./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/condaf.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cd03-0528-4210-8f58-b01d4e29ff69/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cd03-0528-4210-8f58-b01d4e29ff69/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cd03-0528-4210-8f58-b01d4e29ff69/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cd03-0528-4210-8f58-b01d4e29ff69/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/condaf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cd03-0528-4210-8f58-b01d4e29ff69/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cd03-0528-4210-8f58-b01d4e29ff69/bin/utaipan-mTDlp9Zugs --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3299ed11d0a8beab5e242433520cd1a21cc68363 ....................................................................................................................................................................................................................................................................................................................................................................... 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-5709675 [2021-10-16 02:40:55,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:40:55,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:40:55,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:40:55,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:40:55,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:40:55,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:40:55,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:40:55,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:40:55,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:40:55,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:40:55,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:40:55,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:40:55,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:40:55,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:40:55,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:40:55,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:40:55,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:40:55,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:40:55,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:40:55,468 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:40:55,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:40:55,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:40:55,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:40:55,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:40:55,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:40:55,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:40:55,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:40:55,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:40:55,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:40:55,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:40:55,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:40:55,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:40:55,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:40:55,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:40:55,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:40:55,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:40:55,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:40:55,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:40:55,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:40:55,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:40:55,496 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cd03-0528-4210-8f58-b01d4e29ff69/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:40:55,536 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:40:55,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:40:55,538 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:40:55,538 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:40:55,538 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:40:55,539 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:40:55,539 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:40:55,539 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:40:55,539 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:40:55,540 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:40:55,540 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:40:55,540 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:40:55,540 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:40:55,541 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:40:55,541 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:40:55,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:40:55,542 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:40:55,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:40:55,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:40:55,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:40:55,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:40:55,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:40:55,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:40:55,544 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:40:55,549 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:40:55,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:40:55,550 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:40:55,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:40:55,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:40:55,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:40:55,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:40:55,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:40:55,555 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:40:55,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:40:55,555 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:40:55,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:40:55,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:40:55,557 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:40:55,558 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:40:55,558 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_7b84cd03-0528-4210-8f58-b01d4e29ff69/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cd03-0528-4210-8f58-b01d4e29ff69/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3299ed11d0a8beab5e242433520cd1a21cc68363 [2021-10-16 02:40:55,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:40:55,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:40:55,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:40:56,000 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:40:56,001 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:40:56,002 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cd03-0528-4210-8f58-b01d4e29ff69/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/array-fpi/condaf.c [2021-10-16 02:40:56,123 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cd03-0528-4210-8f58-b01d4e29ff69/bin/utaipan-mTDlp9Zugs/data/3458de62b/7a355542c58d49ac8b8b2ba92ac7b254/FLAGbb1b3bb22 [2021-10-16 02:40:56,672 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:40:56,673 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cd03-0528-4210-8f58-b01d4e29ff69/sv-benchmarks/c/array-fpi/condaf.c [2021-10-16 02:40:56,681 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cd03-0528-4210-8f58-b01d4e29ff69/bin/utaipan-mTDlp9Zugs/data/3458de62b/7a355542c58d49ac8b8b2ba92ac7b254/FLAGbb1b3bb22 [2021-10-16 02:40:57,024 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cd03-0528-4210-8f58-b01d4e29ff69/bin/utaipan-mTDlp9Zugs/data/3458de62b/7a355542c58d49ac8b8b2ba92ac7b254 [2021-10-16 02:40:57,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:40:57,032 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:40:57,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:40:57,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:40:57,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:40:57,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:40:57" (1/1) ... [2021-10-16 02:40:57,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57b41964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:40:57, skipping insertion in model container [2021-10-16 02:40:57,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:40:57" (1/1) ... [2021-10-16 02:40:57,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:40:57,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:40:57,309 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_7b84cd03-0528-4210-8f58-b01d4e29ff69/sv-benchmarks/c/array-fpi/condaf.c[589,602] [2021-10-16 02:40:57,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:40:57,355 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:40:57,381 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_7b84cd03-0528-4210-8f58-b01d4e29ff69/sv-benchmarks/c/array-fpi/condaf.c[589,602] [2021-10-16 02:40:57,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:40:57,430 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:40:57,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:40:57 WrapperNode [2021-10-16 02:40:57,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:40:57,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:40:57,433 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:40:57,433 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:40:57,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:40:57" (1/1) ... [2021-10-16 02:40:57,452 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:40:57" (1/1) ... [2021-10-16 02:40:57,477 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:40:57,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:40:57,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:40:57,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:40:57,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:40:57" (1/1) ... [2021-10-16 02:40:57,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:40:57" (1/1) ... [2021-10-16 02:40:57,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:40:57" (1/1) ... [2021-10-16 02:40:57,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:40:57" (1/1) ... [2021-10-16 02:40:57,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:40:57" (1/1) ... [2021-10-16 02:40:57,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:40:57" (1/1) ... [2021-10-16 02:40:57,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:40:57" (1/1) ... [2021-10-16 02:40:57,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:40:57,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:40:57,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:40:57,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:40:57,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:40:57" (1/1) ... [2021-10-16 02:40:57,531 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:40:57,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cd03-0528-4210-8f58-b01d4e29ff69/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:40:57,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cd03-0528-4210-8f58-b01d4e29ff69/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:40:57,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cd03-0528-4210-8f58-b01d4e29ff69/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:40:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 02:40:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:40:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 02:40:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-16 02:40:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:40:57,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:40:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 02:40:57,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 02:40:58,101 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:40:58,110 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-10-16 02:40:58,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:40:58 BoogieIcfgContainer [2021-10-16 02:40:58,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:40:58,116 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:40:58,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:40:58,135 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:40:58,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:40:57" (1/3) ... [2021-10-16 02:40:58,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72719fd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:40:58, skipping insertion in model container [2021-10-16 02:40:58,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:40:57" (2/3) ... [2021-10-16 02:40:58,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72719fd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:40:58, skipping insertion in model container [2021-10-16 02:40:58,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:40:58" (3/3) ... [2021-10-16 02:40:58,139 INFO L111 eAbstractionObserver]: Analyzing ICFG condaf.c [2021-10-16 02:40:58,148 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:40:58,148 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:40:58,214 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:40:58,223 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-10-16 02:40:58,223 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:40:58,241 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 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) [2021-10-16 02:40:58,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-16 02:40:58,246 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:40:58,246 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:40:58,247 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:40:58,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:40:58,254 INFO L82 PathProgramCache]: Analyzing trace with hash -535561234, now seen corresponding path program 1 times [2021-10-16 02:40:58,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:40:58,267 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227559793] [2021-10-16 02:40:58,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:40:58,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:40:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:40:58,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:40:58,503 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:40:58,503 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227559793] [2021-10-16 02:40:58,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227559793] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:40:58,504 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:40:58,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 02:40:58,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131257939] [2021-10-16 02:40:58,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:40:58,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:40:58,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:40:58,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:40:58,539 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 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 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2021-10-16 02:40:58,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:40:58,593 INFO L93 Difference]: Finished difference Result 20 states and 27 transitions. [2021-10-16 02:40:58,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:40:58,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2021-10-16 02:40:58,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:40:58,605 INFO L225 Difference]: With dead ends: 20 [2021-10-16 02:40:58,605 INFO L226 Difference]: Without dead ends: 9 [2021-10-16 02:40:58,608 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:40:58,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-10-16 02:40:58,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-10-16 02:40:58,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 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) [2021-10-16 02:40:58,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2021-10-16 02:40:58,643 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 11 transitions. Word has length 7 [2021-10-16 02:40:58,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:40:58,643 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-10-16 02:40:58,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2021-10-16 02:40:58,644 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-16 02:40:58,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-16 02:40:58,645 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:40:58,645 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:40:58,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 02:40:58,646 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:40:58,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:40:58,647 INFO L82 PathProgramCache]: Analyzing trace with hash 344823405, now seen corresponding path program 1 times [2021-10-16 02:40:58,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:40:58,647 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673392314] [2021-10-16 02:40:58,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:40:58,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:40:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:40:58,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-16 02:40:58,767 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:40:58,767 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673392314] [2021-10-16 02:40:58,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673392314] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:40:58,768 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:40:58,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-16 02:40:58,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912474415] [2021-10-16 02:40:58,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:40:58,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:40:58,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:40:58,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:40:58,773 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-10-16 02:40:58,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:40:58,808 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2021-10-16 02:40:58,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:40:58,809 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2021-10-16 02:40:58,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:40:58,810 INFO L225 Difference]: With dead ends: 15 [2021-10-16 02:40:58,811 INFO L226 Difference]: Without dead ends: 11 [2021-10-16 02:40:58,812 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:40:58,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-10-16 02:40:58,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-10-16 02:40:58,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 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) [2021-10-16 02:40:58,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2021-10-16 02:40:58,817 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 8 [2021-10-16 02:40:58,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:40:58,817 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2021-10-16 02:40:58,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-10-16 02:40:58,818 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2021-10-16 02:40:58,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-16 02:40:58,819 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:40:58,819 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:40:58,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 02:40:58,820 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:40:58,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:40:58,821 INFO L82 PathProgramCache]: Analyzing trace with hash 750922709, now seen corresponding path program 1 times [2021-10-16 02:40:58,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:40:58,822 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323374114] [2021-10-16 02:40:58,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:40:58,823 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:40:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:40:58,895 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 02:40:58,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:40:59,016 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-16 02:40:59,017 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-16 02:40:59,018 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:40:59,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 02:40:59,026 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:40:59,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:40:59 BoogieIcfgContainer [2021-10-16 02:40:59,073 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:40:59,074 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:40:59,074 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:40:59,075 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:40:59,075 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:40:58" (3/4) ... [2021-10-16 02:40:59,078 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-16 02:40:59,157 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b84cd03-0528-4210-8f58-b01d4e29ff69/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 02:40:59,158 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:40:59,168 INFO L168 Benchmark]: Toolchain (without parser) took 2135.03 ms. Allocated memory is still 123.7 MB. Free memory was 88.3 MB in the beginning and 45.6 MB in the end (delta: 42.7 MB). Peak memory consumption was 39.0 MB. Max. memory is 16.1 GB. [2021-10-16 02:40:59,169 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 86.0 MB. Free memory was 56.8 MB in the beginning and 56.8 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:40:59,170 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.03 ms. Allocated memory is still 123.7 MB. Free memory was 88.3 MB in the beginning and 99.6 MB in the end (delta: -11.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:40:59,174 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.25 ms. Allocated memory is still 123.7 MB. Free memory was 99.6 MB in the beginning and 98.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:40:59,175 INFO L168 Benchmark]: Boogie Preprocessor took 32.70 ms. Allocated memory is still 123.7 MB. Free memory was 98.1 MB in the beginning and 97.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:40:59,178 INFO L168 Benchmark]: RCFGBuilder took 602.35 ms. Allocated memory is still 123.7 MB. Free memory was 96.5 MB in the beginning and 81.3 MB in the end (delta: 15.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-16 02:40:59,179 INFO L168 Benchmark]: TraceAbstraction took 957.03 ms. Allocated memory is still 123.7 MB. Free memory was 80.8 MB in the beginning and 47.7 MB in the end (delta: 33.0 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:40:59,179 INFO L168 Benchmark]: Witness Printer took 91.81 ms. Allocated memory is still 123.7 MB. Free memory was 47.7 MB in the beginning and 45.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:40:59,185 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 86.0 MB. Free memory was 56.8 MB in the beginning and 56.8 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 392.03 ms. Allocated memory is still 123.7 MB. Free memory was 88.3 MB in the beginning and 99.6 MB in the end (delta: -11.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.25 ms. Allocated memory is still 123.7 MB. Free memory was 99.6 MB in the beginning and 98.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.70 ms. Allocated memory is still 123.7 MB. Free memory was 98.1 MB in the beginning and 97.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 602.35 ms. Allocated memory is still 123.7 MB. Free memory was 96.5 MB in the beginning and 81.3 MB in the end (delta: 15.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 957.03 ms. Allocated memory is still 123.7 MB. Free memory was 80.8 MB in the beginning and 47.7 MB in the end (delta: 33.0 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * Witness Printer took 91.81 ms. Allocated memory is still 123.7 MB. Free memory was 47.7 MB in the beginning and 45.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 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 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L13] COND FALSE !(!cond) [L27] int i; [L28] int sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] sum[0] = 0 [L32] i=0 VAL [N=1] [L32] COND TRUE i