./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-80.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx --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 85b1d2ec59250ca50e4af3cfea516d1a969ce9b16ea60a43749666e7f67d56c7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:26:53,909 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:26:54,024 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:26:54,032 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:26:54,033 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:26:54,071 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:26:54,072 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:26:54,073 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:26:54,074 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:26:54,079 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:26:54,079 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:26:54,081 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:26:54,081 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:26:54,083 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:26:54,084 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:26:54,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:26:54,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:26:54,085 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:26:54,086 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:26:54,086 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:26:54,087 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:26:54,088 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:26:54,088 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:26:54,089 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:26:54,089 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:26:54,090 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:26:54,090 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:26:54,091 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:26:54,091 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:26:54,092 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:26:54,093 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:26:54,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:26:54,094 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:26:54,094 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:26:54,095 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:26:54,095 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:26:54,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:26:54,096 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:26:54,096 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:26:54,096 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:26:54,097 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:26:54,097 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:26:54,097 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85b1d2ec59250ca50e4af3cfea516d1a969ce9b16ea60a43749666e7f67d56c7 [2023-11-21 22:26:54,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:26:54,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:26:54,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:26:54,471 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:26:54,472 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:26:54,473 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-80.i [2023-11-21 22:26:57,598 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:26:57,887 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:26:57,888 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-80.i [2023-11-21 22:26:57,901 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/data/db008d4ae/7c6db1583412439c824359f4e85c221f/FLAGa6f4a2e33 [2023-11-21 22:26:57,917 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/data/db008d4ae/7c6db1583412439c824359f4e85c221f [2023-11-21 22:26:57,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:26:57,924 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:26:57,925 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:26:57,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:26:57,932 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:26:57,933 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:26:57" (1/1) ... [2023-11-21 22:26:57,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@288d1a03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:57, skipping insertion in model container [2023-11-21 22:26:57,936 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:26:57" (1/1) ... [2023-11-21 22:26:57,968 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:26:58,111 WARN L240 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_ba145d23-a255-49ca-a2da-12306c363c1f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-80.i[915,928] [2023-11-21 22:26:58,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:26:58,150 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:26:58,162 WARN L240 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_ba145d23-a255-49ca-a2da-12306c363c1f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-80.i[915,928] [2023-11-21 22:26:58,176 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:26:58,194 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:26:58,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:58 WrapperNode [2023-11-21 22:26:58,195 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:26:58,196 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:26:58,196 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:26:58,197 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:26:58,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:58" (1/1) ... [2023-11-21 22:26:58,210 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:58" (1/1) ... [2023-11-21 22:26:58,235 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 77 [2023-11-21 22:26:58,236 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:26:58,236 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:26:58,237 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:26:58,237 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:26:58,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:58" (1/1) ... [2023-11-21 22:26:58,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:58" (1/1) ... [2023-11-21 22:26:58,247 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:58" (1/1) ... [2023-11-21 22:26:58,257 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:26:58,257 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:58" (1/1) ... [2023-11-21 22:26:58,258 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:58" (1/1) ... [2023-11-21 22:26:58,263 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:58" (1/1) ... [2023-11-21 22:26:58,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:58" (1/1) ... [2023-11-21 22:26:58,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:58" (1/1) ... [2023-11-21 22:26:58,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:58" (1/1) ... [2023-11-21 22:26:58,272 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:26:58,273 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:26:58,273 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:26:58,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:26:58,274 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:58" (1/1) ... [2023-11-21 22:26:58,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:26:58,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:26:58,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:26:58,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:26:58,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:26:58,353 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:26:58,354 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:26:58,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:26:58,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:26:58,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:26:58,427 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:26:58,430 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:26:58,618 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:26:58,710 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:26:58,710 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:26:58,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:26:58 BoogieIcfgContainer [2023-11-21 22:26:58,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:26:58,715 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:26:58,716 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:26:58,719 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:26:58,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:26:57" (1/3) ... [2023-11-21 22:26:58,721 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@213f0d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:26:58, skipping insertion in model container [2023-11-21 22:26:58,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:58" (2/3) ... [2023-11-21 22:26:58,721 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@213f0d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:26:58, skipping insertion in model container [2023-11-21 22:26:58,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:26:58" (3/3) ... [2023-11-21 22:26:58,723 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-80.i [2023-11-21 22:26:58,752 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:26:58,752 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:26:58,806 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:26:58,813 INFO L357 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, mHoare=true, 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;@65def9f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:26:58,813 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:26:58,817 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-21 22:26:58,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 22:26:58,826 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:26:58,827 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:26:58,827 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:26:58,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:26:58,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1376306872, now seen corresponding path program 1 times [2023-11-21 22:26:58,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:26:58,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246190068] [2023-11-21 22:26:58,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:26:58,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:26:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:26:59,059 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:26:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:26:59,273 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:26:59,276 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:26:59,290 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:26:59,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:26:59,297 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:26:59,311 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:26:59,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:26:59 BoogieIcfgContainer [2023-11-21 22:26:59,380 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:26:59,381 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:26:59,381 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:26:59,381 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:26:59,382 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:26:58" (3/4) ... [2023-11-21 22:26:59,384 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:26:59,386 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:26:59,387 INFO L158 Benchmark]: Toolchain (without parser) took 1463.01ms. Allocated memory is still 148.9MB. Free memory was 117.5MB in the beginning and 115.8MB in the end (delta: 1.7MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2023-11-21 22:26:59,388 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 115.3MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:26:59,388 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.04ms. Allocated memory is still 148.9MB. Free memory was 117.1MB in the beginning and 106.0MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:26:59,389 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.69ms. Allocated memory is still 148.9MB. Free memory was 106.0MB in the beginning and 104.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:26:59,390 INFO L158 Benchmark]: Boogie Preprocessor took 36.00ms. Allocated memory is still 148.9MB. Free memory was 104.1MB in the beginning and 102.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:26:59,391 INFO L158 Benchmark]: RCFGBuilder took 439.53ms. Allocated memory is still 148.9MB. Free memory was 102.1MB in the beginning and 86.2MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 22:26:59,391 INFO L158 Benchmark]: TraceAbstraction took 664.77ms. Allocated memory is still 148.9MB. Free memory was 85.3MB in the beginning and 115.8MB in the end (delta: -30.5MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2023-11-21 22:26:59,392 INFO L158 Benchmark]: Witness Printer took 5.05ms. Allocated memory is still 148.9MB. Free memory is still 115.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:26:59,395 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 115.3MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.04ms. Allocated memory is still 148.9MB. Free memory was 117.1MB in the beginning and 106.0MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.69ms. Allocated memory is still 148.9MB. Free memory was 106.0MB in the beginning and 104.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.00ms. Allocated memory is still 148.9MB. Free memory was 104.1MB in the beginning and 102.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 439.53ms. Allocated memory is still 148.9MB. Free memory was 102.1MB in the beginning and 86.2MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 664.77ms. Allocated memory is still 148.9MB. Free memory was 85.3MB in the beginning and 115.8MB in the end (delta: -30.5MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * Witness Printer took 5.05ms. Allocated memory is still 148.9MB. Free memory is still 115.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 35. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 4; [L23] float var_1_4 = 200.75; [L24] float var_1_5 = 5.7; [L25] signed short int var_1_6 = 200; [L26] signed short int var_1_7 = 256; [L27] signed short int var_1_8 = -16; [L28] unsigned char var_1_9 = 1; [L29] unsigned char var_1_10 = 0; [L65] isInitial = 1 [L66] FCALL initially() [L67] COND TRUE 1 [L68] FCALL updateLastVariables() [L69] CALL updateVariables() [L41] var_1_4 = __VERIFIER_nondet_float() [L42] 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_1=4, var_1_5=57/10, var_1_6=200, var_1_7=256, var_1_8=-16, var_1_9=1] [L20] COND FALSE !(!cond) [L42] 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_1=4, var_1_5=57/10, var_1_6=200, var_1_7=256, var_1_8=-16, var_1_9=1] [L43] var_1_5 = __VERIFIER_nondet_float() [L44] 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_1=4, var_1_5=8195, var_1_6=200, var_1_7=256, var_1_8=-16, var_1_9=1] [L20] COND FALSE !(!cond) [L44] 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_1=4, var_1_5=8195, var_1_6=200, var_1_7=256, var_1_8=-16, var_1_9=1] [L45] var_1_6 = __VERIFIER_nondet_short() [L46] CALL assume_abort_if_not(var_1_6 >= -8192) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_1=4, var_1_5=8195, var_1_6=-1, var_1_7=256, var_1_8=-16, var_1_9=1] [L20] COND FALSE !(!cond) [L46] RET assume_abort_if_not(var_1_6 >= -8192) VAL [isInitial=1, var_1_10=0, var_1_1=4, var_1_5=8195, var_1_6=-1, var_1_7=256, var_1_8=-16, var_1_9=1] [L47] CALL assume_abort_if_not(var_1_6 <= 8192) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_1=4, var_1_5=8195, var_1_6=-1, var_1_7=256, var_1_8=-16, var_1_9=1] [L20] COND FALSE !(!cond) [L47] RET assume_abort_if_not(var_1_6 <= 8192) VAL [isInitial=1, var_1_10=0, var_1_1=4, var_1_5=8195, var_1_6=-1, var_1_7=256, var_1_8=-16, var_1_9=1] [L48] var_1_7 = __VERIFIER_nondet_short() [L49] CALL assume_abort_if_not(var_1_7 >= -8191) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_1=4, var_1_5=8195, var_1_6=-1, var_1_7=-8191, var_1_8=-16, var_1_9=1] [L20] COND FALSE !(!cond) [L49] RET assume_abort_if_not(var_1_7 >= -8191) VAL [isInitial=1, var_1_10=0, var_1_1=4, var_1_5=8195, var_1_6=-1, var_1_7=-8191, var_1_8=-16, var_1_9=1] [L50] CALL assume_abort_if_not(var_1_7 <= 8191) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_1=4, var_1_5=8195, var_1_6=-1, var_1_7=-8191, var_1_8=-16, var_1_9=1] [L20] COND FALSE !(!cond) [L50] RET assume_abort_if_not(var_1_7 <= 8191) VAL [isInitial=1, var_1_10=0, var_1_1=4, var_1_5=8195, var_1_6=-1, var_1_7=-8191, var_1_8=-16, var_1_9=1] [L51] var_1_8 = __VERIFIER_nondet_short() [L52] CALL assume_abort_if_not(var_1_8 >= -16383) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_1=4, var_1_5=8195, var_1_6=-1, var_1_7=-8191, var_1_8=8190, var_1_9=1] [L20] COND FALSE !(!cond) [L52] RET assume_abort_if_not(var_1_8 >= -16383) VAL [isInitial=1, var_1_10=0, var_1_1=4, var_1_5=8195, var_1_6=-1, var_1_7=-8191, var_1_8=8190, var_1_9=1] [L53] CALL assume_abort_if_not(var_1_8 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_1=4, var_1_5=8195, var_1_6=-1, var_1_7=-8191, var_1_8=8190, var_1_9=1] [L20] COND FALSE !(!cond) [L53] RET assume_abort_if_not(var_1_8 <= 16383) VAL [isInitial=1, var_1_10=0, var_1_1=4, var_1_5=8195, var_1_6=-1, var_1_7=-8191, var_1_8=8190, var_1_9=1] [L54] var_1_10 = __VERIFIER_nondet_uchar() [L55] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_1=4, var_1_5=8195, var_1_6=-1, var_1_7=-8191, var_1_8=8190, var_1_9=1] [L20] COND FALSE !(!cond) [L55] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=0, var_1_1=4, var_1_5=8195, var_1_6=-1, var_1_7=-8191, var_1_8=8190, var_1_9=1] [L56] CALL assume_abort_if_not(var_1_10 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_1=4, var_1_5=8195, var_1_6=-1, var_1_7=-8191, var_1_8=8190, var_1_9=1] [L20] COND FALSE !(!cond) [L56] RET assume_abort_if_not(var_1_10 <= 0) VAL [isInitial=1, var_1_10=0, var_1_1=4, var_1_5=8195, var_1_6=-1, var_1_7=-8191, var_1_8=8190, var_1_9=1] [L69] RET updateVariables() [L70] CALL step() [L33] var_1_9 = var_1_10 [L34] COND TRUE ! (var_1_9 && var_1_9) [L35] COND FALSE !(var_1_4 <= var_1_5) [L70] RET step() [L71] CALL, EXPR property() [L61-L62] return ((! (var_1_9 && var_1_9)) ? ((var_1_4 <= var_1_5) ? (var_1_1 == ((signed short int) ((((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6))) + var_1_7) + var_1_8))) : 1) : 1) && (var_1_9 == ((unsigned char) var_1_10)) ; [L71] RET, EXPR property() [L71] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_1=4, var_1_5=8195, var_1_6=-1, var_1_7=-8191, var_1_8=8190, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_1=4, var_1_5=8195, var_1_6=-1, var_1_7=-8191, var_1_8=8190, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 22:26:59,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx --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 85b1d2ec59250ca50e4af3cfea516d1a969ce9b16ea60a43749666e7f67d56c7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:27:02,121 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:27:02,255 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:27:02,261 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:27:02,262 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:27:02,289 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:27:02,290 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:27:02,290 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:27:02,291 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:27:02,292 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:27:02,292 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:27:02,293 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:27:02,294 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:27:02,294 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:27:02,295 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:27:02,296 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:27:02,296 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:27:02,297 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:27:02,297 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:27:02,298 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:27:02,298 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:27:02,299 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:27:02,299 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:27:02,300 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:27:02,300 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:27:02,301 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:27:02,301 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:27:02,301 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:27:02,302 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:27:02,302 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:27:02,303 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:27:02,303 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:27:02,304 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:27:02,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:27:02,304 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:27:02,304 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:27:02,305 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:27:02,305 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:27:02,305 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:27:02,306 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:27:02,306 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:27:02,306 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:27:02,306 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:27:02,307 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:27:02,307 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:27:02,307 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85b1d2ec59250ca50e4af3cfea516d1a969ce9b16ea60a43749666e7f67d56c7 [2023-11-21 22:27:02,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:27:02,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:27:02,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:27:02,707 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:27:02,707 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:27:02,710 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-80.i [2023-11-21 22:27:05,972 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:27:06,283 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:27:06,284 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-80.i [2023-11-21 22:27:06,293 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/data/682d49000/56ffc265ac5a48a3b58ca764c20dd0cc/FLAG579015484 [2023-11-21 22:27:06,306 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/data/682d49000/56ffc265ac5a48a3b58ca764c20dd0cc [2023-11-21 22:27:06,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:27:06,311 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:27:06,312 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:27:06,312 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:27:06,318 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:27:06,318 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:27:06" (1/1) ... [2023-11-21 22:27:06,320 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51e59977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:06, skipping insertion in model container [2023-11-21 22:27:06,320 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:27:06" (1/1) ... [2023-11-21 22:27:06,346 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:27:06,525 WARN L240 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_ba145d23-a255-49ca-a2da-12306c363c1f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-80.i[915,928] [2023-11-21 22:27:06,578 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:27:06,607 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:27:06,628 WARN L240 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_ba145d23-a255-49ca-a2da-12306c363c1f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-80.i[915,928] [2023-11-21 22:27:06,663 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:27:06,692 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:27:06,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:06 WrapperNode [2023-11-21 22:27:06,693 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:27:06,696 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:27:06,696 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:27:06,697 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:27:06,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:06" (1/1) ... [2023-11-21 22:27:06,731 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:06" (1/1) ... [2023-11-21 22:27:06,768 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 74 [2023-11-21 22:27:06,769 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:27:06,770 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:27:06,771 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:27:06,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:27:06,782 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:06" (1/1) ... [2023-11-21 22:27:06,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:06" (1/1) ... [2023-11-21 22:27:06,793 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:06" (1/1) ... [2023-11-21 22:27:06,810 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:27:06,810 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:06" (1/1) ... [2023-11-21 22:27:06,811 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:06" (1/1) ... [2023-11-21 22:27:06,818 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:06" (1/1) ... [2023-11-21 22:27:06,822 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:06" (1/1) ... [2023-11-21 22:27:06,832 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:06" (1/1) ... [2023-11-21 22:27:06,834 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:06" (1/1) ... [2023-11-21 22:27:06,839 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:27:06,840 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:27:06,841 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:27:06,841 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:27:06,846 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:06" (1/1) ... [2023-11-21 22:27:06,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:27:06,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:27:06,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:27:06,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:27:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:27:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:27:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:27:06,933 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:27:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:27:06,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:27:07,027 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:27:07,029 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:27:07,340 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:27:07,502 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:27:07,502 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:27:07,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:27:07 BoogieIcfgContainer [2023-11-21 22:27:07,504 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:27:07,507 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:27:07,507 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:27:07,510 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:27:07,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:27:06" (1/3) ... [2023-11-21 22:27:07,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f1c9e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:27:07, skipping insertion in model container [2023-11-21 22:27:07,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:06" (2/3) ... [2023-11-21 22:27:07,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f1c9e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:27:07, skipping insertion in model container [2023-11-21 22:27:07,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:27:07" (3/3) ... [2023-11-21 22:27:07,513 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-80.i [2023-11-21 22:27:07,532 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:27:07,532 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:27:07,576 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:27:07,583 INFO L357 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, mHoare=true, 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;@37aaad08, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:27:07,583 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:27:07,590 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-21 22:27:07,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 22:27:07,600 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:27:07,601 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:27:07,602 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:27:07,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:27:07,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1376306872, now seen corresponding path program 1 times [2023-11-21 22:27:07,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:27:07,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1165519015] [2023-11-21 22:27:07,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:27:07,630 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 [2023-11-21 22:27:07,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:27:07,636 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 22:27:07,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:27:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:07,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 22:27:07,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:27:09,538 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-11-21 22:27:09,539 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:27:09,539 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:27:09,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1165519015] [2023-11-21 22:27:09,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1165519015] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:27:09,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:27:09,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:27:09,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474501469] [2023-11-21 22:27:09,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:27:09,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 22:27:09,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:27:09,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 22:27:09,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:27:09,579 INFO L87 Difference]: Start difference. First operand has 25 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-21 22:27:09,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:27:09,739 INFO L93 Difference]: Finished difference Result 49 states and 69 transitions. [2023-11-21 22:27:09,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:27:09,742 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) Word has length 40 [2023-11-21 22:27:09,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:27:09,747 INFO L225 Difference]: With dead ends: 49 [2023-11-21 22:27:09,748 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 22:27:09,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:27:09,754 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 18 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:27:09,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 37 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 22:27:09,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 22:27:09,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 22:27:09,777 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) [2023-11-21 22:27:09,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 22:27:09,779 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2023-11-21 22:27:09,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:27:09,780 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:27:09,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-21 22:27:09,780 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:27:09,780 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 22:27:09,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:27:09,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:27:09,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:27:09,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 22:27:10,033 INFO L899 garLoopResultBuilder]: For program point L56(lines 40 57) no Hoare annotation was computed. [2023-11-21 22:27:10,034 INFO L895 garLoopResultBuilder]: At program point L52(line 52) the Hoare annotation is: (bvsle ((_ zero_extend 24) ~var_1_10~0) (_ bv0 32)) [2023-11-21 22:27:10,034 INFO L895 garLoopResultBuilder]: At program point L52-1(line 52) the Hoare annotation is: (bvsle ((_ zero_extend 24) ~var_1_10~0) (_ bv0 32)) [2023-11-21 22:27:10,035 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-21 22:27:10,035 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-21 22:27:10,035 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-11-21 22:27:10,035 INFO L895 garLoopResultBuilder]: At program point L44(line 44) the Hoare annotation is: (bvsle ((_ zero_extend 24) ~var_1_10~0) (_ bv0 32)) [2023-11-21 22:27:10,036 INFO L899 garLoopResultBuilder]: For program point L44-1(line 44) no Hoare annotation was computed. [2023-11-21 22:27:10,037 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-21 22:27:10,037 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-11-21 22:27:10,038 INFO L895 garLoopResultBuilder]: At program point L49(line 49) the Hoare annotation is: (bvsle ((_ zero_extend 24) ~var_1_10~0) (_ bv0 32)) [2023-11-21 22:27:10,038 INFO L895 garLoopResultBuilder]: At program point L49-1(line 49) the Hoare annotation is: (bvsle ((_ zero_extend 24) ~var_1_10~0) (_ bv0 32)) [2023-11-21 22:27:10,038 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:27:10,039 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-11-21 22:27:10,039 INFO L895 garLoopResultBuilder]: At program point L46(line 46) the Hoare annotation is: (bvsle ((_ zero_extend 24) ~var_1_10~0) (_ bv0 32)) [2023-11-21 22:27:10,039 INFO L895 garLoopResultBuilder]: At program point L46-1(line 46) the Hoare annotation is: (bvsle ((_ zero_extend 24) ~var_1_10~0) (_ bv0 32)) [2023-11-21 22:27:10,040 INFO L895 garLoopResultBuilder]: At program point L42(line 42) the Hoare annotation is: (bvsle ((_ zero_extend 24) ~var_1_10~0) (_ bv0 32)) [2023-11-21 22:27:10,040 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 22:27:10,041 INFO L899 garLoopResultBuilder]: For program point L42-1(line 42) no Hoare annotation was computed. [2023-11-21 22:27:10,045 INFO L895 garLoopResultBuilder]: At program point L67-2(lines 67 73) the Hoare annotation is: (bvsle ((_ zero_extend 24) ~var_1_10~0) (_ bv0 32)) [2023-11-21 22:27:10,045 INFO L902 garLoopResultBuilder]: At program point L55(line 55) the Hoare annotation is: true [2023-11-21 22:27:10,045 INFO L902 garLoopResultBuilder]: At program point L55-1(line 55) the Hoare annotation is: true [2023-11-21 22:27:10,046 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-11-21 22:27:10,046 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-21 22:27:10,046 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-21 22:27:10,051 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:27:10,054 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:27:10,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:27:10 BoogieIcfgContainer [2023-11-21 22:27:10,065 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:27:10,066 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:27:10,066 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:27:10,066 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:27:10,067 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:27:07" (3/4) ... [2023-11-21 22:27:10,069 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:27:10,074 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-21 22:27:10,082 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-21 22:27:10,083 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-21 22:27:10,083 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 22:27:10,084 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:27:10,192 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:27:10,192 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:27:10,192 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:27:10,193 INFO L158 Benchmark]: Toolchain (without parser) took 3882.55ms. Allocated memory was 102.8MB in the beginning and 148.9MB in the end (delta: 46.1MB). Free memory was 78.6MB in the beginning and 70.1MB in the end (delta: 8.4MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2023-11-21 22:27:10,194 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 69.2MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:27:10,194 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.12ms. Allocated memory is still 102.8MB. Free memory was 78.3MB in the beginning and 66.5MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:27:10,194 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.83ms. Allocated memory is still 102.8MB. Free memory was 66.5MB in the beginning and 64.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:27:10,195 INFO L158 Benchmark]: Boogie Preprocessor took 69.12ms. Allocated memory is still 102.8MB. Free memory was 64.7MB in the beginning and 62.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:27:10,196 INFO L158 Benchmark]: RCFGBuilder took 664.20ms. Allocated memory is still 102.8MB. Free memory was 62.6MB in the beginning and 78.1MB in the end (delta: -15.5MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2023-11-21 22:27:10,196 INFO L158 Benchmark]: TraceAbstraction took 2558.32ms. Allocated memory was 102.8MB in the beginning and 148.9MB in the end (delta: 46.1MB). Free memory was 77.2MB in the beginning and 75.4MB in the end (delta: 1.8MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. [2023-11-21 22:27:10,196 INFO L158 Benchmark]: Witness Printer took 126.96ms. Allocated memory is still 148.9MB. Free memory was 75.4MB in the beginning and 70.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:27:10,200 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 69.2MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.12ms. Allocated memory is still 102.8MB. Free memory was 78.3MB in the beginning and 66.5MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.83ms. Allocated memory is still 102.8MB. Free memory was 66.5MB in the beginning and 64.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.12ms. Allocated memory is still 102.8MB. Free memory was 64.7MB in the beginning and 62.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 664.20ms. Allocated memory is still 102.8MB. Free memory was 62.6MB in the beginning and 78.1MB in the end (delta: -15.5MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2558.32ms. Allocated memory was 102.8MB in the beginning and 148.9MB in the end (delta: 46.1MB). Free memory was 77.2MB in the beginning and 75.4MB in the end (delta: 1.8MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. * Witness Printer took 126.96ms. Allocated memory is still 148.9MB. Free memory was 75.4MB in the beginning and 70.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 1, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 16 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 6, 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: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 31 PreInvPairs, 42 NumberOfFragments, 39 HoareAnnotationTreeSize, 31 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 47 SizeOfPredicates, 12 NumberOfNonLiveVariables, 96 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 90/90 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: (var_1_10 <= 0) RESULT: Ultimate proved your program to be correct! [2023-11-21 22:27:10,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba145d23-a255-49ca-a2da-12306c363c1f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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