./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-57.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc38b0dc-3db6-4145-95dc-cf0a94bba10e/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc38b0dc-3db6-4145-95dc-cf0a94bba10e/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_cc38b0dc-3db6-4145-95dc-cf0a94bba10e/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc38b0dc-3db6-4145-95dc-cf0a94bba10e/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-57.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc38b0dc-3db6-4145-95dc-cf0a94bba10e/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_cc38b0dc-3db6-4145-95dc-cf0a94bba10e/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 523cdc555ae18a7121d858cb3ce401c3fbc4c545022234654bee429dbd299e9d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:10:33,213 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:10:33,306 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc38b0dc-3db6-4145-95dc-cf0a94bba10e/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:10:33,313 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:10:33,314 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:10:33,349 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:10:33,350 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:10:33,351 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:10:33,352 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:10:33,353 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:10:33,354 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:10:33,354 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:10:33,356 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:10:33,356 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:10:33,357 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:10:33,358 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:10:33,359 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:10:33,359 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:10:33,360 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:10:33,361 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:10:33,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:10:33,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:10:33,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:10:33,364 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:10:33,364 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:10:33,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:10:33,365 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:10:33,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:10:33,367 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:10:33,367 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:10:33,368 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:10:33,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:10:33,369 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:10:33,370 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:10:33,370 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:10:33,371 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:10:33,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:10:33,372 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:10:33,372 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:10:33,373 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:10:33,373 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:10:33,374 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:10:33,375 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_cc38b0dc-3db6-4145-95dc-cf0a94bba10e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc38b0dc-3db6-4145-95dc-cf0a94bba10e/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 523cdc555ae18a7121d858cb3ce401c3fbc4c545022234654bee429dbd299e9d [2023-11-21 22:10:33,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:10:33,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:10:33,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:10:33,711 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:10:33,711 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:10:33,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc38b0dc-3db6-4145-95dc-cf0a94bba10e/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-57.i [2023-11-21 22:10:37,028 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:10:37,363 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:10:37,363 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc38b0dc-3db6-4145-95dc-cf0a94bba10e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-57.i [2023-11-21 22:10:37,374 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc38b0dc-3db6-4145-95dc-cf0a94bba10e/bin/uautomizer-verify-bycVGegfSx/data/efac8d291/c7f911af68f44c9a94fa35533d2508f8/FLAGd5aeff25f [2023-11-21 22:10:37,393 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc38b0dc-3db6-4145-95dc-cf0a94bba10e/bin/uautomizer-verify-bycVGegfSx/data/efac8d291/c7f911af68f44c9a94fa35533d2508f8 [2023-11-21 22:10:37,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:10:37,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:10:37,403 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:10:37,403 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:10:37,410 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:10:37,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:10:37" (1/1) ... [2023-11-21 22:10:37,414 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac72290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:37, skipping insertion in model container [2023-11-21 22:10:37,414 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:10:37" (1/1) ... [2023-11-21 22:10:37,459 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:10:37,646 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_cc38b0dc-3db6-4145-95dc-cf0a94bba10e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-57.i[916,929] [2023-11-21 22:10:37,737 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:10:37,752 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:10:37,765 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_cc38b0dc-3db6-4145-95dc-cf0a94bba10e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-57.i[916,929] [2023-11-21 22:10:37,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:10:37,835 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:10:37,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:37 WrapperNode [2023-11-21 22:10:37,836 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:10:37,837 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:10:37,838 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:10:37,838 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:10:37,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:37" (1/1) ... [2023-11-21 22:10:37,859 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:37" (1/1) ... [2023-11-21 22:10:37,913 INFO L138 Inliner]: procedures = 29, calls = 143, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 370 [2023-11-21 22:10:37,914 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:10:37,915 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:10:37,915 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:10:37,915 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:10:37,929 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:37" (1/1) ... [2023-11-21 22:10:37,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:37" (1/1) ... [2023-11-21 22:10:37,936 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:37" (1/1) ... [2023-11-21 22:10:37,956 INFO L187 HeapSplitter]: Split 110 memory accesses to 5 slices as follows [2, 24, 3, 72, 9] [2023-11-21 22:10:37,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:37" (1/1) ... [2023-11-21 22:10:37,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:37" (1/1) ... [2023-11-21 22:10:38,012 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:37" (1/1) ... [2023-11-21 22:10:38,017 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:37" (1/1) ... [2023-11-21 22:10:38,025 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:37" (1/1) ... [2023-11-21 22:10:38,028 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:37" (1/1) ... [2023-11-21 22:10:38,034 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:10:38,035 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:10:38,035 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:10:38,035 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:10:38,036 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:37" (1/1) ... [2023-11-21 22:10:38,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:10:38,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc38b0dc-3db6-4145-95dc-cf0a94bba10e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:10:38,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc38b0dc-3db6-4145-95dc-cf0a94bba10e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:10:38,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc38b0dc-3db6-4145-95dc-cf0a94bba10e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:10:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:10:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-21 22:10:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-21 22:10:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-21 22:10:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-11-21 22:10:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-11-21 22:10:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 22:10:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 22:10:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-21 22:10:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-21 22:10:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-21 22:10:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-21 22:10:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-21 22:10:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-11-21 22:10:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-11-21 22:10:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2023-11-21 22:10:38,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 22:10:38,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 22:10:38,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-21 22:10:38,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-21 22:10:38,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-21 22:10:38,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-21 22:10:38,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-21 22:10:38,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2023-11-21 22:10:38,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2023-11-21 22:10:38,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2023-11-21 22:10:38,156 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:10:38,156 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:10:38,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:10:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 22:10:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-21 22:10:38,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-21 22:10:38,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-21 22:10:38,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:10:38,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:10:38,362 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:10:38,365 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:10:38,888 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:10:39,667 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:10:39,668 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:10:39,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:10:39 BoogieIcfgContainer [2023-11-21 22:10:39,670 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:10:39,675 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:10:39,675 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:10:39,678 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:10:39,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:10:37" (1/3) ... [2023-11-21 22:10:39,679 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fee1095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:10:39, skipping insertion in model container [2023-11-21 22:10:39,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:37" (2/3) ... [2023-11-21 22:10:39,681 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fee1095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:10:39, skipping insertion in model container [2023-11-21 22:10:39,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:10:39" (3/3) ... [2023-11-21 22:10:39,682 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-57.i [2023-11-21 22:10:39,702 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:10:39,702 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:10:39,763 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:10:39,772 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;@3c56bd82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:10:39,772 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:10:39,776 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-21 22:10:39,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-21 22:10:39,788 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:10:39,789 INFO L195 NwaCegarLoop]: trace histogram [18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:10:39,789 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:10:39,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:39,797 INFO L85 PathProgramCache]: Analyzing trace with hash 709305106, now seen corresponding path program 1 times [2023-11-21 22:10:39,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:39,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829927934] [2023-11-21 22:10:39,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:39,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:03,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 22:11:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:03,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-21 22:11:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:03,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-21 22:11:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:03,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-21 22:11:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:03,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-21 22:11:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:03,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 22:11:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:03,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-21 22:11:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:03,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-21 22:11:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:03,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-21 22:11:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:03,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-21 22:11:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:03,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-21 22:11:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:03,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-21 22:11:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:03,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-21 22:11:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:03,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-21 22:11:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:03,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-21 22:11:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:03,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-21 22:11:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:03,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-21 22:11:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:03,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-21 22:11:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:03,174 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-11-21 22:11:03,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:11:03,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829927934] [2023-11-21 22:11:03,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829927934] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:11:03,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:11:03,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-21 22:11:03,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688991704] [2023-11-21 22:11:03,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:11:03,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-21 22:11:03,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:11:03,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-21 22:11:03,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-21 22:11:03,231 INFO L87 Difference]: Start difference. First operand has 45 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 11 states, 8 states have (on average 2.875) internal successors, (23), 11 states have internal predecessors, (23), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 4 states have call predecessors, (18), 7 states have call successors, (18) [2023-11-21 22:11:04,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:11:04,542 INFO L93 Difference]: Finished difference Result 128 states and 185 transitions. [2023-11-21 22:11:04,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 22:11:04,545 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 2.875) internal successors, (23), 11 states have internal predecessors, (23), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 4 states have call predecessors, (18), 7 states have call successors, (18) Word has length 76 [2023-11-21 22:11:04,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:11:04,551 INFO L225 Difference]: With dead ends: 128 [2023-11-21 22:11:04,551 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 22:11:04,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2023-11-21 22:11:04,563 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 47 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:11:04,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 186 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-21 22:11:04,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 22:11:04,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 22:11:04,590 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 22:11:04,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 22:11:04,593 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2023-11-21 22:11:04,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:11:04,593 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:11:04,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 2.875) internal successors, (23), 11 states have internal predecessors, (23), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 4 states have call predecessors, (18), 7 states have call successors, (18) [2023-11-21 22:11:04,594 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:11:04,595 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 22:11:04,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:11:04,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:11:04,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 22:11:04,671 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-21 22:11:04,671 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-21 22:11:04,671 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-21 22:11:04,671 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-21 22:11:04,672 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-11-21 22:11:04,672 INFO L902 garLoopResultBuilder]: At program point L69(line 69) the Hoare annotation is: true [2023-11-21 22:11:04,673 INFO L899 garLoopResultBuilder]: For program point L69-1(line 69) no Hoare annotation was computed. [2023-11-21 22:11:04,674 INFO L902 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: true [2023-11-21 22:11:04,676 INFO L899 garLoopResultBuilder]: For program point L86-1(line 86) no Hoare annotation was computed. [2023-11-21 22:11:04,677 INFO L902 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: true [2023-11-21 22:11:04,678 INFO L899 garLoopResultBuilder]: For program point L87-1(line 87) no Hoare annotation was computed. [2023-11-21 22:11:04,678 INFO L902 garLoopResultBuilder]: At program point L71(line 71) the Hoare annotation is: true [2023-11-21 22:11:04,679 INFO L899 garLoopResultBuilder]: For program point L71-1(line 71) no Hoare annotation was computed. [2023-11-21 22:11:04,679 INFO L902 garLoopResultBuilder]: At program point L72(line 72) the Hoare annotation is: true [2023-11-21 22:11:04,680 INFO L899 garLoopResultBuilder]: For program point L72-1(line 72) no Hoare annotation was computed. [2023-11-21 22:11:04,680 INFO L902 garLoopResultBuilder]: At program point L89(line 89) the Hoare annotation is: true [2023-11-21 22:11:04,680 INFO L899 garLoopResultBuilder]: For program point L89-1(line 89) no Hoare annotation was computed. [2023-11-21 22:11:04,686 INFO L902 garLoopResultBuilder]: At program point L106-2(lines 106 112) the Hoare annotation is: true [2023-11-21 22:11:04,686 INFO L902 garLoopResultBuilder]: At program point L90(line 90) the Hoare annotation is: true [2023-11-21 22:11:04,686 INFO L899 garLoopResultBuilder]: For program point L90-1(line 90) no Hoare annotation was computed. [2023-11-21 22:11:04,687 INFO L902 garLoopResultBuilder]: At program point L74(line 74) the Hoare annotation is: true [2023-11-21 22:11:04,687 INFO L899 garLoopResultBuilder]: For program point L74-1(line 74) no Hoare annotation was computed. [2023-11-21 22:11:04,687 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:11:04,687 INFO L902 garLoopResultBuilder]: At program point L75(line 75) the Hoare annotation is: true [2023-11-21 22:11:04,687 INFO L899 garLoopResultBuilder]: For program point L75-1(line 75) no Hoare annotation was computed. [2023-11-21 22:11:04,688 INFO L902 garLoopResultBuilder]: At program point L92(line 92) the Hoare annotation is: true [2023-11-21 22:11:04,688 INFO L899 garLoopResultBuilder]: For program point L92-1(line 92) no Hoare annotation was computed. [2023-11-21 22:11:04,688 INFO L902 garLoopResultBuilder]: At program point L93(line 93) the Hoare annotation is: true [2023-11-21 22:11:04,688 INFO L899 garLoopResultBuilder]: For program point L93-1(line 93) no Hoare annotation was computed. [2023-11-21 22:11:04,688 INFO L902 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: true [2023-11-21 22:11:04,689 INFO L899 garLoopResultBuilder]: For program point L77-1(line 77) no Hoare annotation was computed. [2023-11-21 22:11:04,689 INFO L902 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: true [2023-11-21 22:11:04,689 INFO L899 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2023-11-21 22:11:04,689 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 22:11:04,689 INFO L902 garLoopResultBuilder]: At program point L80(line 80) the Hoare annotation is: true [2023-11-21 22:11:04,689 INFO L899 garLoopResultBuilder]: For program point L80-1(line 80) no Hoare annotation was computed. [2023-11-21 22:11:04,690 INFO L902 garLoopResultBuilder]: At program point L81(line 81) the Hoare annotation is: true [2023-11-21 22:11:04,690 INFO L899 garLoopResultBuilder]: For program point L81-1(line 81) no Hoare annotation was computed. [2023-11-21 22:11:04,690 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-21 22:11:04,690 INFO L902 garLoopResultBuilder]: At program point L83(line 83) the Hoare annotation is: true [2023-11-21 22:11:04,690 INFO L899 garLoopResultBuilder]: For program point L83-1(line 83) no Hoare annotation was computed. [2023-11-21 22:11:04,691 INFO L902 garLoopResultBuilder]: At program point L84(line 84) the Hoare annotation is: true [2023-11-21 22:11:04,691 INFO L899 garLoopResultBuilder]: For program point L84-1(line 84) no Hoare annotation was computed. [2023-11-21 22:11:04,691 INFO L902 garLoopResultBuilder]: At program point L68(line 68) the Hoare annotation is: true [2023-11-21 22:11:04,691 INFO L899 garLoopResultBuilder]: For program point L68-1(line 68) no Hoare annotation was computed. [2023-11-21 22:11:04,696 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:11:04,700 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:11:04,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:11:04 BoogieIcfgContainer [2023-11-21 22:11:04,710 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:11:04,711 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:11:04,711 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:11:04,711 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:11:04,712 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:10:39" (3/4) ... [2023-11-21 22:11:04,714 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:11:04,718 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-21 22:11:04,737 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2023-11-21 22:11:04,738 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-21 22:11:04,739 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 22:11:04,740 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:11:04,968 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc38b0dc-3db6-4145-95dc-cf0a94bba10e/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:11:04,970 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc38b0dc-3db6-4145-95dc-cf0a94bba10e/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:11:04,970 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:11:04,971 INFO L158 Benchmark]: Toolchain (without parser) took 27569.64ms. Allocated memory was 153.1MB in the beginning and 767.6MB in the end (delta: 614.5MB). Free memory was 120.0MB in the beginning and 689.9MB in the end (delta: -569.9MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2023-11-21 22:11:04,972 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 100.7MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:11:04,972 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.32ms. Allocated memory is still 153.1MB. Free memory was 119.5MB in the beginning and 104.2MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 22:11:04,972 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.70ms. Allocated memory is still 153.1MB. Free memory was 104.2MB in the beginning and 100.8MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:11:04,973 INFO L158 Benchmark]: Boogie Preprocessor took 119.27ms. Allocated memory is still 153.1MB. Free memory was 100.8MB in the beginning and 96.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:11:04,973 INFO L158 Benchmark]: RCFGBuilder took 1635.09ms. Allocated memory was 153.1MB in the beginning and 199.2MB in the end (delta: 46.1MB). Free memory was 96.6MB in the beginning and 84.8MB in the end (delta: 11.8MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. [2023-11-21 22:11:04,974 INFO L158 Benchmark]: TraceAbstraction took 25035.98ms. Allocated memory was 199.2MB in the beginning and 767.6MB in the end (delta: 568.3MB). Free memory was 83.8MB in the beginning and 699.3MB in the end (delta: -615.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:11:04,974 INFO L158 Benchmark]: Witness Printer took 259.56ms. Allocated memory is still 767.6MB. Free memory was 699.3MB in the beginning and 689.9MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:11:04,977 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 100.7MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 433.32ms. Allocated memory is still 153.1MB. Free memory was 119.5MB in the beginning and 104.2MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.70ms. Allocated memory is still 153.1MB. Free memory was 104.2MB in the beginning and 100.8MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 119.27ms. Allocated memory is still 153.1MB. Free memory was 100.8MB in the beginning and 96.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1635.09ms. Allocated memory was 153.1MB in the beginning and 199.2MB in the end (delta: 46.1MB). Free memory was 96.6MB in the beginning and 84.8MB in the end (delta: 11.8MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. * TraceAbstraction took 25035.98ms. Allocated memory was 199.2MB in the beginning and 767.6MB in the end (delta: 568.3MB). Free memory was 83.8MB in the beginning and 699.3MB in the end (delta: -615.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 259.56ms. Allocated memory is still 767.6MB. Free memory was 699.3MB in the beginning and 689.9MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. 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, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 25.0s, OverallIterations: 1, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 47 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 47 mSDsluCounter, 186 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 147 mSDsCounter, 171 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 217 IncrementalHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 171 mSolverCounterUnsat, 39 mSDtfsCounter, 217 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 20 LocationsWithAnnotation, 73 PreInvPairs, 112 NumberOfFragments, 20 HoareAnnotationTreeSize, 73 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 157 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 21.3s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 1286 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 306/306 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: 106]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-21 22:11:05,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc38b0dc-3db6-4145-95dc-cf0a94bba10e/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