SmtUtils]: Spent 8.66s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:03:05,685 WARN L286 SmtUtils]: Spent 8.56s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:03:14,248 WARN L286 SmtUtils]: Spent 8.56s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:03:22,787 WARN L286 SmtUtils]: Spent 8.54s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:03:31,335 WARN L286 SmtUtils]: Spent 8.55s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:03:39,944 WARN L286 SmtUtils]: Spent 8.61s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:03:44,135 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse2 ((_ sign_extend 24) c_~var_1_6~0)) (.cse0 ((_ sign_extend 24) c_~var_1_7~0))) (let ((.cse1 (bvslt .cse2 .cse0))) (or (and (= c_~var_1_1~0 ((_ extract 7 0) .cse0)) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_1~0) .cse1)))) (= (_ bv10 8) c_~var_1_11~0) (fp.gt c_~var_1_2~0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0) c_~var_1_5~0)) (= c_~var_1_8~0 c_~var_1_9~0) (= c_~var_1_10~0 c_~var_1_9~0)) is different from false [2024-11-24 01:03:48,311 WARN L873 $PredicateComparison]: unable to prove that (and (let ((.cse2 ((_ sign_extend 24) c_~var_1_6~0)) (.cse0 ((_ sign_extend 24) c_~var_1_7~0))) (let ((.cse1 (bvslt .cse2 .cse0))) (or (and (= c_~var_1_1~0 ((_ extract 7 0) .cse0)) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_1~0) .cse1)))) (= (_ bv10 8) c_~var_1_11~0) (fp.gt c_~var_1_2~0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0) c_~var_1_5~0)) (= c_~var_1_8~0 c_~var_1_9~0) (= c_~var_1_10~0 c_~var_1_9~0)) is different from true [2024-11-24 01:04:02,821 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:04:07,121 WARN L851 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_property_#res#1| (_ bv1 32)) (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (~var_1_2~0 (_ FloatingPoint 11 53)) (~var_1_5~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (fp.gt ~var_1_2~0 (fp.div currentRoundingMode (fp.mul currentRoundingMode ~var_1_3~0 ~var_1_4~0) ~var_1_5~0)))) is different from false [2024-11-24 01:04:19,626 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:04:23,822 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (~var_1_2~0 (_ FloatingPoint 11 53)) (~var_1_5~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (fp.gt ~var_1_2~0 (fp.div currentRoundingMode (fp.mul currentRoundingMode ~var_1_3~0 ~var_1_4~0) ~var_1_5~0))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32))) is different from false [2024-11-24 01:04:23,841 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-24 01:04:23,841 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:04:23,841 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:04:23,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [163421901] [2024-11-24 01:04:23,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [163421901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:04:23,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:04:23,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:04:23,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961975275] [2024-11-24 01:04:23,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:04:23,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:04:23,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:04:23,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:04:23,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=3, Unknown=6, NotChecked=12, Total=30 [2024-11-24 01:04:23,850 INFO L87 Difference]: Start difference. First operand 35 states and 46 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-24 01:04:23,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:04:23,863 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2024-11-24 01:04:23,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:04:23,864 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 73 [2024-11-24 01:04:23,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:04:23,865 INFO L225 Difference]: With dead ends: 41 [2024-11-24 01:04:23,866 INFO L226 Difference]: Without dead ends: 39 [2024-11-24 01:04:23,866 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.0s TimeCoverageRelationStatistics Valid=9, Invalid=3, Unknown=6, NotChecked=12, Total=30 [2024-11-24 01:04:23,867 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 114 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:04:23,868 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 114 Unchecked, 0.0s Time] [2024-11-24 01:04:23,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-24 01:04:23,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2024-11-24 01:04:23,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 26 states have (on average 1.0769230769230769) internal successors, (28), 26 states have internal predecessors, (28), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-24 01:04:23,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 50 transitions. [2024-11-24 01:04:23,876 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 50 transitions. Word has length 73 [2024-11-24 01:04:23,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:04:23,878 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 50 transitions. [2024-11-24 01:04:23,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-24 01:04:23,879 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2024-11-24 01:04:23,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-24 01:04:23,881 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:04:23,881 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:04:23,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/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)] Ended with exit code 0 [2024-11-24 01:04:24,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/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 01:04:24,082 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:04:24,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:04:24,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1898744464, now seen corresponding path program 1 times [2024-11-24 01:04:24,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:04:24,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1385251383] [2024-11-24 01:04:24,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:04:24,084 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 01:04:24,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:04:24,088 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/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 01:04:24,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/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 (4)] Waiting until timeout for monitored process [2024-11-24 01:04:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:04:25,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 01:04:25,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:04:34,492 WARN L286 SmtUtils]: Spent 8.83s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:04:42,835 WARN L286 SmtUtils]: Spent 8.34s 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) [2024-11-24 01:04:46,991 WARN L851 $PredicateComparison]: unable to prove that (and (not (fp.gt c_~var_1_2~0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0) c_~var_1_5~0))) (= c_~var_1_7~0 c_~var_1_1~0)) is different from false [2024-11-24 01:04:51,147 WARN L873 $PredicateComparison]: unable to prove that (and (not (fp.gt c_~var_1_2~0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0) c_~var_1_5~0))) (= c_~var_1_7~0 c_~var_1_1~0)) is different from true [2024-11-24 01:04:59,189 WARN L286 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:05:05,895 WARN L286 SmtUtils]: Spent 6.71s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:05:14,447 WARN L286 SmtUtils]: Spent 8.55s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:05:22,778 WARN L286 SmtUtils]: Spent 8.33s 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) [2024-11-24 01:05:31,360 WARN L286 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:05:35,521 WARN L851 $PredicateComparison]: unable to prove that (and (not (fp.gt c_~var_1_2~0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0) c_~var_1_5~0))) (= c_~var_1_7~0 c_~var_1_1~0) (= (_ bv10 8) c_~var_1_11~0) (= c_~var_1_8~0 c_~var_1_9~0) (= c_~var_1_10~0 c_~var_1_9~0)) is different from false [2024-11-24 01:05:39,658 WARN L873 $PredicateComparison]: unable to prove that (and (not (fp.gt c_~var_1_2~0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0) c_~var_1_5~0))) (= c_~var_1_7~0 c_~var_1_1~0) (= (_ bv10 8) c_~var_1_11~0) (= c_~var_1_8~0 c_~var_1_9~0) (= c_~var_1_10~0 c_~var_1_9~0)) is different from true [2024-11-24 01:05:52,591 WARN L286 SmtUtils]: Spent 8.30s 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) [2024-11-24 01:05:57,237 WARN L851 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_property_#res#1| (_ bv1 32)) (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (~var_1_2~0 (_ FloatingPoint 11 53)) (~var_1_5~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (not (fp.gt ~var_1_2~0 (fp.div currentRoundingMode (fp.mul currentRoundingMode ~var_1_3~0 ~var_1_4~0) ~var_1_5~0))))) is different from false [2024-11-24 01:06:09,766 WARN L286 SmtUtils]: Spent 8.31s 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) [2024-11-24 01:06:13,951 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (~var_1_2~0 (_ FloatingPoint 11 53)) (~var_1_5~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (not (fp.gt ~var_1_2~0 (fp.div currentRoundingMode (fp.mul currentRoundingMode ~var_1_3~0 ~var_1_4~0) ~var_1_5~0)))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32))) is different from false [2024-11-24 01:06:13,968 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-24 01:06:13,968 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:06:13,968 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:06:13,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1385251383] [2024-11-24 01:06:13,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1385251383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:06:13,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:06:13,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:06:13,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815315978] [2024-11-24 01:06:13,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:06:13,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:06:13,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:06:13,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:06:13,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=3, Unknown=6, NotChecked=12, Total=30 [2024-11-24 01:06:13,971 INFO L87 Difference]: Start difference. First operand 39 states and 50 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-24 01:06:13,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:06:13,983 INFO L93 Difference]: Finished difference Result 39 states and 50 transitions. [2024-11-24 01:06:13,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:06:13,983 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 73 [2024-11-24 01:06:13,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:06:13,984 INFO L225 Difference]: With dead ends: 39 [2024-11-24 01:06:13,984 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 01:06:13,984 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.0s TimeCoverageRelationStatistics Valid=9, Invalid=3, Unknown=6, NotChecked=12, Total=30 [2024-11-24 01:06:13,985 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 0 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 109 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:06:13,986 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 109 Unchecked, 0.0s Time] [2024-11-24 01:06:13,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 01:06:13,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 01:06:13,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:06:13,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 01:06:13,988 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2024-11-24 01:06:13,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:06:13,988 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 01:06:13,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-24 01:06:13,988 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 01:06:13,989 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 01:06:13,991 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:06:14,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/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 (4)] Ended with exit code 0 [2024-11-24 01:06:14,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/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 01:06:14,195 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-24 01:06:14,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 01:06:14,231 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:06:14,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:06:14 BoogieIcfgContainer [2024-11-24 01:06:14,242 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:06:14,243 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:06:14,244 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:06:14,244 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:06:14,245 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:01:40" (3/4) ... [2024-11-24 01:06:14,248 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 01:06:14,254 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-24 01:06:14,259 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-24 01:06:14,259 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-24 01:06:14,259 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 01:06:14,260 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 01:06:14,350 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:06:14,351 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 01:06:14,351 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:06:14,352 INFO L158 Benchmark]: Toolchain (without parser) took 287457.23ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 91.4MB in the beginning and 120.2MB in the end (delta: -28.8MB). Peak memory consumption was 147.3MB. Max. memory is 16.1GB. [2024-11-24 01:06:14,352 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:06:14,353 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.10ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 78.8MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:06:14,353 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.81ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.3MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:06:14,353 INFO L158 Benchmark]: Boogie Preprocessor took 91.92ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 75.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:06:14,354 INFO L158 Benchmark]: RCFGBuilder took 13122.47ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 62.9MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:06:14,354 INFO L158 Benchmark]: TraceAbstraction took 273712.08ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 62.2MB in the beginning and 124.5MB in the end (delta: -62.3MB). Peak memory consumption was 113.7MB. Max. memory is 16.1GB. [2024-11-24 01:06:14,354 INFO L158 Benchmark]: Witness Printer took 107.46ms. Allocated memory is still 293.6MB. Free memory was 124.5MB in the beginning and 120.2MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:06:14,356 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.10ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 78.8MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.81ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.3MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.92ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 75.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 13122.47ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 62.9MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 273712.08ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 62.2MB in the beginning and 124.5MB in the end (delta: -62.3MB). Peak memory consumption was 113.7MB. Max. memory is 16.1GB. * Witness Printer took 107.46ms. Allocated memory is still 293.6MB. Free memory was 124.5MB in the beginning and 120.2MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 273.6s, OverallIterations: 3, TraceHistogramMax: 11, 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, 305 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 223 IncrementalHoareTripleChecker+Unchecked, 169 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 136 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 216 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 50.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.9s SatisfiabilityAnalysisTime, 268.6s InterpolantComputationTime, 219 NumberOfCodeBlocks, 219 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 216 ConstructedInterpolants, 4 QuantifiedInterpolants, 380 SizeOfPredicates, 24 NumberOfNonLiveVariables, 372 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 660/660 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-24 01:06:14,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58da8269-1827-4a10-8070-fdf9fa90b96a/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE