./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/indp3f.c --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_712dbcce-7ed7-4141-897d-7c3bd957d078/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_712dbcce-7ed7-4141-897d-7c3bd957d078/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_712dbcce-7ed7-4141-897d-7c3bd957d078/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_712dbcce-7ed7-4141-897d-7c3bd957d078/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/indp3f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_712dbcce-7ed7-4141-897d-7c3bd957d078/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_712dbcce-7ed7-4141-897d-7c3bd957d078/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 e65fcf75bc449caf1adc12b98cf1df32d7807702ccc9a83118e61ee3faf8aa64 .................................................................................................................................................................................................................................................................................................................................................................................... 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-e943c26 [2021-10-21 20:12:04,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:12:04,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:12:04,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:12:04,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:12:04,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:12:04,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:12:04,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:12:04,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:12:04,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:12:04,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:12:04,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:12:04,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:12:04,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:12:04,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:12:04,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:12:04,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:12:04,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:12:04,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:12:04,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:12:04,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:12:04,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:12:04,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:12:04,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:12:04,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:12:04,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:12:04,468 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:12:04,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:12:04,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:12:04,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:12:04,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:12:04,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:12:04,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:12:04,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:12:04,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:12:04,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:12:04,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:12:04,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:12:04,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:12:04,484 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:12:04,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:12:04,486 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_712dbcce-7ed7-4141-897d-7c3bd957d078/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 20:12:04,540 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:12:04,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:12:04,541 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:12:04,542 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:12:04,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:12:04,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:12:04,544 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:12:04,545 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:12:04,545 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:12:04,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:12:04,546 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:12:04,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:12:04,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:12:04,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:12:04,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:12:04,548 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:12:04,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:12:04,548 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:12:04,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:12:04,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:12:04,549 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:12:04,549 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:12:04,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:12:04,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:12:04,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:12:04,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:12:04,550 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:12:04,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:12:04,551 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:12:04,553 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:12:04,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:12:04,554 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:12:04,554 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_712dbcce-7ed7-4141-897d-7c3bd957d078/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_712dbcce-7ed7-4141-897d-7c3bd957d078/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e65fcf75bc449caf1adc12b98cf1df32d7807702ccc9a83118e61ee3faf8aa64 [2021-10-21 20:12:04,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:12:04,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:12:04,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:12:04,862 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:12:04,863 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:12:04,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_712dbcce-7ed7-4141-897d-7c3bd957d078/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/array-fpi/indp3f.c [2021-10-21 20:12:04,980 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_712dbcce-7ed7-4141-897d-7c3bd957d078/bin/uautomizer-j4sWxH34Be/data/e1370fc27/20820f8515904c2dbdb3e35f12e6665c/FLAG7f764a466 [2021-10-21 20:12:05,519 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:12:05,520 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_712dbcce-7ed7-4141-897d-7c3bd957d078/sv-benchmarks/c/array-fpi/indp3f.c [2021-10-21 20:12:05,532 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_712dbcce-7ed7-4141-897d-7c3bd957d078/bin/uautomizer-j4sWxH34Be/data/e1370fc27/20820f8515904c2dbdb3e35f12e6665c/FLAG7f764a466 [2021-10-21 20:12:05,854 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_712dbcce-7ed7-4141-897d-7c3bd957d078/bin/uautomizer-j4sWxH34Be/data/e1370fc27/20820f8515904c2dbdb3e35f12e6665c [2021-10-21 20:12:05,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:12:05,858 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:12:05,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:12:05,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:12:05,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:12:05,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:12:05" (1/1) ... [2021-10-21 20:12:05,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@406411ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:12:05, skipping insertion in model container [2021-10-21 20:12:05,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:12:05" (1/1) ... [2021-10-21 20:12:05,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:12:05,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:12:06,093 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_712dbcce-7ed7-4141-897d-7c3bd957d078/sv-benchmarks/c/array-fpi/indp3f.c[589,602] [2021-10-21 20:12:06,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:12:06,119 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:12:06,130 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_712dbcce-7ed7-4141-897d-7c3bd957d078/sv-benchmarks/c/array-fpi/indp3f.c[589,602] [2021-10-21 20:12:06,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:12:06,153 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:12:06,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:12:06 WrapperNode [2021-10-21 20:12:06,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:12:06,156 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:12:06,156 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:12:06,156 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:12:06,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:12:06" (1/1) ... [2021-10-21 20:12:06,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:12:06" (1/1) ... [2021-10-21 20:12:06,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:12:06,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:12:06,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:12:06,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:12:06,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:12:06" (1/1) ... [2021-10-21 20:12:06,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:12:06" (1/1) ... [2021-10-21 20:12:06,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:12:06" (1/1) ... [2021-10-21 20:12:06,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:12:06" (1/1) ... [2021-10-21 20:12:06,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:12:06" (1/1) ... [2021-10-21 20:12:06,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:12:06" (1/1) ... [2021-10-21 20:12:06,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:12:06" (1/1) ... [2021-10-21 20:12:06,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:12:06,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:12:06,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:12:06,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:12:06,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:12:06" (1/1) ... [2021-10-21 20:12:06,238 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:12:06,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_712dbcce-7ed7-4141-897d-7c3bd957d078/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:12:06,263 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_712dbcce-7ed7-4141-897d-7c3bd957d078/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:12:06,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_712dbcce-7ed7-4141-897d-7c3bd957d078/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:12:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:12:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:12:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 20:12:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-21 20:12:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:12:06,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:12:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 20:12:06,662 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:12:06,662 INFO L299 CfgBuilder]: Removed 13 assume(true) statements. [2021-10-21 20:12:06,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:12:06 BoogieIcfgContainer [2021-10-21 20:12:06,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:12:06,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:12:06,674 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:12:06,686 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:12:06,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:12:05" (1/3) ... [2021-10-21 20:12:06,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b21c7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:12:06, skipping insertion in model container [2021-10-21 20:12:06,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:12:06" (2/3) ... [2021-10-21 20:12:06,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b21c7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:12:06, skipping insertion in model container [2021-10-21 20:12:06,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:12:06" (3/3) ... [2021-10-21 20:12:06,690 INFO L111 eAbstractionObserver]: Analyzing ICFG indp3f.c [2021-10-21 20:12:06,710 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:12:06,710 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 20:12:06,768 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:12:06,775 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 20:12:06,776 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 20:12:06,792 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 25 states have (on average 1.56) internal successors, (39), 26 states have internal predecessors, (39), 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 20:12:06,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-21 20:12:06,799 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:12:06,800 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:12:06,800 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:12:06,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:12:06,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1389277550, now seen corresponding path program 1 times [2021-10-21 20:12:06,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:12:06,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832449935] [2021-10-21 20:12:06,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:12:06,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:12:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:12:07,086 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 20:12:07,087 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:12:07,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832449935] [2021-10-21 20:12:07,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832449935] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:12:07,091 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:12:07,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:12:07,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983401801] [2021-10-21 20:12:07,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 20:12:07,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:12:07,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 20:12:07,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 20:12:07,128 INFO L87 Difference]: Start difference. First operand has 27 states, 25 states have (on average 1.56) internal successors, (39), 26 states have internal predecessors, (39), 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 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 20:12:07,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:12:07,143 INFO L93 Difference]: Finished difference Result 50 states and 72 transitions. [2021-10-21 20:12:07,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 20:12:07,144 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2021-10-21 20:12:07,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:12:07,152 INFO L225 Difference]: With dead ends: 50 [2021-10-21 20:12:07,153 INFO L226 Difference]: Without dead ends: 23 [2021-10-21 20:12:07,155 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 20:12:07,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-10-21 20:12:07,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2021-10-21 20:12:07,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 22 states have internal predecessors, (27), 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 20:12:07,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2021-10-21 20:12:07,188 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 16 [2021-10-21 20:12:07,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:12:07,188 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2021-10-21 20:12:07,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 20:12:07,189 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2021-10-21 20:12:07,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-21 20:12:07,190 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:12:07,190 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:12:07,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 20:12:07,191 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:12:07,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:12:07,192 INFO L82 PathProgramCache]: Analyzing trace with hash 796930410, now seen corresponding path program 1 times [2021-10-21 20:12:07,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:12:07,193 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94208291] [2021-10-21 20:12:07,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:12:07,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:12:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:12:07,273 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 20:12:07,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:12:07,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94208291] [2021-10-21 20:12:07,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94208291] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:12:07,274 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:12:07,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:12:07,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869820808] [2021-10-21 20:12:07,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:12:07,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:12:07,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:12:07,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:12:07,277 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 20:12:07,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:12:07,364 INFO L93 Difference]: Finished difference Result 53 states and 64 transitions. [2021-10-21 20:12:07,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:12:07,364 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 16 [2021-10-21 20:12:07,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:12:07,366 INFO L225 Difference]: With dead ends: 53 [2021-10-21 20:12:07,366 INFO L226 Difference]: Without dead ends: 37 [2021-10-21 20:12:07,367 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:12:07,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-10-21 20:12:07,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 27. [2021-10-21 20:12:07,374 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 20:12:07,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2021-10-21 20:12:07,375 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 16 [2021-10-21 20:12:07,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:12:07,376 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2021-10-21 20:12:07,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 20:12:07,376 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2021-10-21 20:12:07,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-21 20:12:07,377 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:12:07,378 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, 1, 1] [2021-10-21 20:12:07,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 20:12:07,378 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:12:07,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:12:07,379 INFO L82 PathProgramCache]: Analyzing trace with hash 495241442, now seen corresponding path program 1 times [2021-10-21 20:12:07,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:12:07,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910916622] [2021-10-21 20:12:07,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:12:07,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:12:07,407 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 20:12:07,408 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1810357211] [2021-10-21 20:12:07,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:12:07,408 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:12:07,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_712dbcce-7ed7-4141-897d-7c3bd957d078/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:12:07,415 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_712dbcce-7ed7-4141-897d-7c3bd957d078/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:12:07,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_712dbcce-7ed7-4141-897d-7c3bd957d078/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 20:12:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:12:07,540 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:12:07,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:12:07,619 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:12:07,619 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 20:12:07,620 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:12:07,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_712dbcce-7ed7-4141-897d-7c3bd957d078/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:12:07,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_712dbcce-7ed7-4141-897d-7c3bd957d078/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:12:07,841 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:12:07,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:12:07 BoogieIcfgContainer [2021-10-21 20:12:07,881 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:12:07,882 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:12:07,882 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:12:07,882 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:12:07,882 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:12:06" (3/4) ... [2021-10-21 20:12:07,886 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-21 20:12:07,961 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_712dbcce-7ed7-4141-897d-7c3bd957d078/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 20:12:07,961 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:12:07,963 INFO L168 Benchmark]: Toolchain (without parser) took 2103.75 ms. Allocated memory is still 107.0 MB. Free memory was 77.5 MB in the beginning and 58.2 MB in the end (delta: 19.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:12:07,964 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 81.8 MB. Free memory was 38.2 MB in the beginning and 38.1 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:12:07,965 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.46 ms. Allocated memory is still 107.0 MB. Free memory was 77.2 MB in the beginning and 83.0 MB in the end (delta: -5.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:12:07,966 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.24 ms. Allocated memory is still 107.0 MB. Free memory was 83.0 MB in the beginning and 81.3 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:12:07,966 INFO L168 Benchmark]: Boogie Preprocessor took 29.77 ms. Allocated memory is still 107.0 MB. Free memory was 81.3 MB in the beginning and 80.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:12:07,967 INFO L168 Benchmark]: RCFGBuilder took 444.69 ms. Allocated memory is still 107.0 MB. Free memory was 80.2 MB in the beginning and 69.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:12:07,978 INFO L168 Benchmark]: TraceAbstraction took 1207.05 ms. Allocated memory is still 107.0 MB. Free memory was 68.9 MB in the beginning and 61.4 MB in the end (delta: 7.5 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:12:07,979 INFO L168 Benchmark]: Witness Printer took 79.81 ms. Allocated memory is still 107.0 MB. Free memory was 60.9 MB in the beginning and 58.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:12:07,982 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 81.8 MB. Free memory was 38.2 MB in the beginning and 38.1 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 290.46 ms. Allocated memory is still 107.0 MB. Free memory was 77.2 MB in the beginning and 83.0 MB in the end (delta: -5.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.24 ms. Allocated memory is still 107.0 MB. Free memory was 83.0 MB in the beginning and 81.3 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.77 ms. Allocated memory is still 107.0 MB. Free memory was 81.3 MB in the beginning and 80.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 444.69 ms. Allocated memory is still 107.0 MB. Free memory was 80.2 MB in the beginning and 69.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1207.05 ms. Allocated memory is still 107.0 MB. Free memory was 68.9 MB in the beginning and 61.4 MB in the end (delta: 7.5 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. * Witness Printer took 79.81 ms. Allocated memory is still 107.0 MB. Free memory was 60.9 MB in the beginning and 58.2 MB in the end (delta: 2.6 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; VAL [N=0] [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L13] COND FALSE !(!cond) VAL [N=1] [L27] int i; [L28] long long *a = malloc(sizeof(long long)*N); [L30] i=0 VAL [N=1] [L30] COND TRUE i