./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c91c03-9534-4d45-9546-79a832d444e4/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c91c03-9534-4d45-9546-79a832d444e4/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c91c03-9534-4d45-9546-79a832d444e4/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c91c03-9534-4d45-9546-79a832d444e4/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c91c03-9534-4d45-9546-79a832d444e4/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c91c03-9534-4d45-9546-79a832d444e4/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --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 18e93ea431e83188bc36b5e920f02065de4d876f2ec76df16cf4e34ae99f6b21 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 22:54:40,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:54:40,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:54:40,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:54:40,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:54:40,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:54:40,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:54:40,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:54:40,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:54:40,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:54:40,225 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:54:40,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:54:40,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:54:40,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:54:40,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:54:40,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:54:40,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:54:40,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:54:40,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:54:40,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:54:40,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:54:40,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:54:40,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:54:40,264 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:54:40,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:54:40,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:54:40,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:54:40,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:54:40,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:54:40,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:54:40,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:54:40,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:54:40,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:54:40,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:54:40,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:54:40,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:54:40,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:54:40,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:54:40,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:54:40,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:54:40,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:54:40,295 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c91c03-9534-4d45-9546-79a832d444e4/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 22:54:40,344 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:54:40,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:54:40,345 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:54:40,345 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:54:40,351 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:54:40,351 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:54:40,351 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:54:40,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:54:40,352 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:54:40,352 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:54:40,353 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:54:40,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:54:40,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 22:54:40,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 22:54:40,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 22:54:40,355 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:54:40,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:54:40,355 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:54:40,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 22:54:40,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:54:40,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:54:40,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 22:54:40,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:54:40,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:54:40,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 22:54:40,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 22:54:40,358 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:54:40,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 22:54:40,358 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 22:54:40,360 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 22:54:40,360 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 22:54:40,360 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:54:40,361 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_d8c91c03-9534-4d45-9546-79a832d444e4/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c91c03-9534-4d45-9546-79a832d444e4/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18e93ea431e83188bc36b5e920f02065de4d876f2ec76df16cf4e34ae99f6b21 [2021-10-28 22:54:40,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:54:40,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:54:40,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:54:40,747 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:54:40,747 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:54:40,748 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c91c03-9534-4d45-9546-79a832d444e4/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast_2.i [2021-10-28 22:54:40,833 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c91c03-9534-4d45-9546-79a832d444e4/bin/uautomizer-GMMbpWq8iD/data/74b95273e/d4a1eb087b7a4ec19a79c8c9255bc0b5/FLAGd30b2875d [2021-10-28 22:54:41,322 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:54:41,322 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c91c03-9534-4d45-9546-79a832d444e4/sv-benchmarks/c/ldv-regression/rule57_ebda_blast_2.i [2021-10-28 22:54:41,329 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c91c03-9534-4d45-9546-79a832d444e4/bin/uautomizer-GMMbpWq8iD/data/74b95273e/d4a1eb087b7a4ec19a79c8c9255bc0b5/FLAGd30b2875d [2021-10-28 22:54:41,689 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c91c03-9534-4d45-9546-79a832d444e4/bin/uautomizer-GMMbpWq8iD/data/74b95273e/d4a1eb087b7a4ec19a79c8c9255bc0b5 [2021-10-28 22:54:41,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:54:41,693 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:54:41,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:54:41,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:54:41,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:54:41,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:54:41" (1/1) ... [2021-10-28 22:54:41,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c7d4c2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:41, skipping insertion in model container [2021-10-28 22:54:41,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:54:41" (1/1) ... [2021-10-28 22:54:41,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:54:41,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:54:41,901 WARN L228 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_d8c91c03-9534-4d45-9546-79a832d444e4/sv-benchmarks/c/ldv-regression/rule57_ebda_blast_2.i[341,354] [2021-10-28 22:54:41,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:54:41,943 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:54:41,954 WARN L228 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_d8c91c03-9534-4d45-9546-79a832d444e4/sv-benchmarks/c/ldv-regression/rule57_ebda_blast_2.i[341,354] [2021-10-28 22:54:41,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:54:41,981 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:54:41,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:41 WrapperNode [2021-10-28 22:54:41,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:54:41,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:54:41,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:54:41,983 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:54:41,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:41" (1/1) ... [2021-10-28 22:54:41,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:41" (1/1) ... [2021-10-28 22:54:42,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:54:42,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:54:42,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:54:42,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:54:42,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:41" (1/1) ... [2021-10-28 22:54:42,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:41" (1/1) ... [2021-10-28 22:54:42,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:41" (1/1) ... [2021-10-28 22:54:42,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:41" (1/1) ... [2021-10-28 22:54:42,045 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:41" (1/1) ... [2021-10-28 22:54:42,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:41" (1/1) ... [2021-10-28 22:54:42,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:41" (1/1) ... [2021-10-28 22:54:42,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:54:42,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:54:42,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:54:42,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:54:42,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:41" (1/1) ... [2021-10-28 22:54:42,073 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:54:42,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c91c03-9534-4d45-9546-79a832d444e4/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:54:42,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c91c03-9534-4d45-9546-79a832d444e4/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 22:54:42,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c91c03-9534-4d45-9546-79a832d444e4/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 22:54:42,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 22:54:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 22:54:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 22:54:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:54:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 22:54:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 22:54:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:54:42,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:54:42,575 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:54:42,575 INFO L299 CfgBuilder]: Removed 28 assume(true) statements. [2021-10-28 22:54:42,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:54:42 BoogieIcfgContainer [2021-10-28 22:54:42,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:54:42,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 22:54:42,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 22:54:42,583 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 22:54:42,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:54:41" (1/3) ... [2021-10-28 22:54:42,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46da15a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:54:42, skipping insertion in model container [2021-10-28 22:54:42,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:41" (2/3) ... [2021-10-28 22:54:42,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46da15a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:54:42, skipping insertion in model container [2021-10-28 22:54:42,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:54:42" (3/3) ... [2021-10-28 22:54:42,586 INFO L111 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast_2.i [2021-10-28 22:54:42,591 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 22:54:42,592 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 22:54:42,660 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 22:54:42,671 INFO L339 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=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 22:54:42,671 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 22:54:42,689 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 28 states have internal predecessors, (37), 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) [2021-10-28 22:54:42,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-28 22:54:42,698 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:54:42,699 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:54:42,700 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:54:42,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:54:42,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1389591778, now seen corresponding path program 1 times [2021-10-28 22:54:42,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:54:42,739 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148596583] [2021-10-28 22:54:42,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:54:42,740 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:54:42,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:54:43,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:54:43,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:54:43,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148596583] [2021-10-28 22:54:43,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148596583] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:54:43,047 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:54:43,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 22:54:43,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024052667] [2021-10-28 22:54:43,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 22:54:43,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:54:43,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:54:43,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:54:43,077 INFO L87 Difference]: Start difference. First operand has 29 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 28 states have internal predecessors, (37), 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) Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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) [2021-10-28 22:54:43,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:54:43,191 INFO L93 Difference]: Finished difference Result 38 states and 47 transitions. [2021-10-28 22:54:43,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 22:54:43,194 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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) Word has length 10 [2021-10-28 22:54:43,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:54:43,204 INFO L225 Difference]: With dead ends: 38 [2021-10-28 22:54:43,205 INFO L226 Difference]: Without dead ends: 26 [2021-10-28 22:54:43,209 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 22:54:43,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-10-28 22:54:43,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-10-28 22:54:43,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 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) [2021-10-28 22:54:43,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2021-10-28 22:54:43,257 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 10 [2021-10-28 22:54:43,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:54:43,258 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2021-10-28 22:54:43,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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) [2021-10-28 22:54:43,259 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2021-10-28 22:54:43,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-28 22:54:43,261 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:54:43,261 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:54:43,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 22:54:43,263 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:54:43,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:54:43,267 INFO L85 PathProgramCache]: Analyzing trace with hash -543521736, now seen corresponding path program 1 times [2021-10-28 22:54:43,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:54:43,267 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308807481] [2021-10-28 22:54:43,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:54:43,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:54:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:54:43,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:54:43,395 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:54:43,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308807481] [2021-10-28 22:54:43,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308807481] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:54:43,397 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:54:43,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 22:54:43,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319015811] [2021-10-28 22:54:43,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 22:54:43,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:54:43,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:54:43,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:54:43,405 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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) [2021-10-28 22:54:43,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:54:43,490 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2021-10-28 22:54:43,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 22:54:43,491 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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) Word has length 13 [2021-10-28 22:54:43,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:54:43,493 INFO L225 Difference]: With dead ends: 32 [2021-10-28 22:54:43,494 INFO L226 Difference]: Without dead ends: 26 [2021-10-28 22:54:43,495 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 22:54:43,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-10-28 22:54:43,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-10-28 22:54:43,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 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) [2021-10-28 22:54:43,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2021-10-28 22:54:43,512 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 13 [2021-10-28 22:54:43,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:54:43,512 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2021-10-28 22:54:43,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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) [2021-10-28 22:54:43,514 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2021-10-28 22:54:43,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 22:54:43,515 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:54:43,515 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:54:43,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 22:54:43,516 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:54:43,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:54:43,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1794761624, now seen corresponding path program 1 times [2021-10-28 22:54:43,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:54:43,517 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818977807] [2021-10-28 22:54:43,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:54:43,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:54:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:54:43,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:54:43,632 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:54:43,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818977807] [2021-10-28 22:54:43,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818977807] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:54:43,633 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:54:43,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:54:43,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225786394] [2021-10-28 22:54:43,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:54:43,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:54:43,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:54:43,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:54:43,635 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-10-28 22:54:43,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:54:43,647 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2021-10-28 22:54:43,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:54:43,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) Word has length 19 [2021-10-28 22:54:43,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:54:43,649 INFO L225 Difference]: With dead ends: 33 [2021-10-28 22:54:43,649 INFO L226 Difference]: Without dead ends: 26 [2021-10-28 22:54:43,649 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:54:43,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-10-28 22:54:43,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-10-28 22:54:43,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.16) internal successors, (29), 25 states have internal predecessors, (29), 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) [2021-10-28 22:54:43,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2021-10-28 22:54:43,655 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 19 [2021-10-28 22:54:43,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:54:43,655 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2021-10-28 22:54:43,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-10-28 22:54:43,656 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2021-10-28 22:54:43,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 22:54:43,656 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:54:43,657 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:54:43,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 22:54:43,657 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:54:43,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:54:43,658 INFO L85 PathProgramCache]: Analyzing trace with hash -725198310, now seen corresponding path program 1 times [2021-10-28 22:54:43,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:54:43,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298260935] [2021-10-28 22:54:43,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:54:43,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:54:43,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:54:43,692 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:54:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:54:43,748 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:54:43,749 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 22:54:43,750 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:54:43,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 22:54:43,755 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-10-28 22:54:43,759 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 22:54:43,773 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,774 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,774 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,775 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,776 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,777 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,777 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,777 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,778 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,778 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,781 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,781 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,783 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,783 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,787 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,788 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,788 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,789 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,790 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,791 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,791 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,791 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,793 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,794 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,799 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,799 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,800 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,800 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,801 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,801 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,802 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,802 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,802 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,803 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,811 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,812 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:54:43 BoogieIcfgContainer [2021-10-28 22:54:43,837 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 22:54:43,837 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:54:43,837 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:54:43,838 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:54:43,838 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:54:42" (3/4) ... [2021-10-28 22:54:43,840 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-28 22:54:43,842 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,843 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,843 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,843 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,844 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,844 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,844 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,844 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,845 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,845 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,845 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,845 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,846 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,846 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,846 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,846 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,847 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,847 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,847 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,847 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,848 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,848 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,848 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,848 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,849 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,849 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,849 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,849 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,850 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,850 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,850 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,850 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,851 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,851 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,851 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,851 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-28 22:54:43,908 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c91c03-9534-4d45-9546-79a832d444e4/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 22:54:43,909 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:54:43,913 INFO L168 Benchmark]: Toolchain (without parser) took 2216.38 ms. Allocated memory is still 98.6 MB. Free memory was 64.8 MB in the beginning and 45.6 MB in the end (delta: 19.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-28 22:54:43,914 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 73.4 MB. Free memory was 46.8 MB in the beginning and 46.7 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:54:43,915 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.84 ms. Allocated memory is still 98.6 MB. Free memory was 64.6 MB in the beginning and 74.0 MB in the end (delta: -9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 22:54:43,916 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.83 ms. Allocated memory is still 98.6 MB. Free memory was 74.0 MB in the beginning and 72.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:54:43,916 INFO L168 Benchmark]: Boogie Preprocessor took 29.88 ms. Allocated memory is still 98.6 MB. Free memory was 72.4 MB in the beginning and 70.9 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:54:43,917 INFO L168 Benchmark]: RCFGBuilder took 522.45 ms. Allocated memory is still 98.6 MB. Free memory was 70.9 MB in the beginning and 56.6 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 22:54:43,923 INFO L168 Benchmark]: TraceAbstraction took 1257.77 ms. Allocated memory is still 98.6 MB. Free memory was 56.2 MB in the beginning and 51.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2021-10-28 22:54:43,924 INFO L168 Benchmark]: Witness Printer took 71.46 ms. Allocated memory is still 98.6 MB. Free memory was 51.0 MB in the beginning and 45.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 22:54:43,927 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 73.4 MB. Free memory was 46.8 MB in the beginning and 46.7 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 286.84 ms. Allocated memory is still 98.6 MB. Free memory was 64.6 MB in the beginning and 74.0 MB in the end (delta: -9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.83 ms. Allocated memory is still 98.6 MB. Free memory was 74.0 MB in the beginning and 72.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.88 ms. Allocated memory is still 98.6 MB. Free memory was 72.4 MB in the beginning and 70.9 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 522.45 ms. Allocated memory is still 98.6 MB. Free memory was 70.9 MB in the beginning and 56.6 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1257.77 ms. Allocated memory is still 98.6 MB. Free memory was 56.2 MB in the beginning and 51.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * Witness Printer took 71.46 ms. Allocated memory is still 98.6 MB. Free memory was 51.0 MB in the beginning and 45.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled * 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 - CounterExampleResult [Line: 9]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L42] struct slot *tmp_slot; [L43] int used_tmp_slot = 0; [L44] int freed_tmp_slot = 1; VAL [freed_tmp_slot=1, tmp_slot={0:0}, used_tmp_slot=0] [L75] struct hotplug_slot *hp_slot_ptr; [L77] struct bus_info *bus_info_ptr1; [L78] int rc; [L49] return calloc(1, size); VAL [freed_tmp_slot=1, tmp_slot={0:0}, used_tmp_slot=0] [L80] hp_slot_ptr = kzalloc(sizeof(*hp_slot_ptr), 1) [L81] COND FALSE !(!hp_slot_ptr) [L85] hp_slot_ptr->b = 5 [L49] return calloc(1, size); VAL [freed_tmp_slot=1, tmp_slot={0:0}, used_tmp_slot=0] [L87] tmp_slot = kzalloc(sizeof(*tmp_slot), 1) [L89] COND FALSE !(!tmp_slot) [L94] used_tmp_slot = 0 [L95] freed_tmp_slot = 0 [L97] tmp_slot->a = 2 [L98] tmp_slot->b = 3 [L58] COND TRUE __VERIFIER_nondet_int() [L59] return 0; VAL [freed_tmp_slot=0, tmp_slot={-2:0}, used_tmp_slot=0] [L100] bus_info_ptr1 = ibmphp_find_same_bus_num() [L101] COND TRUE !bus_info_ptr1 [L102] rc = -3 VAL [freed_tmp_slot=0, tmp_slot={-2:0}, used_tmp_slot=0] [L129] hp_slot_ptr->private [L52] COND FALSE !(p!=0 && p==tmp_slot) VAL [freed_tmp_slot=0, tmp_slot={-2:0}, used_tmp_slot=0] [L134] return rc; VAL [freed_tmp_slot=0, tmp_slot={-2:0}, used_tmp_slot=0] [L139] COND TRUE !used_tmp_slot VAL [freed_tmp_slot=0, tmp_slot={-2:0}, used_tmp_slot=0] [L140] (freed_tmp_slot) ? (0) : __blast_assert () VAL [freed_tmp_slot=0, tmp_slot={-2:0}, used_tmp_slot=0] [L9] reach_error() VAL [freed_tmp_slot=0, tmp_slot={-2:0}, used_tmp_slot=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 75 SDtfs, 167 SDslu, 27 SDs, 0 SdLazy, 34 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 67 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 proved your program to be incorrect! [2021-10-28 22:54:43,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8c91c03-9534-4d45-9546-79a832d444e4/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...