./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4089843c-bb25-4184-bb1a-0bee1824b48e/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4089843c-bb25-4184-bb1a-0bee1824b48e/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4089843c-bb25-4184-bb1a-0bee1824b48e/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4089843c-bb25-4184-bb1a-0bee1824b48e/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4089843c-bb25-4184-bb1a-0bee1824b48e/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4089843c-bb25-4184-bb1a-0bee1824b48e/bin/uautomizer-j4sWxH34Be --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 6ef1fc44e9d13d6b9af376534301f020e362ffbe9feb46f88fe421121f63fd75 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:05:34,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:05:34,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:05:34,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:05:34,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:05:34,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:05:34,548 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:05:34,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:05:34,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:05:34,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:05:34,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:05:34,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:05:34,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:05:34,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:05:34,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:05:34,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:05:34,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:05:34,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:05:34,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:05:34,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:05:34,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:05:34,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:05:34,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:05:34,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:05:34,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:05:34,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:05:34,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:05:34,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:05:34,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:05:34,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:05:34,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:05:34,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:05:34,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:05:34,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:05:34,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:05:34,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:05:34,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:05:34,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:05:34,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:05:34,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:05:34,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:05:34,614 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4089843c-bb25-4184-bb1a-0bee1824b48e/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:05:34,658 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:05:34,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:05:34,660 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:05:34,660 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:05:34,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:05:34,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:05:34,662 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:05:34,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:05:34,662 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:05:34,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:05:34,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:05:34,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:05:34,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:05:34,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:05:34,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:05:34,665 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:05:34,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:05:34,665 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:05:34,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:05:34,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:05:34,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:05:34,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:05:34,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:05:34,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:05:34,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:05:34,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:05:34,667 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:05:34,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:05:34,668 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:05:34,669 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:05:34,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:05:34,670 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:05:34,670 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_4089843c-bb25-4184-bb1a-0bee1824b48e/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4089843c-bb25-4184-bb1a-0bee1824b48e/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ef1fc44e9d13d6b9af376534301f020e362ffbe9feb46f88fe421121f63fd75 [2021-10-21 19:05:34,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:05:34,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:05:34,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:05:34,992 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:05:34,993 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:05:34,994 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4089843c-bb25-4184-bb1a-0bee1824b48e/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i [2021-10-21 19:05:35,059 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4089843c-bb25-4184-bb1a-0bee1824b48e/bin/uautomizer-j4sWxH34Be/data/e1d4b0b5e/afb046da9504463781bbe9a15cfad2b3/FLAGd566bd382 [2021-10-21 19:05:35,532 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:05:35,534 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4089843c-bb25-4184-bb1a-0bee1824b48e/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i [2021-10-21 19:05:35,552 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4089843c-bb25-4184-bb1a-0bee1824b48e/bin/uautomizer-j4sWxH34Be/data/e1d4b0b5e/afb046da9504463781bbe9a15cfad2b3/FLAGd566bd382 [2021-10-21 19:05:35,883 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4089843c-bb25-4184-bb1a-0bee1824b48e/bin/uautomizer-j4sWxH34Be/data/e1d4b0b5e/afb046da9504463781bbe9a15cfad2b3 [2021-10-21 19:05:35,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:05:35,887 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:05:35,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:05:35,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:05:35,896 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:05:35,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:05:35" (1/1) ... [2021-10-21 19:05:35,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11937013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:35, skipping insertion in model container [2021-10-21 19:05:35,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:05:35" (1/1) ... [2021-10-21 19:05:35,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:05:35,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:05:36,098 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_4089843c-bb25-4184-bb1a-0bee1824b48e/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i[303,316] [2021-10-21 19:05:36,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:05:36,144 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:05:36,156 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_4089843c-bb25-4184-bb1a-0bee1824b48e/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i[303,316] [2021-10-21 19:05:36,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:05:36,183 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:05:36,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:36 WrapperNode [2021-10-21 19:05:36,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:05:36,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:05:36,185 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:05:36,185 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:05:36,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:36" (1/1) ... [2021-10-21 19:05:36,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:36" (1/1) ... [2021-10-21 19:05:36,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:05:36,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:05:36,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:05:36,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:05:36,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:36" (1/1) ... [2021-10-21 19:05:36,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:36" (1/1) ... [2021-10-21 19:05:36,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:36" (1/1) ... [2021-10-21 19:05:36,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:36" (1/1) ... [2021-10-21 19:05:36,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:36" (1/1) ... [2021-10-21 19:05:36,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:36" (1/1) ... [2021-10-21 19:05:36,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:36" (1/1) ... [2021-10-21 19:05:36,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:05:36,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:05:36,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:05:36,255 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:05:36,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:36" (1/1) ... [2021-10-21 19:05:36,263 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:05:36,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4089843c-bb25-4184-bb1a-0bee1824b48e/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:36,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4089843c-bb25-4184-bb1a-0bee1824b48e/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:36,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4089843c-bb25-4184-bb1a-0bee1824b48e/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:05:36,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-21 19:05:36,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:05:36,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-21 19:05:36,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:05:36,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 19:05:36,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-21 19:05:36,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:05:36,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:05:36,750 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:05:36,755 INFO L299 CfgBuilder]: Removed 30 assume(true) statements. [2021-10-21 19:05:36,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:05:36 BoogieIcfgContainer [2021-10-21 19:05:36,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:05:36,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:05:36,767 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:05:36,770 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:05:36,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:05:35" (1/3) ... [2021-10-21 19:05:36,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a5d6f4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:05:36, skipping insertion in model container [2021-10-21 19:05:36,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:36" (2/3) ... [2021-10-21 19:05:36,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a5d6f4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:05:36, skipping insertion in model container [2021-10-21 19:05:36,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:05:36" (3/3) ... [2021-10-21 19:05:36,779 INFO L111 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.c_1.i [2021-10-21 19:05:36,796 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:05:36,797 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:05:36,854 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:05:36,861 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 [2021-10-21 19:05:36,861 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 19:05:36,876 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 29 states have internal predecessors, (38), 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) [2021-10-21 19:05:36,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-21 19:05:36,881 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:05:36,882 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:05:36,882 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:05:36,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:05:36,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1387683168, now seen corresponding path program 1 times [2021-10-21 19:05:36,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:05:36,898 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703262928] [2021-10-21 19:05:36,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:05:36,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:05:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:05:37,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:05:37,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:05:37,119 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703262928] [2021-10-21 19:05:37,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703262928] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:05:37,120 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:05:37,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:05:37,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205632393] [2021-10-21 19:05:37,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:05:37,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:05:37,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:05:37,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:05:37,141 INFO L87 Difference]: Start difference. First operand has 30 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 29 states have internal predecessors, (38), 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) [2021-10-21 19:05:37,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:05:37,216 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2021-10-21 19:05:37,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:05:37,218 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 [2021-10-21 19:05:37,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:05:37,226 INFO L225 Difference]: With dead ends: 39 [2021-10-21 19:05:37,226 INFO L226 Difference]: Without dead ends: 27 [2021-10-21 19:05:37,228 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 34.9ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:05:37,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-21 19:05:37,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-10-21 19:05:37,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 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) [2021-10-21 19:05:37,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2021-10-21 19:05:37,272 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 10 [2021-10-21 19:05:37,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:05:37,273 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2021-10-21 19:05:37,273 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) [2021-10-21 19:05:37,274 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2021-10-21 19:05:37,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-21 19:05:37,275 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:05:37,275 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:05:37,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:05:37,276 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:05:37,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:05:37,281 INFO L82 PathProgramCache]: Analyzing trace with hash -541613126, now seen corresponding path program 1 times [2021-10-21 19:05:37,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:05:37,281 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980492090] [2021-10-21 19:05:37,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:05:37,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:05:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:05:37,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:05:37,407 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:05:37,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980492090] [2021-10-21 19:05:37,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980492090] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:05:37,408 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:05:37,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:05:37,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558430851] [2021-10-21 19:05:37,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:05:37,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:05:37,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:05:37,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:05:37,411 INFO L87 Difference]: Start difference. First operand 27 states and 32 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) [2021-10-21 19:05:37,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:05:37,477 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2021-10-21 19:05:37,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:05:37,478 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 [2021-10-21 19:05:37,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:05:37,478 INFO L225 Difference]: With dead ends: 33 [2021-10-21 19:05:37,479 INFO L226 Difference]: Without dead ends: 27 [2021-10-21 19:05:37,479 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 29.6ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:05:37,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-21 19:05:37,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-10-21 19:05:37,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 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) [2021-10-21 19:05:37,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2021-10-21 19:05:37,486 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 13 [2021-10-21 19:05:37,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:05:37,486 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2021-10-21 19:05:37,487 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) [2021-10-21 19:05:37,487 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2021-10-21 19:05:37,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-21 19:05:37,488 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:05:37,488 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:05:37,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:05:37,488 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:05:37,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:05:37,489 INFO L82 PathProgramCache]: Analyzing trace with hash 150876809, now seen corresponding path program 1 times [2021-10-21 19:05:37,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:05:37,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622114335] [2021-10-21 19:05:37,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:05:37,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:05:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:05:37,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:05:37,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:05:37,596 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622114335] [2021-10-21 19:05:37,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622114335] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:05:37,599 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:05:37,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:05:37,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657373737] [2021-10-21 19:05:37,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:05:37,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:05:37,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:05:37,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:05:37,601 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-10-21 19:05:37,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:05:37,623 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2021-10-21 19:05:37,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:05:37,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2021-10-21 19:05:37,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:05:37,626 INFO L225 Difference]: With dead ends: 36 [2021-10-21 19:05:37,626 INFO L226 Difference]: Without dead ends: 23 [2021-10-21 19:05:37,627 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:05:37,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-10-21 19:05:37,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2021-10-21 19:05:37,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 22 states have internal predecessors, (24), 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) [2021-10-21 19:05:37,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2021-10-21 19:05:37,636 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 20 [2021-10-21 19:05:37,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:05:37,636 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2021-10-21 19:05:37,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-10-21 19:05:37,637 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2021-10-21 19:05:37,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-21 19:05:37,639 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:05:37,639 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:05:37,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:05:37,640 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:05:37,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:05:37,641 INFO L82 PathProgramCache]: Analyzing trace with hash -2046307905, now seen corresponding path program 1 times [2021-10-21 19:05:37,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:05:37,642 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206152188] [2021-10-21 19:05:37,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:05:37,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:05:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:05:37,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:05:37,802 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:05:37,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206152188] [2021-10-21 19:05:37,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206152188] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:05:37,803 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:05:37,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:05:37,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420915537] [2021-10-21 19:05:37,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:05:37,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:05:37,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:05:37,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:05:37,805 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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) [2021-10-21 19:05:37,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:05:37,876 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2021-10-21 19:05:37,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:05:37,877 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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 22 [2021-10-21 19:05:37,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:05:37,877 INFO L225 Difference]: With dead ends: 23 [2021-10-21 19:05:37,877 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:05:37,878 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 41.8ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:05:37,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:05:37,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:05:37,879 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) [2021-10-21 19:05:37,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:05:37,879 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2021-10-21 19:05:37,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:05:37,880 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:05:37,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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) [2021-10-21 19:05:37,880 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:05:37,880 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:05:37,883 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:05:37,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:05:37,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:05:37,891 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:05:37,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:05:37,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:05:37,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:05:37,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:05:37,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:05:37,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:05:37,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:05:37,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:05:38,015 INFO L853 garLoopResultBuilder]: At program point L64(lines 62 65) the Hoare annotation is: (and (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (= ~used_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2021-10-21 19:05:38,015 INFO L853 garLoopResultBuilder]: At program point L122(lines 72 133) the Hoare annotation is: (and (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (= ~used_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2021-10-21 19:05:38,017 INFO L853 garLoopResultBuilder]: At program point L48(line 48) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2021-10-21 19:05:38,018 INFO L853 garLoopResultBuilder]: At program point L48-1(line 48) the Hoare annotation is: (and (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2021-10-21 19:05:38,018 INFO L853 garLoopResultBuilder]: At program point L48-2(line 48) the Hoare annotation is: (and (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2021-10-21 19:05:38,018 INFO L857 garLoopResultBuilder]: For program point L135(lines 135 139) no Hoare annotation was computed. [2021-10-21 19:05:38,018 INFO L853 garLoopResultBuilder]: At program point L69(lines 67 70) the Hoare annotation is: (and (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (= ~used_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2021-10-21 19:05:38,018 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:05:38,019 INFO L857 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2021-10-21 19:05:38,019 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:05:38,019 INFO L857 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2021-10-21 19:05:38,020 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:05:38,020 INFO L857 garLoopResultBuilder]: For program point L-1-3(line -1) no Hoare annotation was computed. [2021-10-21 19:05:38,020 INFO L853 garLoopResultBuilder]: At program point L57(lines 56 58) the Hoare annotation is: (and (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= |ULTIMATE.start_ibmphp_find_same_bus_num_#res.base| 0)) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2021-10-21 19:05:38,020 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2021-10-21 19:05:38,021 INFO L857 garLoopResultBuilder]: For program point L8(line 8) no Hoare annotation was computed. [2021-10-21 19:05:38,022 INFO L853 garLoopResultBuilder]: At program point L132(lines 72 133) the Hoare annotation is: (and (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (= ~used_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2021-10-21 19:05:38,022 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 107) no Hoare annotation was computed. [2021-10-21 19:05:38,023 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:05:38,023 INFO L853 garLoopResultBuilder]: At program point L128(lines 72 133) the Hoare annotation is: (and (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (= ~used_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2021-10-21 19:05:38,023 INFO L857 garLoopResultBuilder]: For program point L87(lines 87 90) no Hoare annotation was computed. [2021-10-21 19:05:38,023 INFO L857 garLoopResultBuilder]: For program point L50(lines 50 53) no Hoare annotation was computed. [2021-10-21 19:05:38,024 INFO L857 garLoopResultBuilder]: For program point L50-1(lines 50 53) no Hoare annotation was computed. [2021-10-21 19:05:38,025 INFO L857 garLoopResultBuilder]: For program point L79(lines 79 82) no Hoare annotation was computed. [2021-10-21 19:05:38,025 INFO L857 garLoopResultBuilder]: For program point L137(lines 137 138) no Hoare annotation was computed. [2021-10-21 19:05:38,025 INFO L857 garLoopResultBuilder]: For program point L121(lines 121 122) no Hoare annotation was computed. [2021-10-21 19:05:38,029 INFO L857 garLoopResultBuilder]: For program point L117(lines 117 118) no Hoare annotation was computed. [2021-10-21 19:05:38,030 INFO L857 garLoopResultBuilder]: For program point L51(lines 51 52) no Hoare annotation was computed. [2021-10-21 19:05:38,031 INFO L857 garLoopResultBuilder]: For program point L51-2(lines 51 52) no Hoare annotation was computed. [2021-10-21 19:05:38,031 INFO L857 garLoopResultBuilder]: For program point L138(line 138) no Hoare annotation was computed. [2021-10-21 19:05:38,035 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:05:38,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:05:38 BoogieIcfgContainer [2021-10-21 19:05:38,057 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:05:38,058 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:05:38,058 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:05:38,058 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:05:38,059 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:05:36" (3/4) ... [2021-10-21 19:05:38,062 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:05:38,083 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-10-21 19:05:38,084 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-21 19:05:38,085 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:05:38,086 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:05:38,110 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\result == 0) && !(calloc(1, size) == 0) [2021-10-21 19:05:38,111 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && !(\result == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) [2021-10-21 19:05:38,111 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && !(\result == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) [2021-10-21 19:05:38,112 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(hp_slot_ptr == 0) && !(\result == 0)) && !(calloc(1, size) == 0) [2021-10-21 19:05:38,112 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && !(\result == 0)) && !(calloc(1, size) == 0) [2021-10-21 19:05:38,112 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && !(\result == 0)) && !(\result == 0)) && !(calloc(1, size) == 0) [2021-10-21 19:05:38,113 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && !(\result == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) [2021-10-21 19:05:38,113 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && !(\result == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) [2021-10-21 19:05:38,114 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && !(\result == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) [2021-10-21 19:05:38,135 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4089843c-bb25-4184-bb1a-0bee1824b48e/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:05:38,135 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:05:38,137 INFO L168 Benchmark]: Toolchain (without parser) took 2249.13 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 65.8 MB in the beginning and 67.3 MB in the end (delta: -1.5 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:05:38,137 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 88.1 MB. Free memory is still 63.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:05:38,138 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.19 ms. Allocated memory is still 88.1 MB. Free memory was 65.6 MB in the beginning and 61.9 MB in the end (delta: 3.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:05:38,138 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.69 ms. Allocated memory is still 88.1 MB. Free memory was 61.9 MB in the beginning and 60.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:05:38,139 INFO L168 Benchmark]: Boogie Preprocessor took 28.68 ms. Allocated memory is still 88.1 MB. Free memory was 60.0 MB in the beginning and 58.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:05:38,139 INFO L168 Benchmark]: RCFGBuilder took 509.22 ms. Allocated memory is still 88.1 MB. Free memory was 58.4 MB in the beginning and 44.4 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:05:38,140 INFO L168 Benchmark]: TraceAbstraction took 1292.09 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 44.0 MB in the beginning and 71.5 MB in the end (delta: -27.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:05:38,140 INFO L168 Benchmark]: Witness Printer took 77.36 ms. Allocated memory is still 107.0 MB. Free memory was 71.5 MB in the beginning and 67.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:05:38,143 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 88.1 MB. Free memory is still 63.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 293.19 ms. Allocated memory is still 88.1 MB. Free memory was 65.6 MB in the beginning and 61.9 MB in the end (delta: 3.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.69 ms. Allocated memory is still 88.1 MB. Free memory was 61.9 MB in the beginning and 60.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.68 ms. Allocated memory is still 88.1 MB. Free memory was 60.0 MB in the beginning and 58.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 509.22 ms. Allocated memory is still 88.1 MB. Free memory was 58.4 MB in the beginning and 44.4 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1292.09 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 44.0 MB in the beginning and 71.5 MB in the end (delta: -27.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 77.36 ms. Allocated memory is still 107.0 MB. Free memory was 71.5 MB in the beginning and 67.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 8]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1183.1ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 13.0ms, AutomataDifference: 270.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 130.5ms, InitialAbstractionConstructionTime: 10.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 79 SDtfs, 185 SDslu, 36 SDs, 0 SdLazy, 61 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 96.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 112.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 45.6ms AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 12 NumberOfFragments, 160 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 50.0ms HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 67.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 29.1ms SsaConstructionTime, 161.0ms SatisfiabilityAnalysisTime, 333.1ms InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 61 ConstructedInterpolants, 0 QuantifiedInterpolants, 103 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: ((!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && !(\result == 0)) && !(calloc(1, size) == 0) - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: (!(hp_slot_ptr == 0) && !(\result == 0)) && !(calloc(1, size) == 0) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && !(\result == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && !(\result == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: (((!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && !(\result == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: (((!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && !(\result == 0)) && !(\result == 0)) && !(calloc(1, size) == 0) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && !(\result == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: !(\result == 0) && !(calloc(1, size) == 0) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && !(\result == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) RESULT: Ultimate proved your program to be correct! [2021-10-21 19:05:38,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4089843c-bb25-4184-bb1a-0bee1824b48e/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...