./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/sina5f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923eea70-69a5-48f3-8acf-b375732259ef/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923eea70-69a5-48f3-8acf-b375732259ef/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923eea70-69a5-48f3-8acf-b375732259ef/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923eea70-69a5-48f3-8acf-b375732259ef/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/sina5f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923eea70-69a5-48f3-8acf-b375732259ef/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923eea70-69a5-48f3-8acf-b375732259ef/bin/uautomizer-QkZJyEgLgS --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 b73b0414d99f7fa4a7417f652fd7ea5389e7020bd4f2da0d09463462303a81ea --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 02:30:53,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:30:53,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:30:53,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:30:53,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:30:53,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:30:53,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:30:53,517 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:30:53,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:30:53,520 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:30:53,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:30:53,522 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:30:53,522 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:30:53,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:30:53,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:30:53,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:30:53,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:30:53,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:30:53,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:30:53,531 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:30:53,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:30:53,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:30:53,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:30:53,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:30:53,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:30:53,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:30:53,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:30:53,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:30:53,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:30:53,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:30:53,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:30:53,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:30:53,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:30:53,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:30:53,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:30:53,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:30:53,549 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:30:53,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:30:53,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:30:53,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:30:53,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:30:53,564 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923eea70-69a5-48f3-8acf-b375732259ef/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-23 02:30:53,601 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:30:53,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:30:53,608 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:30:53,609 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:30:53,610 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 02:30:53,610 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 02:30:53,610 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:30:53,611 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:30:53,611 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:30:53,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:30:53,612 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 02:30:53,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 02:30:53,613 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 02:30:53,613 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:30:53,613 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 02:30:53,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 02:30:53,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 02:30:53,614 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 02:30:53,614 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:30:53,615 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:30:53,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 02:30:53,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:30:53,615 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:30:53,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 02:30:53,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:30:53,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:30:53,616 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 02:30:53,616 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 02:30:53,617 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 02:30:53,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 02:30:53,617 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 02:30:53,617 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 02:30:53,618 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 02:30:53,618 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 02:30:53,618 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923eea70-69a5-48f3-8acf-b375732259ef/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923eea70-69a5-48f3-8acf-b375732259ef/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b73b0414d99f7fa4a7417f652fd7ea5389e7020bd4f2da0d09463462303a81ea [2022-11-23 02:30:53,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:30:53,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:30:53,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:30:53,925 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:30:53,926 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:30:53,927 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923eea70-69a5-48f3-8acf-b375732259ef/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/array-fpi/sina5f.c [2022-11-23 02:30:57,211 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:30:57,447 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:30:57,448 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923eea70-69a5-48f3-8acf-b375732259ef/sv-benchmarks/c/array-fpi/sina5f.c [2022-11-23 02:30:57,454 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923eea70-69a5-48f3-8acf-b375732259ef/bin/uautomizer-QkZJyEgLgS/data/875154516/77e7ae38845c49bcb301fc3c3ea52346/FLAG754cbe444 [2022-11-23 02:30:57,471 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923eea70-69a5-48f3-8acf-b375732259ef/bin/uautomizer-QkZJyEgLgS/data/875154516/77e7ae38845c49bcb301fc3c3ea52346 [2022-11-23 02:30:57,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:30:57,476 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:30:57,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:30:57,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:30:57,483 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:30:57,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:30:57" (1/1) ... [2022-11-23 02:30:57,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a223f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:57, skipping insertion in model container [2022-11-23 02:30:57,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:30:57" (1/1) ... [2022-11-23 02:30:57,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:30:57,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:30:57,733 WARN L237 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_923eea70-69a5-48f3-8acf-b375732259ef/sv-benchmarks/c/array-fpi/sina5f.c[589,602] [2022-11-23 02:30:57,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:30:57,775 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:30:57,794 WARN L237 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_923eea70-69a5-48f3-8acf-b375732259ef/sv-benchmarks/c/array-fpi/sina5f.c[589,602] [2022-11-23 02:30:57,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:30:57,835 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:30:57,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:57 WrapperNode [2022-11-23 02:30:57,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:30:57,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:30:57,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:30:57,837 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:30:57,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:57" (1/1) ... [2022-11-23 02:30:57,853 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:57" (1/1) ... [2022-11-23 02:30:57,877 INFO L138 Inliner]: procedures = 17, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2022-11-23 02:30:57,878 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:30:57,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:30:57,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:30:57,879 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:30:57,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:57" (1/1) ... [2022-11-23 02:30:57,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:57" (1/1) ... [2022-11-23 02:30:57,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:57" (1/1) ... [2022-11-23 02:30:57,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:57" (1/1) ... [2022-11-23 02:30:57,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:57" (1/1) ... [2022-11-23 02:30:57,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:57" (1/1) ... [2022-11-23 02:30:57,902 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:57" (1/1) ... [2022-11-23 02:30:57,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:57" (1/1) ... [2022-11-23 02:30:57,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:30:57,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:30:57,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:30:57,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:30:57,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:57" (1/1) ... [2022-11-23 02:30:57,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:30:57,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923eea70-69a5-48f3-8acf-b375732259ef/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:30:57,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923eea70-69a5-48f3-8acf-b375732259ef/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 02:30:57,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923eea70-69a5-48f3-8acf-b375732259ef/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 02:30:57,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 02:30:57,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 02:30:57,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 02:30:57,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 02:30:57,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 02:30:57,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:30:57,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:30:57,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 02:30:57,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 02:30:58,071 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:30:58,073 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:30:58,269 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:30:58,277 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:30:58,277 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-23 02:30:58,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:30:58 BoogieIcfgContainer [2022-11-23 02:30:58,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:30:58,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 02:30:58,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 02:30:58,286 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 02:30:58,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:30:57" (1/3) ... [2022-11-23 02:30:58,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a19472 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:30:58, skipping insertion in model container [2022-11-23 02:30:58,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:57" (2/3) ... [2022-11-23 02:30:58,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a19472 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:30:58, skipping insertion in model container [2022-11-23 02:30:58,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:30:58" (3/3) ... [2022-11-23 02:30:58,289 INFO L112 eAbstractionObserver]: Analyzing ICFG sina5f.c [2022-11-23 02:30:58,322 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 02:30:58,322 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 02:30:58,381 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 02:30:58,389 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6f9b11c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 02:30:58,390 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 02:30:58,395 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 29 states have internal predecessors, (44), 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) [2022-11-23 02:30:58,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-23 02:30:58,403 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:30:58,404 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:30:58,404 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:30:58,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:30:58,411 INFO L85 PathProgramCache]: Analyzing trace with hash -635308358, now seen corresponding path program 1 times [2022-11-23 02:30:58,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:30:58,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135391750] [2022-11-23 02:30:58,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:30:58,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:30:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:30:58,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:30:58,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:30:58,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135391750] [2022-11-23 02:30:58,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135391750] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:30:58,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:30:58,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 02:30:58,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639165285] [2022-11-23 02:30:58,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:30:58,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 02:30:58,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:30:58,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 02:30:58,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 02:30:58,720 INFO L87 Difference]: Start difference. First operand has 30 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 29 states have internal predecessors, (44), 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 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2022-11-23 02:30:58,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:30:58,766 INFO L93 Difference]: Finished difference Result 56 states and 82 transitions. [2022-11-23 02:30:58,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 02:30:58,769 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2022-11-23 02:30:58,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:30:58,791 INFO L225 Difference]: With dead ends: 56 [2022-11-23 02:30:58,792 INFO L226 Difference]: Without dead ends: 26 [2022-11-23 02:30:58,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 02:30:58,801 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:30:58,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:30:58,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-23 02:30:58,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-11-23 02:30:58,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:30:58,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2022-11-23 02:30:58,851 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 18 [2022-11-23 02:30:58,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:30:58,852 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2022-11-23 02:30:58,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2022-11-23 02:30:58,853 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-11-23 02:30:58,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-23 02:30:58,854 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:30:58,854 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:30:58,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 02:30:58,855 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:30:58,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:30:58,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1344199344, now seen corresponding path program 1 times [2022-11-23 02:30:58,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:30:58,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612723346] [2022-11-23 02:30:58,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:30:58,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:30:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:30:59,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:30:59,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:30:59,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612723346] [2022-11-23 02:30:59,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612723346] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:30:59,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:30:59,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 02:30:59,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056882423] [2022-11-23 02:30:59,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:30:59,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 02:30:59,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:30:59,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 02:30:59,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 02:30:59,190 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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) [2022-11-23 02:30:59,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:30:59,336 INFO L93 Difference]: Finished difference Result 61 states and 75 transitions. [2022-11-23 02:30:59,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 02:30:59,337 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 18 [2022-11-23 02:30:59,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:30:59,338 INFO L225 Difference]: With dead ends: 61 [2022-11-23 02:30:59,339 INFO L226 Difference]: Without dead ends: 42 [2022-11-23 02:30:59,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 02:30:59,341 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 53 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 02:30:59,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 18 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 02:30:59,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-23 02:30:59,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 31. [2022-11-23 02:30:59,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.2) internal successors, (36), 30 states have internal predecessors, (36), 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) [2022-11-23 02:30:59,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2022-11-23 02:30:59,351 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 36 transitions. Word has length 18 [2022-11-23 02:30:59,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:30:59,352 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 36 transitions. [2022-11-23 02:30:59,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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) [2022-11-23 02:30:59,352 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2022-11-23 02:30:59,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-23 02:30:59,353 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:30:59,354 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1] [2022-11-23 02:30:59,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 02:30:59,355 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:30:59,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:30:59,356 INFO L85 PathProgramCache]: Analyzing trace with hash -933126362, now seen corresponding path program 1 times [2022-11-23 02:30:59,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:30:59,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452006537] [2022-11-23 02:30:59,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:30:59,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:30:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:30:59,536 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:30:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:30:59,673 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:30:59,675 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 02:30:59,676 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 02:30:59,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 02:30:59,684 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-23 02:30:59,689 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 02:30:59,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:30:59 BoogieIcfgContainer [2022-11-23 02:30:59,745 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 02:30:59,746 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 02:30:59,746 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 02:30:59,746 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 02:30:59,747 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:30:58" (3/4) ... [2022-11-23 02:30:59,749 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-23 02:30:59,821 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923eea70-69a5-48f3-8acf-b375732259ef/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 02:30:59,822 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 02:30:59,823 INFO L158 Benchmark]: Toolchain (without parser) took 2346.22ms. Allocated memory was 146.8MB in the beginning and 209.7MB in the end (delta: 62.9MB). Free memory was 105.7MB in the beginning and 146.8MB in the end (delta: -41.1MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2022-11-23 02:30:59,823 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 146.8MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:30:59,824 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.04ms. Allocated memory is still 146.8MB. Free memory was 105.3MB in the beginning and 94.5MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-23 02:30:59,824 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.88ms. Allocated memory is still 146.8MB. Free memory was 94.5MB in the beginning and 92.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:30:59,825 INFO L158 Benchmark]: Boogie Preprocessor took 27.01ms. Allocated memory is still 146.8MB. Free memory was 92.7MB in the beginning and 91.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:30:59,826 INFO L158 Benchmark]: RCFGBuilder took 373.14ms. Allocated memory is still 146.8MB. Free memory was 91.4MB in the beginning and 78.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 02:30:59,826 INFO L158 Benchmark]: TraceAbstraction took 1463.48ms. Allocated memory was 146.8MB in the beginning and 209.7MB in the end (delta: 62.9MB). Free memory was 77.7MB in the beginning and 149.9MB in the end (delta: -72.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:30:59,827 INFO L158 Benchmark]: Witness Printer took 75.92ms. Allocated memory is still 209.7MB. Free memory was 149.9MB in the beginning and 146.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:30:59,830 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 146.8MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 358.04ms. Allocated memory is still 146.8MB. Free memory was 105.3MB in the beginning and 94.5MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.88ms. Allocated memory is still 146.8MB. Free memory was 94.5MB in the beginning and 92.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.01ms. Allocated memory is still 146.8MB. Free memory was 92.7MB in the beginning and 91.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 373.14ms. Allocated memory is still 146.8MB. Free memory was 91.4MB in the beginning and 78.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1463.48ms. Allocated memory was 146.8MB in the beginning and 209.7MB in the end (delta: 62.9MB). Free memory was 77.7MB in the beginning and 149.9MB in the end (delta: -72.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 75.92ms. Allocated memory is still 209.7MB. Free memory was 149.9MB in the beginning and 146.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 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) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) VAL [cond=1, N=1, unknown-#in~cond-unknown=1] [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] long long *a = malloc(sizeof(long long)*N); [L30] long long *b = malloc(sizeof(long long)*N); [L32] sum[0] = 0 [L33] i=0 VAL [a={-1:0}, b={4:0}, i=0, N=1, sum={6:0}] [L33] COND TRUE i